From f8fe689a81f906d1b91bb3220acde2a4ecb14c5b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 05:01:46 +0200 Subject: Adding upstream version 6.0.4-dfsg. Signed-off-by: Daniel Baumann --- src/recompiler/tests/Makefile | 109 ++ src/recompiler/tests/hello-arm.c | 113 ++ src/recompiler/tests/hello-i386.c | 26 + src/recompiler/tests/linux-test.c | 545 ++++++ src/recompiler/tests/pi_10.com | Bin 0 -> 54 bytes src/recompiler/tests/qruncom.c | 284 ++++ src/recompiler/tests/runcom.c | 195 +++ src/recompiler/tests/sha1.c | 240 +++ src/recompiler/tests/test-i386-code16.S | 79 + src/recompiler/tests/test-i386-muldiv.h | 76 + src/recompiler/tests/test-i386-shift.h | 185 +++ src/recompiler/tests/test-i386-ssse3.c | 57 + src/recompiler/tests/test-i386-vm86.S | 103 ++ src/recompiler/tests/test-i386.c | 2769 +++++++++++++++++++++++++++++++ src/recompiler/tests/test-i386.h | 152 ++ src/recompiler/tests/test-mmap.c | 485 ++++++ src/recompiler/tests/test_path.c | 151 ++ src/recompiler/tests/testthread.c | 51 + 18 files changed, 5620 insertions(+) create mode 100644 src/recompiler/tests/Makefile create mode 100644 src/recompiler/tests/hello-arm.c create mode 100644 src/recompiler/tests/hello-i386.c create mode 100644 src/recompiler/tests/linux-test.c create mode 100644 src/recompiler/tests/pi_10.com create mode 100644 src/recompiler/tests/qruncom.c create mode 100644 src/recompiler/tests/runcom.c create mode 100644 src/recompiler/tests/sha1.c create mode 100644 src/recompiler/tests/test-i386-code16.S create mode 100644 src/recompiler/tests/test-i386-muldiv.h create mode 100644 src/recompiler/tests/test-i386-shift.h create mode 100644 src/recompiler/tests/test-i386-ssse3.c create mode 100644 src/recompiler/tests/test-i386-vm86.S create mode 100644 src/recompiler/tests/test-i386.c create mode 100644 src/recompiler/tests/test-i386.h create mode 100644 src/recompiler/tests/test-mmap.c create mode 100644 src/recompiler/tests/test_path.c create mode 100644 src/recompiler/tests/testthread.c (limited to 'src/recompiler/tests') diff --git a/src/recompiler/tests/Makefile b/src/recompiler/tests/Makefile new file mode 100644 index 00000000..ff7f787a --- /dev/null +++ b/src/recompiler/tests/Makefile @@ -0,0 +1,109 @@ +-include ../config-host.mak + +$(call set-vpath, $(SRC_PATH)/tests) + +CFLAGS=-Wall -O2 -g -fno-strict-aliasing +#CFLAGS+=-msse2 +LDFLAGS= + +ifeq ($(ARCH),i386) +TESTS=linux-test testthread sha1-i386 test-i386 +endif +ifeq ($(ARCH),x86_64) +TESTS=test-x86_64 +endif +TESTS+=sha1# test_path +#TESTS+=test_path +#TESTS+=runcom + +QEMU=../i386-linux-user/qemu-i386 + +all: $(TESTS) + +hello-i386: hello-i386.c + $(CC) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $< + strip $@ + +testthread: testthread.c + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -lpthread + +test_path: test_path.c + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< + ./$@ || { rm $@; exit 1; } + +# i386/x86_64 emulation test (test various opcodes) */ +test-i386: test-i386.c test-i386-code16.S test-i386-vm86.S \ + test-i386.h test-i386-shift.h test-i386-muldiv.h + $(CC) -m32 $(CFLAGS) $(LDFLAGS) -static -o $@ \ + $( test-i386.ref +else +test: +endif + $(QEMU) test-i386 > test-i386.out + @if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK"; fi + +.PHONY: test-mmap +test-mmap: test-mmap.c + $(CC) $(CFLAGS) -Wall -static -O2 $(LDFLAGS) -o $@ $< + -./test-mmap + -$(QEMU) ./test-mmap + -$(QEMU) -p 8192 ./test-mmap 8192 + -$(QEMU) -p 16384 ./test-mmap 16384 + -$(QEMU) -p 32768 ./test-mmap 32768 + +# generic Linux and CPU test +linux-test: linux-test.c + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -lm + +# speed test +sha1-i386: sha1.c + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< + +sha1: sha1.c + $(HOST_CC) $(CFLAGS) $(LDFLAGS) -o $@ $< + +speed: sha1 sha1-i386 + time ./sha1 + time $(QEMU) ./sha1-i386 + +# vm86 test +runcom: runcom.c + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< + +# NOTE: -fomit-frame-pointer is currently needed : this is a bug in libqemu +qruncom: qruncom.c ../ioport-user.c ../i386-user/libqemu.a + $(CC) $(CFLAGS) -fomit-frame-pointer $(LDFLAGS) -I../target-i386 -I.. -I../i386-user -I../fpu \ + -o $@ $(filter %.c, $^) -L../i386-user -lqemu -lm + +# arm test +hello-arm: hello-arm.o + arm-linux-ld -o $@ $< + +hello-arm.o: hello-arm.c + arm-linux-gcc -Wall -g -O2 -c -o $@ $< + +test-arm-iwmmxt: test-arm-iwmmxt.s + cpp < $< | arm-linux-gnu-gcc -Wall -static -march=iwmmxt -mabi=aapcs -x assembler - -o $@ + +# MIPS test +hello-mips: hello-mips.c + mips-linux-gnu-gcc -nostdlib -static -mno-abicalls -fno-PIC -mabi=32 -Wall -Wextra -g -O2 -o $@ $< + +hello-mipsel: hello-mips.c + mipsel-linux-gnu-gcc -nostdlib -static -mno-abicalls -fno-PIC -mabi=32 -Wall -Wextra -g -O2 -o $@ $< + +# testsuite for the CRIS port. +test-cris: + $(MAKE) -C cris check + +clean: + rm -f *~ *.o test-i386.out test-i386.ref \ + test-x86_64.log test-x86_64.ref qruncom $(TESTS) diff --git a/src/recompiler/tests/hello-arm.c b/src/recompiler/tests/hello-arm.c new file mode 100644 index 00000000..e0daa7ad --- /dev/null +++ b/src/recompiler/tests/hello-arm.c @@ -0,0 +1,113 @@ +#define __NR_SYSCALL_BASE 0x900000 +#define __NR_exit1 (__NR_SYSCALL_BASE+ 1) +#define __NR_write (__NR_SYSCALL_BASE+ 4) + +#define __sys2(x) #x +#define __sys1(x) __sys2(x) + +#ifndef __syscall +#define __syscall(name) "swi\t" __sys1(__NR_##name) "\n\t" +#endif + +#define __syscall_return(type, res) \ +do { \ + return (type) (res); \ +} while (0) + +#define _syscall0(type,name) \ +type name(void) { \ + long __res; \ + __asm__ __volatile__ ( \ + __syscall(name) \ + "mov %0,r0" \ + :"=r" (__res) : : "r0","lr"); \ + __syscall_return(type,__res); \ +} + +#define _syscall1(type,name,type1,arg1) \ +type name(type1 arg1) { \ + long __res; \ + __asm__ __volatile__ ( \ + "mov\tr0,%1\n\t" \ + __syscall(name) \ + "mov %0,r0" \ + : "=r" (__res) \ + : "r" ((long)(arg1)) \ + : "r0","lr"); \ + __syscall_return(type,__res); \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type name(type1 arg1,type2 arg2) { \ + long __res; \ + __asm__ __volatile__ ( \ + "mov\tr0,%1\n\t" \ + "mov\tr1,%2\n\t" \ + __syscall(name) \ + "mov\t%0,r0" \ + : "=r" (__res) \ + : "r" ((long)(arg1)),"r" ((long)(arg2)) \ + : "r0","r1","lr"); \ + __syscall_return(type,__res); \ +} + + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type name(type1 arg1,type2 arg2,type3 arg3) { \ + long __res; \ + __asm__ __volatile__ ( \ + "mov\tr0,%1\n\t" \ + "mov\tr1,%2\n\t" \ + "mov\tr2,%3\n\t" \ + __syscall(name) \ + "mov\t%0,r0" \ + : "=r" (__res) \ + : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)) \ + : "r0","r1","r2","lr"); \ + __syscall_return(type,__res); \ +} + + +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + long __res; \ + __asm__ __volatile__ ( \ + "mov\tr0,%1\n\t" \ + "mov\tr1,%2\n\t" \ + "mov\tr2,%3\n\t" \ + "mov\tr3,%4\n\t" \ + __syscall(name) \ + "mov\t%0,r0" \ + : "=r" (__res) \ + : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)) \ + : "r0","r1","r2","r3","lr"); \ + __syscall_return(type,__res); \ +} + + +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ +type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) { \ + long __res; \ + __asm__ __volatile__ ( \ + "mov\tr0,%1\n\t" \ + "mov\tr1,%2\n\t" \ + "mov\tr2,%3\n\t" \ + "mov\tr3,%4\n\t" \ + "mov\tr4,%5\n\t" \ + __syscall(name) \ + "mov\t%0,r0" \ + : "=r" (__res) \ + : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)), \ + "r" ((long)(arg5)) \ + : "r0","r1","r2","r3","r4","lr"); \ + __syscall_return(type,__res); \ +} + +_syscall1(int,exit1,int,status); +_syscall3(int,write,int,fd,const char *,buf, int, len); + +void _start(void) +{ + write(1, "Hello World\n", 12); + exit1(0); +} diff --git a/src/recompiler/tests/hello-i386.c b/src/recompiler/tests/hello-i386.c new file mode 100644 index 00000000..e00245d3 --- /dev/null +++ b/src/recompiler/tests/hello-i386.c @@ -0,0 +1,26 @@ +#include + +extern inline volatile void exit(int status) +{ + int __res; + __asm__ volatile ("movl %%ecx,%%ebx\n"\ + "int $0x80" \ + : "=a" (__res) : "0" (__NR_exit),"c" ((long)(status))); +} + +extern inline int write(int fd, const char * buf, int len) +{ + int status; + __asm__ volatile ("pushl %%ebx\n"\ + "movl %%esi,%%ebx\n"\ + "int $0x80\n" \ + "popl %%ebx\n"\ + : "=a" (status) \ + : "0" (__NR_write),"S" ((long)(fd)),"c" ((long)(buf)),"d" ((long)(len))); +} + +void _start(void) +{ + write(1, "Hello World\n", 12); + exit(0); +} diff --git a/src/recompiler/tests/linux-test.c b/src/recompiler/tests/linux-test.c new file mode 100644 index 00000000..cce80373 --- /dev/null +++ b/src/recompiler/tests/linux-test.c @@ -0,0 +1,545 @@ +/* + * linux and CPU test + * + * Copyright (c) 2003 Fabrice Bellard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* + * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice + * other than GPL or LGPL is available it will apply instead, Oracle elects to use only + * the General Public License version 2 (GPLv2) at this time for any software where + * a choice of GPL license versions is made available with the language indicating + * that GPLv2 or any later version may be used, or where a choice of which version + * of the GPL is applied is otherwise unspecified. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TESTPATH "/tmp/linux-test.tmp" +#define TESTPORT 7654 +#define STACK_SIZE 16384 + +void error1(const char *filename, int line, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d: ", filename, line); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); + exit(1); +} + +int __chk_error(const char *filename, int line, int ret) +{ + if (ret < 0) { + error1(filename, line, "%m (ret=%d, errno=%d)", + ret, errno); + } + return ret; +} + +#define error(fmt, ...) error1(__FILE__, __LINE__, fmt, ## __VA_ARGS__) + +#define chk_error(ret) __chk_error(__FILE__, __LINE__, (ret)) + +/*******************************************************/ + +#define FILE_BUF_SIZE 300 + +void test_file(void) +{ + int fd, i, len, ret; + uint8_t buf[FILE_BUF_SIZE]; + uint8_t buf2[FILE_BUF_SIZE]; + uint8_t buf3[FILE_BUF_SIZE]; + char cur_dir[1024]; + struct stat st; + struct utimbuf tbuf; + struct iovec vecs[2]; + DIR *dir; + struct dirent *de; + + /* clean up, just in case */ + unlink(TESTPATH "/file1"); + unlink(TESTPATH "/file2"); + unlink(TESTPATH "/file3"); + rmdir(TESTPATH); + + if (getcwd(cur_dir, sizeof(cur_dir)) == NULL) + error("getcwd"); + + chk_error(mkdir(TESTPATH, 0755)); + + chk_error(chdir(TESTPATH)); + + /* open/read/write/close/readv/writev/lseek */ + + fd = chk_error(open("file1", O_WRONLY | O_TRUNC | O_CREAT, 0644)); + for(i=0;i < FILE_BUF_SIZE; i++) + buf[i] = i; + len = chk_error(write(fd, buf, FILE_BUF_SIZE / 2)); + if (len != (FILE_BUF_SIZE / 2)) + error("write"); + vecs[0].iov_base = buf + (FILE_BUF_SIZE / 2); + vecs[0].iov_len = 16; + vecs[1].iov_base = buf + (FILE_BUF_SIZE / 2) + 16; + vecs[1].iov_len = (FILE_BUF_SIZE / 2) - 16; + len = chk_error(writev(fd, vecs, 2)); + if (len != (FILE_BUF_SIZE / 2)) + error("writev"); + chk_error(close(fd)); + + chk_error(rename("file1", "file2")); + + fd = chk_error(open("file2", O_RDONLY)); + + len = chk_error(read(fd, buf2, FILE_BUF_SIZE)); + if (len != FILE_BUF_SIZE) + error("read"); + if (memcmp(buf, buf2, FILE_BUF_SIZE) != 0) + error("memcmp"); + +#define FOFFSET 16 + ret = chk_error(lseek(fd, FOFFSET, SEEK_SET)); + if (ret != 16) + error("lseek"); + vecs[0].iov_base = buf3; + vecs[0].iov_len = 32; + vecs[1].iov_base = buf3 + 32; + vecs[1].iov_len = FILE_BUF_SIZE - FOFFSET - 32; + len = chk_error(readv(fd, vecs, 2)); + if (len != FILE_BUF_SIZE - FOFFSET) + error("readv"); + if (memcmp(buf + FOFFSET, buf3, FILE_BUF_SIZE - FOFFSET) != 0) + error("memcmp"); + + chk_error(close(fd)); + + /* access */ + chk_error(access("file2", R_OK)); + + /* stat/chmod/utime/truncate */ + + chk_error(chmod("file2", 0600)); + tbuf.actime = 1001; + tbuf.modtime = 1000; + chk_error(truncate("file2", 100)); + chk_error(utime("file2", &tbuf)); + chk_error(stat("file2", &st)); + if (st.st_size != 100) + error("stat size"); + if (!S_ISREG(st.st_mode)) + error("stat mode"); + if ((st.st_mode & 0777) != 0600) + error("stat mode2"); + if (st.st_atime != 1001 || + st.st_mtime != 1000) + error("stat time"); + + chk_error(stat(TESTPATH, &st)); + if (!S_ISDIR(st.st_mode)) + error("stat mode"); + + /* fstat */ + fd = chk_error(open("file2", O_RDWR)); + chk_error(ftruncate(fd, 50)); + chk_error(fstat(fd, &st)); + chk_error(close(fd)); + + if (st.st_size != 50) + error("stat size"); + if (!S_ISREG(st.st_mode)) + error("stat mode"); + + /* symlink/lstat */ + chk_error(symlink("file2", "file3")); + chk_error(lstat("file3", &st)); + if (!S_ISLNK(st.st_mode)) + error("stat mode"); + + /* getdents */ + dir = opendir(TESTPATH); + if (!dir) + error("opendir"); + len = 0; + for(;;) { + de = readdir(dir); + if (!de) + break; + if (strcmp(de->d_name, ".") != 0 && + strcmp(de->d_name, "..") != 0 && + strcmp(de->d_name, "file2") != 0 && + strcmp(de->d_name, "file3") != 0) + error("readdir"); + len++; + } + closedir(dir); + if (len != 4) + error("readdir"); + + chk_error(unlink("file3")); + chk_error(unlink("file2")); + chk_error(chdir(cur_dir)); + chk_error(rmdir(TESTPATH)); +} + +void test_fork(void) +{ + int pid, status; + + pid = chk_error(fork()); + if (pid == 0) { + /* child */ + exit(2); + } + chk_error(waitpid(pid, &status, 0)); + if (!WIFEXITED(status) || WEXITSTATUS(status) != 2) + error("waitpid status=0x%x", status); +} + +void test_time(void) +{ + struct timeval tv, tv2; + struct timespec ts, rem; + struct rusage rusg1, rusg2; + int ti, i; + + chk_error(gettimeofday(&tv, NULL)); + rem.tv_sec = 1; + ts.tv_sec = 0; + ts.tv_nsec = 20 * 1000000; + chk_error(nanosleep(&ts, &rem)); + if (rem.tv_sec != 1) + error("nanosleep"); + chk_error(gettimeofday(&tv2, NULL)); + ti = tv2.tv_sec - tv.tv_sec; + if (ti >= 2) + error("gettimeofday"); + + chk_error(getrusage(RUSAGE_SELF, &rusg1)); + for(i = 0;i < 10000; i++); + chk_error(getrusage(RUSAGE_SELF, &rusg2)); + if ((rusg2.ru_utime.tv_sec - rusg1.ru_utime.tv_sec) < 0 || + (rusg2.ru_stime.tv_sec - rusg1.ru_stime.tv_sec) < 0) + error("getrusage"); +} + +void pstrcpy(char *buf, int buf_size, const char *str) +{ + int c; + char *q = buf; + + if (buf_size <= 0) + return; + + for(;;) { + c = *str++; + if (c == 0 || q >= buf + buf_size - 1) + break; + *q++ = c; + } + *q = '\0'; +} + +/* strcat and truncate. */ +char *pstrcat(char *buf, int buf_size, const char *s) +{ + int len; + len = strlen(buf); + if (len < buf_size) + pstrcpy(buf + len, buf_size - len, s); + return buf; +} + +int server_socket(void) +{ + int val, fd; + struct sockaddr_in sockaddr; + + /* server socket */ + fd = chk_error(socket(PF_INET, SOCK_STREAM, 0)); + + val = 1; + chk_error(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val))); + + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(TESTPORT); + sockaddr.sin_addr.s_addr = 0; + chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); + chk_error(listen(fd, 0)); + return fd; + +} + +int client_socket(void) +{ + int fd; + struct sockaddr_in sockaddr; + + /* server socket */ + fd = chk_error(socket(PF_INET, SOCK_STREAM, 0)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(TESTPORT); + inet_aton("127.0.0.1", &sockaddr.sin_addr); + chk_error(connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); + return fd; +} + +const char socket_msg[] = "hello socket\n"; + +void test_socket(void) +{ + int server_fd, client_fd, fd, pid, ret, val; + struct sockaddr_in sockaddr; + socklen_t len; + char buf[512]; + + server_fd = server_socket(); + + /* test a few socket options */ + len = sizeof(val); + chk_error(getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &val, &len)); + if (val != SOCK_STREAM) + error("getsockopt"); + + pid = chk_error(fork()); + if (pid == 0) { + client_fd = client_socket(); + send(client_fd, socket_msg, sizeof(socket_msg), 0); + close(client_fd); + exit(0); + } + len = sizeof(sockaddr); + fd = chk_error(accept(server_fd, (struct sockaddr *)&sockaddr, &len)); + + ret = chk_error(recv(fd, buf, sizeof(buf), 0)); + if (ret != sizeof(socket_msg)) + error("recv"); + if (memcmp(buf, socket_msg, sizeof(socket_msg)) != 0) + error("socket_msg"); + chk_error(close(fd)); + chk_error(close(server_fd)); +} + +#define WCOUNT_MAX 512 + +void test_pipe(void) +{ + fd_set rfds, wfds; + int fds[2], fd_max, ret; + uint8_t ch; + int wcount, rcount; + + chk_error(pipe(fds)); + chk_error(fcntl(fds[0], F_SETFL, O_NONBLOCK)); + chk_error(fcntl(fds[1], F_SETFL, O_NONBLOCK)); + wcount = 0; + rcount = 0; + for(;;) { + FD_ZERO(&rfds); + fd_max = fds[0]; + FD_SET(fds[0], &rfds); + + FD_ZERO(&wfds); + FD_SET(fds[1], &wfds); + if (fds[1] > fd_max) + fd_max = fds[1]; + + ret = chk_error(select(fd_max + 1, &rfds, &wfds, NULL, NULL)); + if (ret > 0) { + if (FD_ISSET(fds[0], &rfds)) { + chk_error(read(fds[0], &ch, 1)); + rcount++; + if (rcount >= WCOUNT_MAX) + break; + } + if (FD_ISSET(fds[1], &wfds)) { + ch = 'a'; + chk_error(write(fds[0], &ch, 1)); + wcount++; + } + } + } + chk_error(close(fds[0])); + chk_error(close(fds[1])); +} + +int thread1_res; +int thread2_res; + +int thread1_func(void *arg) +{ + int i; + for(i=0;i<5;i++) { + thread1_res++; + usleep(10 * 1000); + } + return 0; +} + +int thread2_func(void *arg) +{ + int i; + for(i=0;i<6;i++) { + thread2_res++; + usleep(10 * 1000); + } + return 0; +} + +void test_clone(void) +{ + uint8_t *stack1, *stack2; + int pid1, pid2, status1, status2; + + stack1 = malloc(STACK_SIZE); + pid1 = chk_error(clone(thread1_func, stack1 + STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1")); + + stack2 = malloc(STACK_SIZE); + pid2 = chk_error(clone(thread2_func, stack2 + STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2")); + + while (waitpid(pid1, &status1, 0) != pid1); + while (waitpid(pid2, &status2, 0) != pid2); + if (thread1_res != 5 || + thread2_res != 6) + error("clone"); +} + +/***********************************/ + +volatile int alarm_count; +jmp_buf jmp_env; + +void sig_alarm(int sig) +{ + if (sig != SIGALRM) + error("signal"); + alarm_count++; +} + +void sig_segv(int sig, siginfo_t *info, void *puc) +{ + if (sig != SIGSEGV) + error("signal"); + longjmp(jmp_env, 1); +} + +void test_signal(void) +{ + struct sigaction act; + struct itimerval it, oit; + + /* timer test */ + + alarm_count = 0; + + act.sa_handler = sig_alarm; + sigemptyset(&act.sa_mask); + act.sa_flags = 0; + chk_error(sigaction(SIGALRM, &act, NULL)); + + it.it_interval.tv_sec = 0; + it.it_interval.tv_usec = 10 * 1000; + it.it_value.tv_sec = 0; + it.it_value.tv_usec = 10 * 1000; + chk_error(setitimer(ITIMER_REAL, &it, NULL)); + chk_error(getitimer(ITIMER_REAL, &oit)); + if (oit.it_value.tv_sec != it.it_value.tv_sec || + oit.it_value.tv_usec != it.it_value.tv_usec) + error("itimer"); + + while (alarm_count < 5) { + usleep(10 * 1000); + } + + it.it_interval.tv_sec = 0; + it.it_interval.tv_usec = 0; + it.it_value.tv_sec = 0; + it.it_value.tv_usec = 0; + memset(&oit, 0xff, sizeof(oit)); + chk_error(setitimer(ITIMER_REAL, &it, &oit)); + if (oit.it_value.tv_sec != 0 || + oit.it_value.tv_usec != 10 * 1000) + error("setitimer"); + + /* SIGSEGV test */ + act.sa_sigaction = sig_segv; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_SIGINFO; + chk_error(sigaction(SIGSEGV, &act, NULL)); + if (setjmp(jmp_env) == 0) { + *(uint8_t *)0 = 0; + } + + act.sa_handler = SIG_DFL; + sigemptyset(&act.sa_mask); + act.sa_flags = 0; + chk_error(sigaction(SIGSEGV, &act, NULL)); +} + +#define SHM_SIZE 32768 + +void test_shm(void) +{ + void *ptr; + int shmid; + + shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777)); + ptr = shmat(shmid, NULL, 0); + if (!ptr) + error("shmat"); + + memset(ptr, 0, SHM_SIZE); + + chk_error(shmctl(shmid, IPC_RMID, 0)); + chk_error(shmdt(ptr)); +} + +int main(int argc, char **argv) +{ + test_file(); + test_fork(); + test_time(); + test_socket(); + // test_clone(); + test_signal(); + test_shm(); + return 0; +} diff --git a/src/recompiler/tests/pi_10.com b/src/recompiler/tests/pi_10.com new file mode 100644 index 00000000..8993ba1a Binary files /dev/null and b/src/recompiler/tests/pi_10.com differ diff --git a/src/recompiler/tests/qruncom.c b/src/recompiler/tests/qruncom.c new file mode 100644 index 00000000..079f7a29 --- /dev/null +++ b/src/recompiler/tests/qruncom.c @@ -0,0 +1,284 @@ +/* + * Example of use of user mode libqemu: launch a basic .com DOS + * executable + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cpu.h" + +//#define SIGTEST + +int cpu_get_pic_interrupt(CPUState *env) +{ + return -1; +} + +uint64_t cpu_get_tsc(CPUState *env) +{ + return 0; +} + +static void set_gate(void *ptr, unsigned int type, unsigned int dpl, + unsigned long addr, unsigned int sel) +{ + unsigned int e1, e2; + e1 = (addr & 0xffff) | (sel << 16); + e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); + stl((uint8_t *)ptr, e1); + stl((uint8_t *)ptr + 4, e2); +} + +uint64_t idt_table[256]; + +/* only dpl matters as we do only user space emulation */ +static void set_idt(int n, unsigned int dpl) +{ + set_gate(idt_table + n, 0, dpl, 0, 0); +} + +void qemu_free(void *ptr) +{ + free(ptr); +} + +void *qemu_malloc(size_t size) +{ + return malloc(size); +} + +void *qemu_mallocz(size_t size) +{ + void *ptr; + ptr = qemu_malloc(size); + if (!ptr) + return NULL; + memset(ptr, 0, size); + return ptr; +} + +void *qemu_vmalloc(size_t size) +{ + return memalign(4096, size); +} + +void qemu_vfree(void *ptr) +{ + free(ptr); +} + +void qemu_printf(const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + vprintf(fmt, ap); + va_end(ap); +} + +/* XXX: this is a bug in helper2.c */ +int errno; + +/**********************************************/ + +#define COM_BASE_ADDR 0x10100 + +static void usage(void) +{ + printf("qruncom version 0.1 (c) 2003 Fabrice Bellard\n" + "usage: qruncom file.com\n" + "user mode libqemu demo: run simple .com DOS executables\n"); + exit(1); +} + +static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) +{ + return (uint8_t *)((seg << 4) + (reg & 0xffff)); +} + +static inline void pushw(CPUState *env, int val) +{ + env->regs[R_ESP] = (env->regs[R_ESP] & ~0xffff) | ((env->regs[R_ESP] - 2) & 0xffff); + *(uint16_t *)seg_to_linear(env->segs[R_SS].selector, env->regs[R_ESP]) = val; +} + +static void host_segv_handler(int host_signum, siginfo_t *info, + void *puc) +{ + if (cpu_signal_handler(host_signum, info, puc)) { + return; + } + abort(); +} + +int main(int argc, char **argv) +{ + uint8_t *vm86_mem; + const char *filename; + int fd, ret, seg; + CPUState *env; + + if (argc != 2) + usage(); + filename = argv[1]; + + vm86_mem = mmap((void *)0x00000000, 0x110000, + PROT_WRITE | PROT_READ | PROT_EXEC, + MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); + if (vm86_mem == MAP_FAILED) { + perror("mmap"); + exit(1); + } + + /* load the MSDOS .com executable */ + fd = open(filename, O_RDONLY); + if (fd < 0) { + perror(filename); + exit(1); + } + ret = read(fd, vm86_mem + COM_BASE_ADDR, 65536 - 256); + if (ret < 0) { + perror("read"); + exit(1); + } + close(fd); + + /* install exception handler for CPU emulator */ + { + struct sigaction act; + + sigfillset(&act.sa_mask); + act.sa_flags = SA_SIGINFO; + // act.sa_flags |= SA_ONSTACK; + + act.sa_sigaction = host_segv_handler; + sigaction(SIGSEGV, &act, NULL); + sigaction(SIGBUS, &act, NULL); + } + + // cpu_set_log(CPU_LOG_TB_IN_ASM | CPU_LOG_TB_OUT_ASM | CPU_LOG_EXEC); + + env = cpu_init("qemu32"); + + cpu_x86_set_cpl(env, 3); + + env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; + /* NOTE: hflags duplicates some of the virtual CPU state */ + env->hflags |= HF_PE_MASK | VM_MASK; + + /* flags setup : we activate the IRQs by default as in user + mode. We also activate the VM86 flag to run DOS code */ + env->eflags |= IF_MASK | VM_MASK; + + /* init basic registers */ + env->eip = 0x100; + env->regs[R_ESP] = 0xfffe; + seg = (COM_BASE_ADDR - 0x100) >> 4; + + cpu_x86_load_seg_cache(env, R_CS, seg, + (seg << 4), 0xffff, 0); + cpu_x86_load_seg_cache(env, R_SS, seg, + (seg << 4), 0xffff, 0); + cpu_x86_load_seg_cache(env, R_DS, seg, + (seg << 4), 0xffff, 0); + cpu_x86_load_seg_cache(env, R_ES, seg, + (seg << 4), 0xffff, 0); + cpu_x86_load_seg_cache(env, R_FS, seg, + (seg << 4), 0xffff, 0); + cpu_x86_load_seg_cache(env, R_GS, seg, + (seg << 4), 0xffff, 0); + + /* exception support */ + env->idt.base = (unsigned long)idt_table; + env->idt.limit = sizeof(idt_table) - 1; + set_idt(0, 0); + set_idt(1, 0); + set_idt(2, 0); + set_idt(3, 3); + set_idt(4, 3); + set_idt(5, 3); + set_idt(6, 0); + set_idt(7, 0); + set_idt(8, 0); + set_idt(9, 0); + set_idt(10, 0); + set_idt(11, 0); + set_idt(12, 0); + set_idt(13, 0); + set_idt(14, 0); + set_idt(15, 0); + set_idt(16, 0); + set_idt(17, 0); + set_idt(18, 0); + set_idt(19, 0); + + /* put return code */ + *seg_to_linear(env->segs[R_CS].selector, 0) = 0xb4; /* mov ah, $0 */ + *seg_to_linear(env->segs[R_CS].selector, 1) = 0x00; + *seg_to_linear(env->segs[R_CS].selector, 2) = 0xcd; /* int $0x21 */ + *seg_to_linear(env->segs[R_CS].selector, 3) = 0x21; + pushw(env, 0x0000); + + /* the value of these registers seem to be assumed by pi_10.com */ + env->regs[R_ESI] = 0x100; + env->regs[R_ECX] = 0xff; + env->regs[R_EBP] = 0x0900; + env->regs[R_EDI] = 0xfffe; + + /* inform the emulator of the mmaped memory */ + page_set_flags(0x00000000, 0x110000, + PAGE_WRITE | PAGE_READ | PAGE_EXEC | PAGE_VALID); + + for(;;) { + ret = cpu_x86_exec(env); + switch(ret) { + case EXCP0D_GPF: + { + int int_num, ah; + int_num = *(uint8_t *)(env->segs[R_CS].base + env->eip + 1); + if (int_num != 0x21) + goto unknown_int; + ah = (env->regs[R_EAX] >> 8) & 0xff; + switch(ah) { + case 0x00: /* exit */ + exit(0); + case 0x02: /* write char */ + { + uint8_t c = env->regs[R_EDX]; + write(1, &c, 1); + } + break; + case 0x09: /* write string */ + { + uint8_t c; + for(;;) { + c = *seg_to_linear(env->segs[R_DS].selector, env->regs[R_EAX]); + if (c == '$') + break; + write(1, &c, 1); + } + env->regs[R_EAX] = (env->regs[R_EAX] & ~0xff) | '$'; + } + break; + default: + unknown_int: + fprintf(stderr, "unsupported int 0x%02x\n", int_num); + cpu_dump_state(env, stderr, fprintf, 0); + // exit(1); + } + env->eip += 2; + } + break; + default: + fprintf(stderr, "unhandled cpu_exec return code (0x%x)\n", ret); + cpu_dump_state(env, stderr, fprintf, 0); + exit(1); + } + } +} diff --git a/src/recompiler/tests/runcom.c b/src/recompiler/tests/runcom.c new file mode 100644 index 00000000..63805666 --- /dev/null +++ b/src/recompiler/tests/runcom.c @@ -0,0 +1,195 @@ +/* + * Simple example of use of vm86: launch a basic .com DOS executable + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +//#define SIGTEST + +#undef __syscall_return +#define __syscall_return(type, res) \ +do { \ + return (type) (res); \ +} while (0) + +_syscall2(int, vm86, int, func, struct vm86plus_struct *, v86) + +#define COM_BASE_ADDR 0x10100 + +static void usage(void) +{ + printf("runcom version 0.1 (c) 2003 Fabrice Bellard\n" + "usage: runcom file.com\n" + "VM86 Run simple .com DOS executables (linux vm86 test mode)\n"); + exit(1); +} + +static inline void set_bit(uint8_t *a, unsigned int bit) +{ + a[bit / 8] |= (1 << (bit % 8)); +} + +static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) +{ + return (uint8_t *)((seg << 4) + (reg & 0xffff)); +} + +static inline void pushw(struct vm86_regs *r, int val) +{ + r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); + *(uint16_t *)seg_to_linear(r->ss, r->esp) = val; +} + +void dump_regs(struct vm86_regs *r) +{ + fprintf(stderr, + "EAX=%08lx EBX=%08lx ECX=%08lx EDX=%08lx\n" + "ESI=%08lx EDI=%08lx EBP=%08lx ESP=%08lx\n" + "EIP=%08lx EFL=%08lx\n" + "CS=%04x DS=%04x ES=%04x SS=%04x FS=%04x GS=%04x\n", + r->eax, r->ebx, r->ecx, r->edx, r->esi, r->edi, r->ebp, r->esp, + r->eip, r->eflags, + r->cs, r->ds, r->es, r->ss, r->fs, r->gs); +} + +#ifdef SIGTEST +void alarm_handler(int sig) +{ + fprintf(stderr, "alarm signal=%d\n", sig); + alarm(1); +} +#endif + +int main(int argc, char **argv) +{ + uint8_t *vm86_mem; + const char *filename; + int fd, ret, seg; + struct vm86plus_struct ctx; + struct vm86_regs *r; + + if (argc != 2) + usage(); + filename = argv[1]; + + vm86_mem = mmap((void *)0x00000000, 0x110000, + PROT_WRITE | PROT_READ | PROT_EXEC, + MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); + if (vm86_mem == MAP_FAILED) { + perror("mmap"); + exit(1); + } +#ifdef SIGTEST + { + struct sigaction act; + + act.sa_handler = alarm_handler; + sigemptyset(&act.sa_mask); + act.sa_flags = 0; + sigaction(SIGALRM, &act, NULL); + alarm(1); + } +#endif + + /* load the MSDOS .com executable */ + fd = open(filename, O_RDONLY); + if (fd < 0) { + perror(filename); + exit(1); + } + ret = read(fd, vm86_mem + COM_BASE_ADDR, 65536 - 256); + if (ret < 0) { + perror("read"); + exit(1); + } + close(fd); + + memset(&ctx, 0, sizeof(ctx)); + /* init basic registers */ + r = &ctx.regs; + r->eip = 0x100; + r->esp = 0xfffe; + seg = (COM_BASE_ADDR - 0x100) >> 4; + r->cs = seg; + r->ss = seg; + r->ds = seg; + r->es = seg; + r->fs = seg; + r->gs = seg; + r->eflags = VIF_MASK; + + /* put return code */ + set_bit((uint8_t *)&ctx.int_revectored, 0x21); + *seg_to_linear(r->cs, 0) = 0xb4; /* mov ah, $0 */ + *seg_to_linear(r->cs, 1) = 0x00; + *seg_to_linear(r->cs, 2) = 0xcd; /* int $0x21 */ + *seg_to_linear(r->cs, 3) = 0x21; + pushw(&ctx.regs, 0x0000); + + /* the value of these registers seem to be assumed by pi_10.com */ + r->esi = 0x100; + r->ecx = 0xff; + r->ebp = 0x0900; + r->edi = 0xfffe; + + for(;;) { + ret = vm86(VM86_ENTER, &ctx); + switch(VM86_TYPE(ret)) { + case VM86_INTx: + { + int int_num, ah; + + int_num = VM86_ARG(ret); + if (int_num != 0x21) + goto unknown_int; + ah = (r->eax >> 8) & 0xff; + switch(ah) { + case 0x00: /* exit */ + exit(0); + case 0x02: /* write char */ + { + uint8_t c = r->edx; + write(1, &c, 1); + } + break; + case 0x09: /* write string */ + { + uint8_t c; + for(;;) { + c = *seg_to_linear(r->ds, r->edx); + if (c == '$') + break; + write(1, &c, 1); + } + r->eax = (r->eax & ~0xff) | '$'; + } + break; + default: + unknown_int: + fprintf(stderr, "unsupported int 0x%02x\n", int_num); + dump_regs(&ctx.regs); + // exit(1); + } + } + break; + case VM86_SIGNAL: + /* a signal came, we just ignore that */ + break; + case VM86_STI: + break; + default: + fprintf(stderr, "unhandled vm86 return code (0x%x)\n", ret); + dump_regs(&ctx.regs); + exit(1); + } + } +} diff --git a/src/recompiler/tests/sha1.c b/src/recompiler/tests/sha1.c new file mode 100644 index 00000000..93b7c8e8 --- /dev/null +++ b/src/recompiler/tests/sha1.c @@ -0,0 +1,240 @@ + +/* from valgrind tests */ + +/* ================ sha1.c ================ */ +/* +SHA-1 in C +By Steve Reid +100% Public Domain + +Test Vectors (from FIPS PUB 180-1) +"abc" + A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D +"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" + 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 +A million repetitions of "a" + 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F +*/ + +/* #define LITTLE_ENDIAN * This should be #define'd already, if true. */ +/* #define SHA1HANDSOFF * Copies data before messing with it. */ + +#define SHA1HANDSOFF + +#include +#include +#include + +/* ================ sha1.h ================ */ +/* +SHA-1 in C +By Steve Reid +100% Public Domain +*/ + +typedef struct { + uint32_t state[5]; + uint32_t count[2]; + unsigned char buffer[64]; +} SHA1_CTX; + +void SHA1Transform(uint32_t state[5], const unsigned char buffer[64]); +void SHA1Init(SHA1_CTX* context); +void SHA1Update(SHA1_CTX* context, const unsigned char* data, uint32_t len); +void SHA1Final(unsigned char digest[20], SHA1_CTX* context); +/* ================ end of sha1.h ================ */ +#include + +#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) + +/* blk0() and blk() perform the initial expand. */ +/* I got the idea of expanding during the round function from SSLeay */ +#if BYTE_ORDER == LITTLE_ENDIAN +#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \ + |(rol(block->l[i],8)&0x00FF00FF)) +#elif BYTE_ORDER == BIG_ENDIAN +#define blk0(i) block->l[i] +#else +#error "Endianness not defined!" +#endif +#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \ + ^block->l[(i+2)&15]^block->l[i&15],1)) + +/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ +#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); +#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); +#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); +#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); +#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); + + +/* Hash a single 512-bit block. This is the core of the algorithm. */ + +void SHA1Transform(uint32_t state[5], const unsigned char buffer[64]) +{ +uint32_t a, b, c, d, e; +typedef union { + unsigned char c[64]; + uint32_t l[16]; +} CHAR64LONG16; +#ifdef SHA1HANDSOFF +CHAR64LONG16 block[1]; /* use array to appear as a pointer */ + memcpy(block, buffer, 64); +#else + /* The following had better never be used because it causes the + * pointer-to-const buffer to be cast into a pointer to non-const. + * And the result is written through. I threw a "const" in, hoping + * this will cause a diagnostic. + */ +CHAR64LONG16* block = (const CHAR64LONG16*)buffer; +#endif + /* Copy context->state[] to working vars */ + a = state[0]; + b = state[1]; + c = state[2]; + d = state[3]; + e = state[4]; + /* 4 rounds of 20 operations each. Loop unrolled. */ + R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); + R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); + R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); + R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); + R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); + R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); + R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); + R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); + R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); + R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); + R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); + R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); + R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); + R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); + R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); + R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); + R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); + R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); + R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); + R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); + /* Add the working vars back into context.state[] */ + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + state[4] += e; + /* Wipe variables */ + a = b = c = d = e = 0; +#ifdef SHA1HANDSOFF + memset(block, '\0', sizeof(block)); +#endif +} + + +/* SHA1Init - Initialize new context */ + +void SHA1Init(SHA1_CTX* context) +{ + /* SHA1 initialization constants */ + context->state[0] = 0x67452301; + context->state[1] = 0xEFCDAB89; + context->state[2] = 0x98BADCFE; + context->state[3] = 0x10325476; + context->state[4] = 0xC3D2E1F0; + context->count[0] = context->count[1] = 0; +} + + +/* Run your data through this. */ + +void SHA1Update(SHA1_CTX* context, const unsigned char* data, uint32_t len) +{ +uint32_t i; +uint32_t j; + + j = context->count[0]; + if ((context->count[0] += len << 3) < j) + context->count[1]++; + context->count[1] += (len>>29); + j = (j >> 3) & 63; + if ((j + len) > 63) { + memcpy(&context->buffer[j], data, (i = 64-j)); + SHA1Transform(context->state, context->buffer); + for ( ; i + 63 < len; i += 64) { + SHA1Transform(context->state, &data[i]); + } + j = 0; + } + else i = 0; + memcpy(&context->buffer[j], &data[i], len - i); +} + + +/* Add padding and return the message digest. */ + +void SHA1Final(unsigned char digest[20], SHA1_CTX* context) +{ +unsigned i; +unsigned char finalcount[8]; +unsigned char c; + +#if 0 /* untested "improvement" by DHR */ + /* Convert context->count to a sequence of bytes + * in finalcount. Second element first, but + * big-endian order within element. + * But we do it all backwards. + */ + unsigned char *fcp = &finalcount[8]; + + for (i = 0; i < 2; i++) + { + uint32_t t = context->count[i]; + int j; + + for (j = 0; j < 4; t >>= 8, j++) + *--fcp = (unsigned char) t; + } +#else + for (i = 0; i < 8; i++) { + finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)] + >> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */ + } +#endif + c = 0200; + SHA1Update(context, &c, 1); + while ((context->count[0] & 504) != 448) { + c = 0000; + SHA1Update(context, &c, 1); + } + SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */ + for (i = 0; i < 20; i++) { + digest[i] = (unsigned char) + ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255); + } + /* Wipe variables */ + memset(context, '\0', sizeof(*context)); + memset(&finalcount, '\0', sizeof(finalcount)); +} +/* ================ end of sha1.c ================ */ + +#define BUFSIZE 4096 + +int +main(int argc, char **argv) +{ + SHA1_CTX ctx; + unsigned char hash[20], buf[BUFSIZE]; + int i; + + for(i=0;i +#include +#include + +int main(int argc, char *argv[]) { + char hello[16]; + const char ehlo[8] = "EHLO "; + uint64_t mask = 0x8080800302020001; + + uint64_t a = 0x0000000000090007; + uint64_t b = 0x0000000000000000; + uint32_t c; + uint16_t d; + + const char e[16] = "LLOaaaaaaaaaaaaa"; + const char f[16] = "aaaaaaaaaaaaaaHE"; + + /* pshufb mm1/xmm1, mm2/xmm2 */ + asm volatile ("movq (%0), %%mm0" : : "r" (ehlo) : "mm0", "mm1"); + asm volatile ("movq %0, %%mm1" : : "m" (mask)); + asm volatile ("pshufb %mm1, %mm0"); + asm volatile ("movq %%mm0, %0" : "=m" (hello)); + printf("%s\n", hello); + + /* pshufb mm1/xmm1, m64/m128 */ + asm volatile ("movq (%0), %%mm0" : : "r" (ehlo) : "mm0"); + asm volatile ("pshufb %0, %%mm0" : : "m" (mask)); + asm volatile ("movq %%mm0, %0" : "=m" (hello)); + printf("%s\n", hello); + + /* psubsw mm1/xmm1, m64/m128 */ + asm volatile ("movq %0, %%mm0" : : "r" (a) : "mm0"); + asm volatile ("phsubsw %0, %%mm0" : : "m" (b)); + asm volatile ("movq %%mm0, %0" : "=m" (a)); + printf("%i - %i = %i\n", 9, 7, -(int16_t) a); + + /* palignr mm1/xmm1, m64/m128, imm8 */ + asm volatile ("movdqa (%0), %%xmm0" : : "r" (e) : "xmm0"); + asm volatile ("palignr $14, (%0), %%xmm0" : : "r" (f)); + asm volatile ("movdqa %%xmm0, (%0)" : : "r" (hello)); + printf("%5.5s\n", hello); + +#if 1 /* SSE4 */ + /* popcnt r64, r/m64 */ + asm volatile ("movq $0x8421000010009c63, %%rax" : : : "rax"); + asm volatile ("popcnt %%ax, %%dx" : : : "dx"); + asm volatile ("popcnt %%eax, %%ecx" : : : "ecx"); + asm volatile ("popcnt %rax, %rax"); + asm volatile ("movq %%rax, %0" : "=m" (a)); + asm volatile ("movl %%ecx, %0" : "=m" (c)); + asm volatile ("movw %%dx, %0" : "=m" (d)); + printf("%i = %i\n%i = %i = %i\n", 13, (int) a, 9, c, d + 1); +#endif + + return 0; +} diff --git a/src/recompiler/tests/test-i386-vm86.S b/src/recompiler/tests/test-i386-vm86.S new file mode 100644 index 00000000..3bb96c99 --- /dev/null +++ b/src/recompiler/tests/test-i386-vm86.S @@ -0,0 +1,103 @@ + .code16 + .globl vm86_code_start + .globl vm86_code_end + +#define GET_OFFSET(x) ((x) - vm86_code_start + 0x100) + +vm86_code_start: + movw $GET_OFFSET(hello_world), %dx + movb $0x09, %ah + int $0x21 + + /* prepare int 0x90 vector */ + xorw %ax, %ax + movw %ax, %es + es movw $GET_OFFSET(int90_test), 0x90 * 4 + es movw %cs, 0x90 * 4 + 2 + + /* launch int 0x90 */ + + int $0x90 + + /* test IF support */ + movw $GET_OFFSET(IF_msg), %dx + movb $0x09, %ah + int $0x21 + + pushf + popw %dx + movb $0xff, %ah + int $0x21 + + cli + pushf + popw %dx + movb $0xff, %ah + int $0x21 + + sti + pushfl + popl %edx + movb $0xff, %ah + int $0x21 + +#if 0 + movw $GET_OFFSET(IF_msg1), %dx + movb $0x09, %ah + int $0x21 + + pushf + movw %sp, %bx + andw $~0x200, (%bx) + popf +#else + cli +#endif + + pushf + popw %dx + movb $0xff, %ah + int $0x21 + + pushfl + movw %sp, %bx + orw $0x200, (%bx) + popfl + + pushfl + popl %edx + movb $0xff, %ah + int $0x21 + + movb $0x00, %ah + int $0x21 + +int90_test: + pushf + pop %dx + movb $0xff, %ah + int $0x21 + + movw %sp, %bx + movw 4(%bx), %dx + movb $0xff, %ah + int $0x21 + + movw $GET_OFFSET(int90_msg), %dx + movb $0x09, %ah + int $0x21 + iret + +int90_msg: + .string "INT90 started\n$" + +hello_world: + .string "Hello VM86 world\n$" + +IF_msg: + .string "VM86 IF test\n$" + +IF_msg1: + .string "If you see a diff here, your Linux kernel is buggy, please update to 2.4.20 kernel\n$" + +vm86_code_end: diff --git a/src/recompiler/tests/test-i386.c b/src/recompiler/tests/test-i386.c new file mode 100644 index 00000000..c8f21a95 --- /dev/null +++ b/src/recompiler/tests/test-i386.c @@ -0,0 +1,2769 @@ +/* + * x86 CPU test + * + * Copyright (c) 2003 Fabrice Bellard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* + * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice + * other than GPL or LGPL is available it will apply instead, Oracle elects to use only + * the General Public License version 2 (GPLv2) at this time for any software where + * a choice of GPL license versions is made available with the language indicating + * that GPLv2 or any later version may be used, or where a choice of which version + * of the GPL is applied is otherwise unspecified. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if !defined(__x86_64__) +//#define TEST_VM86 +#define TEST_SEGS +#endif +//#define LINUX_VM86_IOPL_FIX +//#define TEST_P4_FLAGS +#ifdef __SSE__ +#define TEST_SSE +#define TEST_CMOV 1 +#define TEST_FCOMI 1 +#else +#undef TEST_SSE +#define TEST_CMOV 1 +#define TEST_FCOMI 1 +#endif + +#if defined(__x86_64__) +#define FMT64X "%016lx" +#define FMTLX "%016lx" +#define X86_64_ONLY(x) x +#else +#define FMT64X "%016" PRIx64 +#define FMTLX "%08lx" +#define X86_64_ONLY(x) +#endif + +#ifdef TEST_VM86 +#include +#endif + +#define xglue(x, y) x ## y +#define glue(x, y) xglue(x, y) +#define stringify(s) tostring(s) +#define tostring(s) #s + +#define CC_C 0x0001 +#define CC_P 0x0004 +#define CC_A 0x0010 +#define CC_Z 0x0040 +#define CC_S 0x0080 +#define CC_O 0x0800 + +#define __init_call __attribute__ ((unused,__section__ ("initcall"))) + +#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A) + +#if defined(__x86_64__) +static inline long i2l(long v) +{ + return v | ((v ^ 0xabcd) << 32); +} +#else +static inline long i2l(long v) +{ + return v; +} +#endif + +#define OP add +#include "test-i386.h" + +#define OP sub +#include "test-i386.h" + +#define OP xor +#include "test-i386.h" + +#define OP and +#include "test-i386.h" + +#define OP or +#include "test-i386.h" + +#define OP cmp +#include "test-i386.h" + +#define OP adc +#define OP_CC +#include "test-i386.h" + +#define OP sbb +#define OP_CC +#include "test-i386.h" + +#define OP inc +#define OP_CC +#define OP1 +#include "test-i386.h" + +#define OP dec +#define OP_CC +#define OP1 +#include "test-i386.h" + +#define OP neg +#define OP_CC +#define OP1 +#include "test-i386.h" + +#define OP not +#define OP_CC +#define OP1 +#include "test-i386.h" + +#undef CC_MASK +#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O) + +#define OP shl +#include "test-i386-shift.h" + +#define OP shr +#include "test-i386-shift.h" + +#define OP sar +#include "test-i386-shift.h" + +#define OP rol +#include "test-i386-shift.h" + +#define OP ror +#include "test-i386-shift.h" + +#define OP rcr +#define OP_CC +#include "test-i386-shift.h" + +#define OP rcl +#define OP_CC +#include "test-i386-shift.h" + +#define OP shld +#define OP_SHIFTD +#define OP_NOBYTE +#include "test-i386-shift.h" + +#define OP shrd +#define OP_SHIFTD +#define OP_NOBYTE +#include "test-i386-shift.h" + +/* XXX: should be more precise ? */ +#undef CC_MASK +#define CC_MASK (CC_C) + +#define OP bt +#define OP_NOBYTE +#include "test-i386-shift.h" + +#define OP bts +#define OP_NOBYTE +#include "test-i386-shift.h" + +#define OP btr +#define OP_NOBYTE +#include "test-i386-shift.h" + +#define OP btc +#define OP_NOBYTE +#include "test-i386-shift.h" + +/* lea test (modrm support) */ +#define TEST_LEAQ(STR)\ +{\ + asm("lea " STR ", %0"\ + : "=r" (res)\ + : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ + printf("lea %s = " FMTLX "\n", STR, res);\ +} + +#define TEST_LEA(STR)\ +{\ + asm("lea " STR ", %0"\ + : "=r" (res)\ + : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ + printf("lea %s = " FMTLX "\n", STR, res);\ +} + +#define TEST_LEA16(STR)\ +{\ + asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ + : "=wq" (res)\ + : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ + printf("lea %s = %08lx\n", STR, res);\ +} + + +void test_lea(void) +{ + long eax, ebx, ecx, edx, esi, edi, res; + eax = i2l(0x0001); + ebx = i2l(0x0002); + ecx = i2l(0x0004); + edx = i2l(0x0008); + esi = i2l(0x0010); + edi = i2l(0x0020); + + TEST_LEA("0x4000"); + + TEST_LEA("(%%eax)"); + TEST_LEA("(%%ebx)"); + TEST_LEA("(%%ecx)"); + TEST_LEA("(%%edx)"); + TEST_LEA("(%%esi)"); + TEST_LEA("(%%edi)"); + + TEST_LEA("0x40(%%eax)"); + TEST_LEA("0x40(%%ebx)"); + TEST_LEA("0x40(%%ecx)"); + TEST_LEA("0x40(%%edx)"); + TEST_LEA("0x40(%%esi)"); + TEST_LEA("0x40(%%edi)"); + + TEST_LEA("0x4000(%%eax)"); + TEST_LEA("0x4000(%%ebx)"); + TEST_LEA("0x4000(%%ecx)"); + TEST_LEA("0x4000(%%edx)"); + TEST_LEA("0x4000(%%esi)"); + TEST_LEA("0x4000(%%edi)"); + + TEST_LEA("(%%eax, %%ecx)"); + TEST_LEA("(%%ebx, %%edx)"); + TEST_LEA("(%%ecx, %%ecx)"); + TEST_LEA("(%%edx, %%ecx)"); + TEST_LEA("(%%esi, %%ecx)"); + TEST_LEA("(%%edi, %%ecx)"); + + TEST_LEA("0x40(%%eax, %%ecx)"); + TEST_LEA("0x4000(%%ebx, %%edx)"); + + TEST_LEA("(%%ecx, %%ecx, 2)"); + TEST_LEA("(%%edx, %%ecx, 4)"); + TEST_LEA("(%%esi, %%ecx, 8)"); + + TEST_LEA("(,%%eax, 2)"); + TEST_LEA("(,%%ebx, 4)"); + TEST_LEA("(,%%ecx, 8)"); + + TEST_LEA("0x40(,%%eax, 2)"); + TEST_LEA("0x40(,%%ebx, 4)"); + TEST_LEA("0x40(,%%ecx, 8)"); + + + TEST_LEA("-10(%%ecx, %%ecx, 2)"); + TEST_LEA("-10(%%edx, %%ecx, 4)"); + TEST_LEA("-10(%%esi, %%ecx, 8)"); + + TEST_LEA("0x4000(%%ecx, %%ecx, 2)"); + TEST_LEA("0x4000(%%edx, %%ecx, 4)"); + TEST_LEA("0x4000(%%esi, %%ecx, 8)"); + +#if defined(__x86_64__) + TEST_LEAQ("0x4000"); + TEST_LEAQ("0x4000(%%rip)"); + + TEST_LEAQ("(%%rax)"); + TEST_LEAQ("(%%rbx)"); + TEST_LEAQ("(%%rcx)"); + TEST_LEAQ("(%%rdx)"); + TEST_LEAQ("(%%rsi)"); + TEST_LEAQ("(%%rdi)"); + + TEST_LEAQ("0x40(%%rax)"); + TEST_LEAQ("0x40(%%rbx)"); + TEST_LEAQ("0x40(%%rcx)"); + TEST_LEAQ("0x40(%%rdx)"); + TEST_LEAQ("0x40(%%rsi)"); + TEST_LEAQ("0x40(%%rdi)"); + + TEST_LEAQ("0x4000(%%rax)"); + TEST_LEAQ("0x4000(%%rbx)"); + TEST_LEAQ("0x4000(%%rcx)"); + TEST_LEAQ("0x4000(%%rdx)"); + TEST_LEAQ("0x4000(%%rsi)"); + TEST_LEAQ("0x4000(%%rdi)"); + + TEST_LEAQ("(%%rax, %%rcx)"); + TEST_LEAQ("(%%rbx, %%rdx)"); + TEST_LEAQ("(%%rcx, %%rcx)"); + TEST_LEAQ("(%%rdx, %%rcx)"); + TEST_LEAQ("(%%rsi, %%rcx)"); + TEST_LEAQ("(%%rdi, %%rcx)"); + + TEST_LEAQ("0x40(%%rax, %%rcx)"); + TEST_LEAQ("0x4000(%%rbx, %%rdx)"); + + TEST_LEAQ("(%%rcx, %%rcx, 2)"); + TEST_LEAQ("(%%rdx, %%rcx, 4)"); + TEST_LEAQ("(%%rsi, %%rcx, 8)"); + + TEST_LEAQ("(,%%rax, 2)"); + TEST_LEAQ("(,%%rbx, 4)"); + TEST_LEAQ("(,%%rcx, 8)"); + + TEST_LEAQ("0x40(,%%rax, 2)"); + TEST_LEAQ("0x40(,%%rbx, 4)"); + TEST_LEAQ("0x40(,%%rcx, 8)"); + + + TEST_LEAQ("-10(%%rcx, %%rcx, 2)"); + TEST_LEAQ("-10(%%rdx, %%rcx, 4)"); + TEST_LEAQ("-10(%%rsi, %%rcx, 8)"); + + TEST_LEAQ("0x4000(%%rcx, %%rcx, 2)"); + TEST_LEAQ("0x4000(%%rdx, %%rcx, 4)"); + TEST_LEAQ("0x4000(%%rsi, %%rcx, 8)"); +#else + /* limited 16 bit addressing test */ + TEST_LEA16("0x4000"); + TEST_LEA16("(%%bx)"); + TEST_LEA16("(%%si)"); + TEST_LEA16("(%%di)"); + TEST_LEA16("0x40(%%bx)"); + TEST_LEA16("0x40(%%si)"); + TEST_LEA16("0x40(%%di)"); + TEST_LEA16("0x4000(%%bx)"); + TEST_LEA16("0x4000(%%si)"); + TEST_LEA16("(%%bx,%%si)"); + TEST_LEA16("(%%bx,%%di)"); + TEST_LEA16("0x40(%%bx,%%si)"); + TEST_LEA16("0x40(%%bx,%%di)"); + TEST_LEA16("0x4000(%%bx,%%si)"); + TEST_LEA16("0x4000(%%bx,%%di)"); +#endif +} + +#define TEST_JCC(JCC, v1, v2)\ +{\ + int res;\ + asm("movl $1, %0\n\t"\ + "cmpl %2, %1\n\t"\ + "j" JCC " 1f\n\t"\ + "movl $0, %0\n\t"\ + "1:\n\t"\ + : "=r" (res)\ + : "r" (v1), "r" (v2));\ + printf("%-10s %d\n", "j" JCC, res);\ +\ + asm("movl $0, %0\n\t"\ + "cmpl %2, %1\n\t"\ + "set" JCC " %b0\n\t"\ + : "=r" (res)\ + : "r" (v1), "r" (v2));\ + printf("%-10s %d\n", "set" JCC, res);\ + if (TEST_CMOV) {\ + long val = i2l(1);\ + long res = i2l(0x12345678);\ +X86_64_ONLY(\ + asm("cmpl %2, %1\n\t"\ + "cmov" JCC "q %3, %0\n\t"\ + : "=r" (res)\ + : "r" (v1), "r" (v2), "m" (val), "0" (res));\ + printf("%-10s R=" FMTLX "\n", "cmov" JCC "q", res);)\ + asm("cmpl %2, %1\n\t"\ + "cmov" JCC "l %k3, %k0\n\t"\ + : "=r" (res)\ + : "r" (v1), "r" (v2), "m" (val), "0" (res));\ + printf("%-10s R=" FMTLX "\n", "cmov" JCC "l", res);\ + asm("cmpl %2, %1\n\t"\ + "cmov" JCC "w %w3, %w0\n\t"\ + : "=r" (res)\ + : "r" (v1), "r" (v2), "r" (1), "0" (res));\ + printf("%-10s R=" FMTLX "\n", "cmov" JCC "w", res);\ + } \ +} + +/* various jump tests */ +void test_jcc(void) +{ + TEST_JCC("ne", 1, 1); + TEST_JCC("ne", 1, 0); + + TEST_JCC("e", 1, 1); + TEST_JCC("e", 1, 0); + + TEST_JCC("l", 1, 1); + TEST_JCC("l", 1, 0); + TEST_JCC("l", 1, -1); + + TEST_JCC("le", 1, 1); + TEST_JCC("le", 1, 0); + TEST_JCC("le", 1, -1); + + TEST_JCC("ge", 1, 1); + TEST_JCC("ge", 1, 0); + TEST_JCC("ge", -1, 1); + + TEST_JCC("g", 1, 1); + TEST_JCC("g", 1, 0); + TEST_JCC("g", 1, -1); + + TEST_JCC("b", 1, 1); + TEST_JCC("b", 1, 0); + TEST_JCC("b", 1, -1); + + TEST_JCC("be", 1, 1); + TEST_JCC("be", 1, 0); + TEST_JCC("be", 1, -1); + + TEST_JCC("ae", 1, 1); + TEST_JCC("ae", 1, 0); + TEST_JCC("ae", 1, -1); + + TEST_JCC("a", 1, 1); + TEST_JCC("a", 1, 0); + TEST_JCC("a", 1, -1); + + + TEST_JCC("p", 1, 1); + TEST_JCC("p", 1, 0); + + TEST_JCC("np", 1, 1); + TEST_JCC("np", 1, 0); + + TEST_JCC("o", 0x7fffffff, 0); + TEST_JCC("o", 0x7fffffff, -1); + + TEST_JCC("no", 0x7fffffff, 0); + TEST_JCC("no", 0x7fffffff, -1); + + TEST_JCC("s", 0, 1); + TEST_JCC("s", 0, -1); + TEST_JCC("s", 0, 0); + + TEST_JCC("ns", 0, 1); + TEST_JCC("ns", 0, -1); + TEST_JCC("ns", 0, 0); +} + +#define TEST_LOOP(insn) \ +{\ + for(i = 0; i < sizeof(ecx_vals) / sizeof(long); i++) {\ + ecx = ecx_vals[i];\ + for(zf = 0; zf < 2; zf++) {\ + asm("test %2, %2\n\t"\ + "movl $1, %0\n\t"\ + insn " 1f\n\t" \ + "movl $0, %0\n\t"\ + "1:\n\t"\ + : "=a" (res)\ + : "c" (ecx), "b" (!zf)); \ + printf("%-10s ECX=" FMTLX " ZF=%ld r=%d\n", insn, ecx, zf, res); \ + }\ + }\ +} + +void test_loop(void) +{ + long ecx, zf; + const long ecx_vals[] = { + 0, + 1, + 0x10000, + 0x10001, +#if defined(__x86_64__) + 0x100000000L, + 0x100000001L, +#endif + }; + int i, res; + +#if !defined(__x86_64__) + TEST_LOOP("jcxz"); + TEST_LOOP("loopw"); + TEST_LOOP("loopzw"); + TEST_LOOP("loopnzw"); +#endif + + TEST_LOOP("jecxz"); + TEST_LOOP("loopl"); + TEST_LOOP("loopzl"); + TEST_LOOP("loopnzl"); +} + +#undef CC_MASK +#ifdef TEST_P4_FLAGS +#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A) +#else +#define CC_MASK (CC_O | CC_C) +#endif + +#define OP mul +#include "test-i386-muldiv.h" + +#define OP imul +#include "test-i386-muldiv.h" + +void test_imulw2(long op0, long op1) +{ + long res, s1, s0, flags; + s0 = op0; + s1 = op1; + res = s0; + flags = 0; + asm volatile ("push %4\n\t" + "popf\n\t" + "imulw %w2, %w0\n\t" + "pushf\n\t" + "pop %1\n\t" + : "=q" (res), "=g" (flags) + : "q" (s1), "0" (res), "1" (flags)); + printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", + "imulw", s0, s1, res, flags & CC_MASK); +} + +void test_imull2(long op0, long op1) +{ + long res, s1, s0, flags; + s0 = op0; + s1 = op1; + res = s0; + flags = 0; + asm volatile ("push %4\n\t" + "popf\n\t" + "imull %k2, %k0\n\t" + "pushf\n\t" + "pop %1\n\t" + : "=q" (res), "=g" (flags) + : "q" (s1), "0" (res), "1" (flags)); + printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", + "imull", s0, s1, res, flags & CC_MASK); +} + +#if defined(__x86_64__) +void test_imulq2(long op0, long op1) +{ + long res, s1, s0, flags; + s0 = op0; + s1 = op1; + res = s0; + flags = 0; + asm volatile ("push %4\n\t" + "popf\n\t" + "imulq %2, %0\n\t" + "pushf\n\t" + "pop %1\n\t" + : "=q" (res), "=g" (flags) + : "q" (s1), "0" (res), "1" (flags)); + printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", + "imulq", s0, s1, res, flags & CC_MASK); +} +#endif + +#define TEST_IMUL_IM(size, rsize, op0, op1)\ +{\ + long res, flags, s1;\ + flags = 0;\ + res = 0;\ + s1 = op1;\ + asm volatile ("push %3\n\t"\ + "popf\n\t"\ + "imul" size " $" #op0 ", %" rsize "2, %" rsize "0\n\t" \ + "pushf\n\t"\ + "pop %1\n\t"\ + : "=r" (res), "=g" (flags)\ + : "r" (s1), "1" (flags), "0" (res));\ + printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",\ + "imul" size " im", (long)op0, (long)op1, res, flags & CC_MASK);\ +} + + +#undef CC_MASK +#define CC_MASK (0) + +#define OP div +#include "test-i386-muldiv.h" + +#define OP idiv +#include "test-i386-muldiv.h" + +void test_mul(void) +{ + test_imulb(0x1234561d, 4); + test_imulb(3, -4); + test_imulb(0x80, 0x80); + test_imulb(0x10, 0x10); + + test_imulw(0, 0x1234001d, 45); + test_imulw(0, 23, -45); + test_imulw(0, 0x8000, 0x8000); + test_imulw(0, 0x100, 0x100); + + test_imull(0, 0x1234001d, 45); + test_imull(0, 23, -45); + test_imull(0, 0x80000000, 0x80000000); + test_imull(0, 0x10000, 0x10000); + + test_mulb(0x1234561d, 4); + test_mulb(3, -4); + test_mulb(0x80, 0x80); + test_mulb(0x10, 0x10); + + test_mulw(0, 0x1234001d, 45); + test_mulw(0, 23, -45); + test_mulw(0, 0x8000, 0x8000); + test_mulw(0, 0x100, 0x100); + + test_mull(0, 0x1234001d, 45); + test_mull(0, 23, -45); + test_mull(0, 0x80000000, 0x80000000); + test_mull(0, 0x10000, 0x10000); + + test_imulw2(0x1234001d, 45); + test_imulw2(23, -45); + test_imulw2(0x8000, 0x8000); + test_imulw2(0x100, 0x100); + + test_imull2(0x1234001d, 45); + test_imull2(23, -45); + test_imull2(0x80000000, 0x80000000); + test_imull2(0x10000, 0x10000); + + TEST_IMUL_IM("w", "w", 45, 0x1234); + TEST_IMUL_IM("w", "w", -45, 23); + TEST_IMUL_IM("w", "w", 0x8000, 0x80000000); + TEST_IMUL_IM("w", "w", 0x7fff, 0x1000); + + TEST_IMUL_IM("l", "k", 45, 0x1234); + TEST_IMUL_IM("l", "k", -45, 23); + TEST_IMUL_IM("l", "k", 0x8000, 0x80000000); + TEST_IMUL_IM("l", "k", 0x7fff, 0x1000); + + test_idivb(0x12341678, 0x127e); + test_idivb(0x43210123, -5); + test_idivb(0x12340004, -1); + + test_idivw(0, 0x12345678, 12347); + test_idivw(0, -23223, -45); + test_idivw(0, 0x12348000, -1); + test_idivw(0x12343, 0x12345678, 0x81238567); + + test_idivl(0, 0x12345678, 12347); + test_idivl(0, -233223, -45); + test_idivl(0, 0x80000000, -1); + test_idivl(0x12343, 0x12345678, 0x81234567); + + test_divb(0x12341678, 0x127e); + test_divb(0x43210123, -5); + test_divb(0x12340004, -1); + + test_divw(0, 0x12345678, 12347); + test_divw(0, -23223, -45); + test_divw(0, 0x12348000, -1); + test_divw(0x12343, 0x12345678, 0x81238567); + + test_divl(0, 0x12345678, 12347); + test_divl(0, -233223, -45); + test_divl(0, 0x80000000, -1); + test_divl(0x12343, 0x12345678, 0x81234567); + +#if defined(__x86_64__) + test_imulq(0, 0x1234001d1234001d, 45); + test_imulq(0, 23, -45); + test_imulq(0, 0x8000000000000000, 0x8000000000000000); + test_imulq(0, 0x100000000, 0x100000000); + + test_mulq(0, 0x1234001d1234001d, 45); + test_mulq(0, 23, -45); + test_mulq(0, 0x8000000000000000, 0x8000000000000000); + test_mulq(0, 0x100000000, 0x100000000); + + test_imulq2(0x1234001d1234001d, 45); + test_imulq2(23, -45); + test_imulq2(0x8000000000000000, 0x8000000000000000); + test_imulq2(0x100000000, 0x100000000); + + TEST_IMUL_IM("q", "", 45, 0x12341234); + TEST_IMUL_IM("q", "", -45, 23); + TEST_IMUL_IM("q", "", 0x8000, 0x8000000000000000); + TEST_IMUL_IM("q", "", 0x7fff, 0x10000000); + + test_idivq(0, 0x12345678abcdef, 12347); + test_idivq(0, -233223, -45); + test_idivq(0, 0x8000000000000000, -1); + test_idivq(0x12343, 0x12345678, 0x81234567); + + test_divq(0, 0x12345678abcdef, 12347); + test_divq(0, -233223, -45); + test_divq(0, 0x8000000000000000, -1); + test_divq(0x12343, 0x12345678, 0x81234567); +#endif +} + +#define TEST_BSX(op, size, op0)\ +{\ + long res, val, resz;\ + val = op0;\ + asm("xor %1, %1\n"\ + "mov $0x12345678, %0\n"\ + #op " %" size "2, %" size "0 ; setz %b1" \ + : "=&r" (res), "=&q" (resz)\ + : "r" (val));\ + printf("%-10s A=" FMTLX " R=" FMTLX " %ld\n", #op, val, res, resz);\ +} + +void test_bsx(void) +{ + TEST_BSX(bsrw, "w", 0); + TEST_BSX(bsrw, "w", 0x12340128); + TEST_BSX(bsfw, "w", 0); + TEST_BSX(bsfw, "w", 0x12340128); + TEST_BSX(bsrl, "k", 0); + TEST_BSX(bsrl, "k", 0x00340128); + TEST_BSX(bsfl, "k", 0); + TEST_BSX(bsfl, "k", 0x00340128); +#if defined(__x86_64__) + TEST_BSX(bsrq, "", 0); + TEST_BSX(bsrq, "", 0x003401281234); + TEST_BSX(bsfq, "", 0); + TEST_BSX(bsfq, "", 0x003401281234); +#endif +} + +/**********************************************/ + +union float64u { + double d; + uint64_t l; +}; + +union float64u q_nan = { .l = 0xFFF8000000000000LL }; +union float64u s_nan = { .l = 0xFFF0000000000000LL }; + +void test_fops(double a, double b) +{ + printf("a=%f b=%f a+b=%f\n", a, b, a + b); + printf("a=%f b=%f a-b=%f\n", a, b, a - b); + printf("a=%f b=%f a*b=%f\n", a, b, a * b); + printf("a=%f b=%f a/b=%f\n", a, b, a / b); + printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b)); + printf("a=%f sqrt(a)=%f\n", a, sqrt(a)); + printf("a=%f sin(a)=%f\n", a, sin(a)); + printf("a=%f cos(a)=%f\n", a, cos(a)); + printf("a=%f tan(a)=%f\n", a, tan(a)); + printf("a=%f log(a)=%f\n", a, log(a)); + printf("a=%f exp(a)=%f\n", a, exp(a)); + printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b)); + /* just to test some op combining */ + printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a))); + printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a))); + printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a))); + +} + +void fpu_clear_exceptions(void) +{ + struct __attribute__((packed)) { + uint16_t fpuc; + uint16_t dummy1; + uint16_t fpus; + uint16_t dummy2; + uint16_t fptag; + uint16_t dummy3; + uint32_t ignored[4]; + long double fpregs[8]; + } float_env32; + + asm volatile ("fnstenv %0\n" : : "m" (float_env32)); + float_env32.fpus &= ~0x7f; + asm volatile ("fldenv %0\n" : : "m" (float_env32)); +} + +/* XXX: display exception bits when supported */ +#define FPUS_EMASK 0x0000 +//#define FPUS_EMASK 0x007f + +void test_fcmp(double a, double b) +{ + long eflags, fpus; + + fpu_clear_exceptions(); + asm("fcom %2\n" + "fstsw %%ax\n" + : "=a" (fpus) + : "t" (a), "u" (b)); + printf("fcom(%f %f)=%04lx \n", + a, b, fpus & (0x4500 | FPUS_EMASK)); + fpu_clear_exceptions(); + asm("fucom %2\n" + "fstsw %%ax\n" + : "=a" (fpus) + : "t" (a), "u" (b)); + printf("fucom(%f %f)=%04lx\n", + a, b, fpus & (0x4500 | FPUS_EMASK)); + if (TEST_FCOMI) { + /* test f(u)comi instruction */ + fpu_clear_exceptions(); + asm("fcomi %3, %2\n" + "fstsw %%ax\n" + "pushf\n" + "pop %0\n" + : "=r" (eflags), "=a" (fpus) + : "t" (a), "u" (b)); + printf("fcomi(%f %f)=%04lx %02lx\n", + a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); + fpu_clear_exceptions(); + asm("fucomi %3, %2\n" + "fstsw %%ax\n" + "pushf\n" + "pop %0\n" + : "=r" (eflags), "=a" (fpus) + : "t" (a), "u" (b)); + printf("fucomi(%f %f)=%04lx %02lx\n", + a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); + } + fpu_clear_exceptions(); + asm volatile("fxam\n" + "fstsw %%ax\n" + : "=a" (fpus) + : "t" (a)); + printf("fxam(%f)=%04lx\n", a, fpus & 0x4700); + fpu_clear_exceptions(); +} + +void test_fcvt(double a) +{ + float fa; + long double la; + int16_t fpuc; + int i; + int64_t lla; + int ia; + int16_t wa; + double ra; + + fa = a; + la = a; + printf("(float)%f = %f\n", a, fa); + printf("(long double)%f = %Lf\n", a, la); + printf("a=" FMT64X "\n", *(uint64_t *)&a); + printf("la=" FMT64X " %04x\n", *(uint64_t *)&la, + *(unsigned short *)((char *)(&la) + 8)); + + /* test all roundings */ + asm volatile ("fstcw %0" : "=m" (fpuc)); + for(i=0;i<4;i++) { + uint16_t val16; + val16 = (fpuc & ~0x0c00) | (i << 10); + asm volatile ("fldcw %0" : : "m" (val16)); + asm volatile ("fist %0" : "=m" (wa) : "t" (a)); + asm volatile ("fistl %0" : "=m" (ia) : "t" (a)); + asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st"); + asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a)); + asm volatile ("fldcw %0" : : "m" (fpuc)); + printf("(short)a = %d\n", wa); + printf("(int)a = %d\n", ia); + printf("(int64_t)a = " FMT64X "\n", lla); + printf("rint(a) = %f\n", ra); + } +} + +#define TEST(N) \ + asm("fld" #N : "=t" (a)); \ + printf("fld" #N "= %f\n", a); + +void test_fconst(void) +{ + double a; + TEST(1); + TEST(l2t); + TEST(l2e); + TEST(pi); + TEST(lg2); + TEST(ln2); + TEST(z); +} + +void test_fbcd(double a) +{ + unsigned short bcd[5]; + double b; + + asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); + asm("fbld %1" : "=t" (b) : "m" (bcd[0])); + printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n", + a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); +} + +#define TEST_ENV(env, save, restore)\ +{\ + memset((env), 0xaa, sizeof(*(env)));\ + for(i=0;i<5;i++)\ + asm volatile ("fldl %0" : : "m" (dtab[i]));\ + asm volatile (save " %0\n" : : "m" (*(env)));\ + asm volatile (restore " %0\n": : "m" (*(env)));\ + for(i=0;i<5;i++)\ + asm volatile ("fstpl %0" : "=m" (rtab[i]));\ + for(i=0;i<5;i++)\ + printf("res[%d]=%f\n", i, rtab[i]);\ + printf("fpuc=%04x fpus=%04x fptag=%04x\n",\ + (env)->fpuc,\ + (env)->fpus & 0xff00,\ + (env)->fptag);\ +} + +void test_fenv(void) +{ + struct __attribute__((packed)) { + uint16_t fpuc; + uint16_t dummy1; + uint16_t fpus; + uint16_t dummy2; + uint16_t fptag; + uint16_t dummy3; + uint32_t ignored[4]; + long double fpregs[8]; + } float_env32; + struct __attribute__((packed)) { + uint16_t fpuc; + uint16_t fpus; + uint16_t fptag; + uint16_t ignored[4]; + long double fpregs[8]; + } float_env16; + double dtab[8]; + double rtab[8]; + int i; + + for(i=0;i<8;i++) + dtab[i] = i + 1; + + TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv"); + TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); + TEST_ENV(&float_env32, "fnstenv", "fldenv"); + TEST_ENV(&float_env32, "fnsave", "frstor"); + + /* test for ffree */ + for(i=0;i<5;i++) + asm volatile ("fldl %0" : : "m" (dtab[i])); + asm volatile("ffree %st(2)"); + asm volatile ("fnstenv %0\n" : : "m" (float_env32)); + asm volatile ("fninit"); + printf("fptag=%04x\n", float_env32.fptag); +} + + +#define TEST_FCMOV(a, b, eflags, CC)\ +{\ + double res;\ + asm("push %3\n"\ + "popf\n"\ + "fcmov" CC " %2, %0\n"\ + : "=t" (res)\ + : "0" (a), "u" (b), "g" (eflags));\ + printf("fcmov%s eflags=0x%04lx-> %f\n", \ + CC, (long)eflags, res);\ +} + +void test_fcmov(void) +{ + double a, b; + long eflags, i; + + a = 1.0; + b = 2.0; + for(i = 0; i < 4; i++) { + eflags = 0; + if (i & 1) + eflags |= CC_C; + if (i & 2) + eflags |= CC_Z; + TEST_FCMOV(a, b, eflags, "b"); + TEST_FCMOV(a, b, eflags, "e"); + TEST_FCMOV(a, b, eflags, "be"); + TEST_FCMOV(a, b, eflags, "nb"); + TEST_FCMOV(a, b, eflags, "ne"); + TEST_FCMOV(a, b, eflags, "nbe"); + } + TEST_FCMOV(a, b, 0, "u"); + TEST_FCMOV(a, b, CC_P, "u"); + TEST_FCMOV(a, b, 0, "nu"); + TEST_FCMOV(a, b, CC_P, "nu"); +} + +void test_floats(void) +{ + test_fops(2, 3); + test_fops(1.4, -5); + test_fcmp(2, -1); + test_fcmp(2, 2); + test_fcmp(2, 3); + test_fcmp(2, q_nan.d); + test_fcmp(q_nan.d, -1); + test_fcmp(-1.0/0.0, -1); + test_fcmp(1.0/0.0, -1); + test_fcvt(0.5); + test_fcvt(-0.5); + test_fcvt(1.0/7.0); + test_fcvt(-1.0/9.0); + test_fcvt(32768); + test_fcvt(-1e20); + test_fcvt(-1.0/0.0); + test_fcvt(1.0/0.0); + test_fcvt(q_nan.d); + test_fconst(); + test_fbcd(1234567890123456.0); + test_fbcd(-123451234567890.0); + test_fenv(); + if (TEST_CMOV) { + test_fcmov(); + } +} + +/**********************************************/ +#if !defined(__x86_64__) + +#define TEST_BCD(op, op0, cc_in, cc_mask)\ +{\ + int res, flags;\ + res = op0;\ + flags = cc_in;\ + asm ("push %3\n\t"\ + "popf\n\t"\ + #op "\n\t"\ + "pushf\n\t"\ + "pop %1\n\t"\ + : "=a" (res), "=g" (flags)\ + : "0" (res), "1" (flags));\ + printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\ + #op, op0, res, cc_in, flags & cc_mask);\ +} + +void test_bcd(void) +{ + TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + + TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); + + TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A)); + TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A)); + TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A)); + TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A)); + TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); + TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); + TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); + TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); + + TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A)); + TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A)); + TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A)); + TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A)); + TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); + TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); + TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); + TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); + + TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)); + TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)); +} +#endif + +#define TEST_XCHG(op, size, opconst)\ +{\ + long op0, op1;\ + op0 = i2l(0x12345678);\ + op1 = i2l(0xfbca7654);\ + asm(#op " %" size "0, %" size "1" \ + : "=q" (op0), opconst (op1) \ + : "0" (op0));\ + printf("%-10s A=" FMTLX " B=" FMTLX "\n",\ + #op, op0, op1);\ +} + +#define TEST_CMPXCHG(op, size, opconst, eax)\ +{\ + long op0, op1, op2;\ + op0 = i2l(0x12345678);\ + op1 = i2l(0xfbca7654);\ + op2 = i2l(eax);\ + asm(#op " %" size "0, %" size "1" \ + : "=q" (op0), opconst (op1) \ + : "0" (op0), "a" (op2));\ + printf("%-10s EAX=" FMTLX " A=" FMTLX " C=" FMTLX "\n",\ + #op, op2, op0, op1);\ +} + +void test_xchg(void) +{ +#if defined(__x86_64__) + TEST_XCHG(xchgq, "", "+q"); +#endif + TEST_XCHG(xchgl, "k", "+q"); + TEST_XCHG(xchgw, "w", "+q"); + TEST_XCHG(xchgb, "b", "+q"); + +#if defined(__x86_64__) + TEST_XCHG(xchgq, "", "=m"); +#endif + TEST_XCHG(xchgl, "k", "+m"); + TEST_XCHG(xchgw, "w", "+m"); + TEST_XCHG(xchgb, "b", "+m"); + +#if defined(__x86_64__) + TEST_XCHG(xaddq, "", "+q"); +#endif + TEST_XCHG(xaddl, "k", "+q"); + TEST_XCHG(xaddw, "w", "+q"); + TEST_XCHG(xaddb, "b", "+q"); + + { + int res; + res = 0x12345678; + asm("xaddl %1, %0" : "=r" (res) : "0" (res)); + printf("xaddl same res=%08x\n", res); + } + +#if defined(__x86_64__) + TEST_XCHG(xaddq, "", "+m"); +#endif + TEST_XCHG(xaddl, "k", "+m"); + TEST_XCHG(xaddw, "w", "+m"); + TEST_XCHG(xaddb, "b", "+m"); + +#if defined(__x86_64__) + TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfbca7654); +#endif + TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfbca7654); + TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfbca7654); + TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfbca7654); + +#if defined(__x86_64__) + TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfffefdfc); +#endif + TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfffefdfc); + +#if defined(__x86_64__) + TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfbca7654); +#endif + TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfbca7654); + TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfbca7654); + TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfbca7654); + +#if defined(__x86_64__) + TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfffefdfc); +#endif + TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfffefdfc); + TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfffefdfc); + + { + uint64_t op0, op1, op2; + long eax, edx; + long i, eflags; + + for(i = 0; i < 2; i++) { + op0 = 0x123456789abcdLL; + eax = i2l(op0 & 0xffffffff); + edx = i2l(op0 >> 32); + if (i == 0) + op1 = 0xfbca765423456LL; + else + op1 = op0; + op2 = 0x6532432432434LL; + asm("cmpxchg8b %2\n" + "pushf\n" + "pop %3\n" + : "=a" (eax), "=d" (edx), "=m" (op1), "=g" (eflags) + : "0" (eax), "1" (edx), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32))); + printf("cmpxchg8b: eax=" FMTLX " edx=" FMTLX " op1=" FMT64X " CC=%02lx\n", + eax, edx, op1, eflags & CC_Z); + } + } +} + +#ifdef TEST_SEGS +/**********************************************/ +/* segmentation tests */ + +#include +#include +#include +#include + +static inline int modify_ldt(int func, void * ptr, unsigned long bytecount) +{ + return syscall(__NR_modify_ldt, func, ptr, bytecount); +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66) +#define modify_ldt_ldt_s user_desc +#endif + +#define MK_SEL(n) (((n) << 3) | 7) + +uint8_t seg_data1[4096]; +uint8_t seg_data2[4096]; + +#define TEST_LR(op, size, seg, mask)\ +{\ + int res, res2;\ + uint16_t mseg = seg;\ + res = 0x12345678;\ + asm (op " %" size "2, %" size "0\n" \ + "movl $0, %1\n"\ + "jnz 1f\n"\ + "movl $1, %1\n"\ + "1:\n"\ + : "=r" (res), "=r" (res2) : "m" (mseg), "0" (res));\ + printf(op ": Z=%d %08x\n", res2, res & ~(mask));\ +} + +#define TEST_ARPL(op, size, op1, op2)\ +{\ + long a, b, c; \ + a = (op1); \ + b = (op2); \ + asm volatile(op " %" size "3, %" size "0\n"\ + "movl $0,%1\n"\ + "jnz 1f\n"\ + "movl $1,%1\n"\ + "1:\n"\ + : "=r" (a), "=r" (c) : "0" (a), "r" (b)); \ + printf(op size " A=" FMTLX " B=" FMTLX " R=" FMTLX " z=%ld\n",\ + (long)(op1), (long)(op2), a, c);\ +} + +/* NOTE: we use Linux modify_ldt syscall */ +void test_segs(void) +{ + struct modify_ldt_ldt_s ldt; + long long ldt_table[3]; + int res, res2; + char tmp; + struct { + uint32_t offset; + uint16_t seg; + } __attribute__((packed)) segoff; + + ldt.entry_number = 1; + ldt.base_addr = (unsigned long)&seg_data1; + ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; + ldt.seg_32bit = 1; + ldt.contents = MODIFY_LDT_CONTENTS_DATA; + ldt.read_exec_only = 0; + ldt.limit_in_pages = 1; + ldt.seg_not_present = 0; + ldt.useable = 1; + modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ + + ldt.entry_number = 2; + ldt.base_addr = (unsigned long)&seg_data2; + ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; + ldt.seg_32bit = 1; + ldt.contents = MODIFY_LDT_CONTENTS_DATA; + ldt.read_exec_only = 0; + ldt.limit_in_pages = 1; + ldt.seg_not_present = 0; + ldt.useable = 1; + modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ + + modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ +#if 0 + { + int i; + for(i=0;i<3;i++) + printf("%d: %016Lx\n", i, ldt_table[i]); + } +#endif + /* do some tests with fs or gs */ + asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); + + seg_data1[1] = 0xaa; + seg_data2[1] = 0x55; + + asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); + printf("FS[1] = %02x\n", res); + + asm volatile ("pushl %%gs\n" + "movl %1, %%gs\n" + "gs movzbl 0x1, %0\n" + "popl %%gs\n" + : "=r" (res) + : "r" (MK_SEL(2))); + printf("GS[1] = %02x\n", res); + + /* tests with ds/ss (implicit segment case) */ + tmp = 0xa5; + asm volatile ("pushl %%ebp\n\t" + "pushl %%ds\n\t" + "movl %2, %%ds\n\t" + "movl %3, %%ebp\n\t" + "movzbl 0x1, %0\n\t" + "movzbl (%%ebp), %1\n\t" + "popl %%ds\n\t" + "popl %%ebp\n\t" + : "=r" (res), "=r" (res2) + : "r" (MK_SEL(1)), "r" (&tmp)); + printf("DS[1] = %02x\n", res); + printf("SS[tmp] = %02x\n", res2); + + segoff.seg = MK_SEL(2); + segoff.offset = 0xabcdef12; + asm volatile("lfs %2, %0\n\t" + "movl %%fs, %1\n\t" + : "=r" (res), "=g" (res2) + : "m" (segoff)); + printf("FS:reg = %04x:%08x\n", res2, res); + + TEST_LR("larw", "w", MK_SEL(2), 0x0100); + TEST_LR("larl", "", MK_SEL(2), 0x0100); + TEST_LR("lslw", "w", MK_SEL(2), 0); + TEST_LR("lsll", "", MK_SEL(2), 0); + + TEST_LR("larw", "w", 0xfff8, 0); + TEST_LR("larl", "", 0xfff8, 0); + TEST_LR("lslw", "w", 0xfff8, 0); + TEST_LR("lsll", "", 0xfff8, 0); + + TEST_ARPL("arpl", "w", 0x12345678 | 3, 0x762123c | 1); + TEST_ARPL("arpl", "w", 0x12345678 | 1, 0x762123c | 3); + TEST_ARPL("arpl", "w", 0x12345678 | 1, 0x762123c | 1); +} + +/* 16 bit code test */ +extern char code16_start, code16_end; +extern char code16_func1; +extern char code16_func2; +extern char code16_func3; + +void test_code16(void) +{ + struct modify_ldt_ldt_s ldt; + int res, res2; + + /* build a code segment */ + ldt.entry_number = 1; + ldt.base_addr = (unsigned long)&code16_start; + ldt.limit = &code16_end - &code16_start; + ldt.seg_32bit = 0; + ldt.contents = MODIFY_LDT_CONTENTS_CODE; + ldt.read_exec_only = 0; + ldt.limit_in_pages = 0; + ldt.seg_not_present = 0; + ldt.useable = 1; + modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ + + /* call the first function */ + asm volatile ("lcall %1, %2" + : "=a" (res) + : "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc"); + printf("func1() = 0x%08x\n", res); + asm volatile ("lcall %2, %3" + : "=a" (res), "=c" (res2) + : "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc"); + printf("func2() = 0x%08x spdec=%d\n", res, res2); + asm volatile ("lcall %1, %2" + : "=a" (res) + : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc"); + printf("func3() = 0x%08x\n", res); +} +#endif + +#if defined(__x86_64__) +asm(".globl func_lret\n" + "func_lret:\n" + "movl $0x87654641, %eax\n" + "lretq\n"); +#else +asm(".globl func_lret\n" + "func_lret:\n" + "movl $0x87654321, %eax\n" + "lret\n" + + ".globl func_iret\n" + "func_iret:\n" + "movl $0xabcd4321, %eax\n" + "iret\n"); +#endif + +extern char func_lret; +extern char func_iret; + +void test_misc(void) +{ + char table[256]; + long res, i; + + for(i=0;i<256;i++) table[i] = 256 - i; + res = 0x12345678; + asm ("xlat" : "=a" (res) : "b" (table), "0" (res)); + printf("xlat: EAX=" FMTLX "\n", res); + +#if defined(__x86_64__) +#if 0 + { + /* XXX: see if Intel Core2 and AMD64 behavior really + differ. Here we implemented the Intel way which is not + compatible yet with QEMU. */ + static struct __attribute__((packed)) { + uint64_t offset; + uint16_t seg; + } desc; + long cs_sel; + + asm volatile ("mov %%cs, %0" : "=r" (cs_sel)); + + asm volatile ("push %1\n" + "call func_lret\n" + : "=a" (res) + : "r" (cs_sel) : "memory", "cc"); + printf("func_lret=" FMTLX "\n", res); + + desc.offset = (long)&func_lret; + desc.seg = cs_sel; + + asm volatile ("xor %%rax, %%rax\n" + "rex64 lcall *(%%rcx)\n" + : "=a" (res) + : "c" (&desc) + : "memory", "cc"); + printf("func_lret2=" FMTLX "\n", res); + + asm volatile ("push %2\n" + "mov $ 1f, %%rax\n" + "push %%rax\n" + "rex64 ljmp *(%%rcx)\n" + "1:\n" + : "=a" (res) + : "c" (&desc), "b" (cs_sel) + : "memory", "cc"); + printf("func_lret3=" FMTLX "\n", res); + } +#endif +#else + asm volatile ("push %%cs ; call %1" + : "=a" (res) + : "m" (func_lret): "memory", "cc"); + printf("func_lret=" FMTLX "\n", res); + + asm volatile ("pushf ; push %%cs ; call %1" + : "=a" (res) + : "m" (func_iret): "memory", "cc"); + printf("func_iret=" FMTLX "\n", res); +#endif + +#if defined(__x86_64__) + /* specific popl test */ + asm volatile ("push $12345432 ; push $0x9abcdef ; pop (%%rsp) ; pop %0" + : "=g" (res)); + printf("popl esp=" FMTLX "\n", res); +#else + /* specific popl test */ + asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0" + : "=g" (res)); + printf("popl esp=" FMTLX "\n", res); + + /* specific popw test */ + asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0" + : "=g" (res)); + printf("popw esp=" FMTLX "\n", res); +#endif +} + +uint8_t str_buffer[4096]; + +#define TEST_STRING1(OP, size, DF, REP)\ +{\ + long esi, edi, eax, ecx, eflags;\ +\ + esi = (long)(str_buffer + sizeof(str_buffer) / 2);\ + edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\ + eax = i2l(0x12345678);\ + ecx = 17;\ +\ + asm volatile ("push $0\n\t"\ + "popf\n\t"\ + DF "\n\t"\ + REP #OP size "\n\t"\ + "cld\n\t"\ + "pushf\n\t"\ + "pop %4\n\t"\ + : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\ + : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\ + printf("%-10s ESI=" FMTLX " EDI=" FMTLX " EAX=" FMTLX " ECX=" FMTLX " EFL=%04x\n",\ + REP #OP size, esi, edi, eax, ecx,\ + (int)(eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)));\ +} + +#define TEST_STRING(OP, REP)\ + TEST_STRING1(OP, "b", "", REP);\ + TEST_STRING1(OP, "w", "", REP);\ + TEST_STRING1(OP, "l", "", REP);\ + X86_64_ONLY(TEST_STRING1(OP, "q", "", REP));\ + TEST_STRING1(OP, "b", "std", REP);\ + TEST_STRING1(OP, "w", "std", REP);\ + TEST_STRING1(OP, "l", "std", REP);\ + X86_64_ONLY(TEST_STRING1(OP, "q", "std", REP)) + +void test_string(void) +{ + int i; + for(i = 0;i < sizeof(str_buffer); i++) + str_buffer[i] = i + 0x56; + TEST_STRING(stos, ""); + TEST_STRING(stos, "rep "); + TEST_STRING(lods, ""); /* to verify stos */ + TEST_STRING(lods, "rep "); + TEST_STRING(movs, ""); + TEST_STRING(movs, "rep "); + TEST_STRING(lods, ""); /* to verify stos */ + + /* XXX: better tests */ + TEST_STRING(scas, ""); + TEST_STRING(scas, "repz "); + TEST_STRING(scas, "repnz "); + TEST_STRING(cmps, ""); + TEST_STRING(cmps, "repz "); + TEST_STRING(cmps, "repnz "); +} + +#ifdef TEST_VM86 +/* VM86 test */ + +static inline void set_bit(uint8_t *a, unsigned int bit) +{ + a[bit / 8] |= (1 << (bit % 8)); +} + +static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) +{ + return (uint8_t *)((seg << 4) + (reg & 0xffff)); +} + +static inline void pushw(struct vm86_regs *r, int val) +{ + r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); + *(uint16_t *)seg_to_linear(r->ss, r->esp) = val; +} + +static inline int vm86(int func, struct vm86plus_struct *v86) +{ + return syscall(__NR_vm86, func, v86); +} + +extern char vm86_code_start; +extern char vm86_code_end; + +#define VM86_CODE_CS 0x100 +#define VM86_CODE_IP 0x100 + +void test_vm86(void) +{ + struct vm86plus_struct ctx; + struct vm86_regs *r; + uint8_t *vm86_mem; + int seg, ret; + + vm86_mem = mmap((void *)0x00000000, 0x110000, + PROT_WRITE | PROT_READ | PROT_EXEC, + MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); + if (vm86_mem == MAP_FAILED) { + printf("ERROR: could not map vm86 memory"); + return; + } + memset(&ctx, 0, sizeof(ctx)); + + /* init basic registers */ + r = &ctx.regs; + r->eip = VM86_CODE_IP; + r->esp = 0xfffe; + seg = VM86_CODE_CS; + r->cs = seg; + r->ss = seg; + r->ds = seg; + r->es = seg; + r->fs = seg; + r->gs = seg; + r->eflags = VIF_MASK; + + /* move code to proper address. We use the same layout as a .com + dos program. */ + memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP, + &vm86_code_start, &vm86_code_end - &vm86_code_start); + + /* mark int 0x21 as being emulated */ + set_bit((uint8_t *)&ctx.int_revectored, 0x21); + + for(;;) { + ret = vm86(VM86_ENTER, &ctx); + switch(VM86_TYPE(ret)) { + case VM86_INTx: + { + int int_num, ah, v; + + int_num = VM86_ARG(ret); + if (int_num != 0x21) + goto unknown_int; + ah = (r->eax >> 8) & 0xff; + switch(ah) { + case 0x00: /* exit */ + goto the_end; + case 0x02: /* write char */ + { + uint8_t c = r->edx; + putchar(c); + } + break; + case 0x09: /* write string */ + { + uint8_t c, *ptr; + ptr = seg_to_linear(r->ds, r->edx); + for(;;) { + c = *ptr++; + if (c == '$') + break; + putchar(c); + } + r->eax = (r->eax & ~0xff) | '$'; + } + break; + case 0xff: /* extension: write eflags number in edx */ + v = (int)r->edx; +#ifndef LINUX_VM86_IOPL_FIX + v &= ~0x3000; +#endif + printf("%08x\n", v); + break; + default: + unknown_int: + printf("unsupported int 0x%02x\n", int_num); + goto the_end; + } + } + break; + case VM86_SIGNAL: + /* a signal came, we just ignore that */ + break; + case VM86_STI: + break; + default: + printf("ERROR: unhandled vm86 return code (0x%x)\n", ret); + goto the_end; + } + } + the_end: + printf("VM86 end\n"); + munmap(vm86_mem, 0x110000); +} +#endif + +/* exception tests */ +#if defined(__i386__) && !defined(REG_EAX) +#define REG_EAX EAX +#define REG_EBX EBX +#define REG_ECX ECX +#define REG_EDX EDX +#define REG_ESI ESI +#define REG_EDI EDI +#define REG_EBP EBP +#define REG_ESP ESP +#define REG_EIP EIP +#define REG_EFL EFL +#define REG_TRAPNO TRAPNO +#define REG_ERR ERR +#endif + +#if defined(__x86_64__) +#define REG_EIP REG_RIP +#endif + +jmp_buf jmp_env; +int v1; +int tab[2]; + +void sig_handler(int sig, siginfo_t *info, void *puc) +{ + struct ucontext *uc = puc; + + printf("si_signo=%d si_errno=%d si_code=%d", + info->si_signo, info->si_errno, info->si_code); + printf(" si_addr=0x%08lx", + (unsigned long)info->si_addr); + printf("\n"); + + printf("trapno=" FMTLX " err=" FMTLX, + (long)uc->uc_mcontext.gregs[REG_TRAPNO], + (long)uc->uc_mcontext.gregs[REG_ERR]); + printf(" EIP=" FMTLX, (long)uc->uc_mcontext.gregs[REG_EIP]); + printf("\n"); + longjmp(jmp_env, 1); +} + +void test_exceptions(void) +{ + struct sigaction act; + volatile int val; + + act.sa_sigaction = sig_handler; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_SIGINFO | SA_NODEFER; + sigaction(SIGFPE, &act, NULL); + sigaction(SIGILL, &act, NULL); + sigaction(SIGSEGV, &act, NULL); + sigaction(SIGBUS, &act, NULL); + sigaction(SIGTRAP, &act, NULL); + + /* test division by zero reporting */ + printf("DIVZ exception:\n"); + if (setjmp(jmp_env) == 0) { + /* now divide by zero */ + v1 = 0; + v1 = 2 / v1; + } + +#if !defined(__x86_64__) + printf("BOUND exception:\n"); + if (setjmp(jmp_env) == 0) { + /* bound exception */ + tab[0] = 1; + tab[1] = 10; + asm volatile ("bound %0, %1" : : "r" (11), "m" (tab[0])); + } +#endif + +#ifdef TEST_SEGS + printf("segment exceptions:\n"); + if (setjmp(jmp_env) == 0) { + /* load an invalid segment */ + asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1)); + } + if (setjmp(jmp_env) == 0) { + /* null data segment is valid */ + asm volatile ("movl %0, %%fs" : : "r" (3)); + /* null stack segment */ + asm volatile ("movl %0, %%ss" : : "r" (3)); + } + + { + struct modify_ldt_ldt_s ldt; + ldt.entry_number = 1; + ldt.base_addr = (unsigned long)&seg_data1; + ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; + ldt.seg_32bit = 1; + ldt.contents = MODIFY_LDT_CONTENTS_DATA; + ldt.read_exec_only = 0; + ldt.limit_in_pages = 1; + ldt.seg_not_present = 1; + ldt.useable = 1; + modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ + + if (setjmp(jmp_env) == 0) { + /* segment not present */ + asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); + } + } +#endif + + /* test SEGV reporting */ + printf("PF exception:\n"); + if (setjmp(jmp_env) == 0) { + val = 1; + /* we add a nop to test a weird PC retrieval case */ + asm volatile ("nop"); + /* now store in an invalid address */ + *(char *)0x1234 = 1; + } + + /* test SEGV reporting */ + printf("PF exception:\n"); + if (setjmp(jmp_env) == 0) { + val = 1; + /* read from an invalid address */ + v1 = *(char *)0x1234; + } + + /* test illegal instruction reporting */ + printf("UD2 exception:\n"); + if (setjmp(jmp_env) == 0) { + /* now execute an invalid instruction */ + asm volatile("ud2"); + } + printf("lock nop exception:\n"); + if (setjmp(jmp_env) == 0) { + /* now execute an invalid instruction */ + asm volatile("lock nop"); + } + + printf("INT exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("int $0xfd"); + } + if (setjmp(jmp_env) == 0) { + asm volatile ("int $0x01"); + } + if (setjmp(jmp_env) == 0) { + asm volatile (".byte 0xcd, 0x03"); + } + if (setjmp(jmp_env) == 0) { + asm volatile ("int $0x04"); + } + if (setjmp(jmp_env) == 0) { + asm volatile ("int $0x05"); + } + + printf("INT3 exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("int3"); + } + + printf("CLI exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("cli"); + } + + printf("STI exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("cli"); + } + +#if !defined(__x86_64__) + printf("INTO exception:\n"); + if (setjmp(jmp_env) == 0) { + /* overflow exception */ + asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff)); + } +#endif + + printf("OUTB exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0)); + } + + printf("INB exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321)); + } + + printf("REP OUTSB exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1)); + } + + printf("REP INSB exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1)); + } + + printf("HLT exception:\n"); + if (setjmp(jmp_env) == 0) { + asm volatile ("hlt"); + } + + printf("single step exception:\n"); + val = 0; + if (setjmp(jmp_env) == 0) { + asm volatile ("pushf\n" + "orl $0x00100, (%%esp)\n" + "popf\n" + "movl $0xabcd, %0\n" + "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory"); + } + printf("val=0x%x\n", val); +} + +#if !defined(__x86_64__) +/* specific precise single step test */ +void sig_trap_handler(int sig, siginfo_t *info, void *puc) +{ + struct ucontext *uc = puc; + printf("EIP=" FMTLX "\n", (long)uc->uc_mcontext.gregs[REG_EIP]); +} + +const uint8_t sstep_buf1[4] = { 1, 2, 3, 4}; +uint8_t sstep_buf2[4]; + +void test_single_step(void) +{ + struct sigaction act; + volatile int val; + int i; + + val = 0; + act.sa_sigaction = sig_trap_handler; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_SIGINFO; + sigaction(SIGTRAP, &act, NULL); + asm volatile ("pushf\n" + "orl $0x00100, (%%esp)\n" + "popf\n" + "movl $0xabcd, %0\n" + + /* jmp test */ + "movl $3, %%ecx\n" + "1:\n" + "addl $1, %0\n" + "decl %%ecx\n" + "jnz 1b\n" + + /* movsb: the single step should stop at each movsb iteration */ + "movl $sstep_buf1, %%esi\n" + "movl $sstep_buf2, %%edi\n" + "movl $0, %%ecx\n" + "rep movsb\n" + "movl $3, %%ecx\n" + "rep movsb\n" + "movl $1, %%ecx\n" + "rep movsb\n" + + /* cmpsb: the single step should stop at each cmpsb iteration */ + "movl $sstep_buf1, %%esi\n" + "movl $sstep_buf2, %%edi\n" + "movl $0, %%ecx\n" + "rep cmpsb\n" + "movl $4, %%ecx\n" + "rep cmpsb\n" + + /* getpid() syscall: single step should skip one + instruction */ + "movl $20, %%eax\n" + "int $0x80\n" + "movl $0, %%eax\n" + + /* when modifying SS, trace is not done on the next + instruction */ + "movl %%ss, %%ecx\n" + "movl %%ecx, %%ss\n" + "addl $1, %0\n" + "movl $1, %%eax\n" + "movl %%ecx, %%ss\n" + "jmp 1f\n" + "addl $1, %0\n" + "1:\n" + "movl $1, %%eax\n" + "pushl %%ecx\n" + "popl %%ss\n" + "addl $1, %0\n" + "movl $1, %%eax\n" + + "pushf\n" + "andl $~0x00100, (%%esp)\n" + "popf\n" + : "=m" (val) + : + : "cc", "memory", "eax", "ecx", "esi", "edi"); + printf("val=%d\n", val); + for(i = 0; i < 4; i++) + printf("sstep_buf2[%d] = %d\n", i, sstep_buf2[i]); +} + +/* self modifying code test */ +uint8_t code[] = { + 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */ + 0xc3, /* ret */ +}; + +asm(".section \".data\"\n" + "smc_code2:\n" + "movl 4(%esp), %eax\n" + "movl %eax, smc_patch_addr2 + 1\n" + "nop\n" + "nop\n" + "nop\n" + "nop\n" + "nop\n" + "nop\n" + "nop\n" + "nop\n" + "smc_patch_addr2:\n" + "movl $1, %eax\n" + "ret\n" + ".previous\n" + ); + +typedef int FuncType(void); +extern int smc_code2(int); +void test_self_modifying_code(void) +{ + int i; + printf("self modifying code:\n"); + printf("func1 = 0x%x\n", ((FuncType *)code)()); + for(i = 2; i <= 4; i++) { + code[1] = i; + printf("func%d = 0x%x\n", i, ((FuncType *)code)()); + } + + /* more difficult test : the modified code is just after the + modifying instruction. It is forbidden in Intel specs, but it + is used by old DOS programs */ + for(i = 2; i <= 4; i++) { + printf("smc_code2(%d) = %d\n", i, smc_code2(i)); + } +} +#endif + +long enter_stack[4096]; + +#if defined(__x86_64__) +#define RSP "%%rsp" +#define RBP "%%rbp" +#else +#define RSP "%%esp" +#define RBP "%%ebp" +#endif + +#define TEST_ENTER(size, stack_type, level)\ +{\ + long esp_save, esp_val, ebp_val, ebp_save, i;\ + stack_type *ptr, *stack_end, *stack_ptr;\ + memset(enter_stack, 0, sizeof(enter_stack));\ + stack_end = stack_ptr = (stack_type *)(enter_stack + 4096);\ + ebp_val = (long)stack_ptr;\ + for(i=1;i<=32;i++)\ + *--stack_ptr = i;\ + esp_val = (long)stack_ptr;\ + asm("mov " RSP ", %[esp_save]\n"\ + "mov " RBP ", %[ebp_save]\n"\ + "mov %[esp_val], " RSP "\n"\ + "mov %[ebp_val], " RBP "\n"\ + "enter" size " $8, $" #level "\n"\ + "mov " RSP ", %[esp_val]\n"\ + "mov " RBP ", %[ebp_val]\n"\ + "mov %[esp_save], " RSP "\n"\ + "mov %[ebp_save], " RBP "\n"\ + : [esp_save] "=r" (esp_save),\ + [ebp_save] "=r" (ebp_save),\ + [esp_val] "=r" (esp_val),\ + [ebp_val] "=r" (ebp_val)\ + : "[esp_val]" (esp_val),\ + "[ebp_val]" (ebp_val));\ + printf("level=%d:\n", level);\ + printf("esp_val=" FMTLX "\n", esp_val - (long)stack_end);\ + printf("ebp_val=" FMTLX "\n", ebp_val - (long)stack_end);\ + for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\ + printf(FMTLX "\n", (long)ptr[0]);\ +} + +static void test_enter(void) +{ +#if defined(__x86_64__) + TEST_ENTER("q", uint64_t, 0); + TEST_ENTER("q", uint64_t, 1); + TEST_ENTER("q", uint64_t, 2); + TEST_ENTER("q", uint64_t, 31); +#else + TEST_ENTER("l", uint32_t, 0); + TEST_ENTER("l", uint32_t, 1); + TEST_ENTER("l", uint32_t, 2); + TEST_ENTER("l", uint32_t, 31); +#endif + + TEST_ENTER("w", uint16_t, 0); + TEST_ENTER("w", uint16_t, 1); + TEST_ENTER("w", uint16_t, 2); + TEST_ENTER("w", uint16_t, 31); +} + +#ifdef TEST_SSE + +typedef int __m64 __attribute__ ((__mode__ (__V2SI__))); +typedef float __m128 __attribute__ ((__mode__(__V4SF__))); + +typedef union { + double d[2]; + float s[4]; + uint32_t l[4]; + uint64_t q[2]; + __m128 dq; +} XMMReg; + +static uint64_t __attribute__((aligned(16))) test_values[4][2] = { + { 0x456723c698694873, 0xdc515cff944a58ec }, + { 0x1f297ccd58bad7ab, 0x41f21efba9e3e146 }, + { 0x007c62c2085427f8, 0x231be9e8cde7438d }, + { 0x0f76255a085427f8, 0xc233e9e8c4c9439a }, +}; + +#define SSE_OP(op)\ +{\ + asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + b.q[1], b.q[0],\ + r.q[1], r.q[0]);\ +} + +#define SSE_OP2(op)\ +{\ + int i;\ + for(i=0;i<2;i++) {\ + a.q[0] = test_values[2*i][0];\ + a.q[1] = test_values[2*i][1];\ + b.q[0] = test_values[2*i+1][0];\ + b.q[1] = test_values[2*i+1][1];\ + SSE_OP(op);\ + }\ +} + +#define MMX_OP2(op)\ +{\ + int i;\ + for(i=0;i<2;i++) {\ + a.q[0] = test_values[2*i][0];\ + b.q[0] = test_values[2*i+1][0];\ + asm volatile (#op " %2, %0" : "=y" (r.q[0]) : "0" (a.q[0]), "y" (b.q[0]));\ + printf("%-9s: a=" FMT64X " b=" FMT64X " r=" FMT64X "\n",\ + #op,\ + a.q[0],\ + b.q[0],\ + r.q[0]);\ + }\ + SSE_OP2(op);\ +} + +#define SHUF_OP(op, ib)\ +{\ + a.q[0] = test_values[0][0];\ + a.q[1] = test_values[0][1];\ + b.q[0] = test_values[1][0];\ + b.q[1] = test_values[1][1];\ + asm volatile (#op " $" #ib ", %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + b.q[1], b.q[0],\ + ib,\ + r.q[1], r.q[0]);\ +} + +#define PSHUF_OP(op, ib)\ +{\ + int i;\ + for(i=0;i<2;i++) {\ + a.q[0] = test_values[2*i][0];\ + a.q[1] = test_values[2*i][1];\ + asm volatile (#op " $" #ib ", %1, %0" : "=x" (r.dq) : "x" (a.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + ib,\ + r.q[1], r.q[0]);\ + }\ +} + +#define SHIFT_IM(op, ib)\ +{\ + int i;\ + for(i=0;i<2;i++) {\ + a.q[0] = test_values[2*i][0];\ + a.q[1] = test_values[2*i][1];\ + asm volatile (#op " $" #ib ", %0" : "=x" (r.dq) : "0" (a.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + ib,\ + r.q[1], r.q[0]);\ + }\ +} + +#define SHIFT_OP(op, ib)\ +{\ + int i;\ + SHIFT_IM(op, ib);\ + for(i=0;i<2;i++) {\ + a.q[0] = test_values[2*i][0];\ + a.q[1] = test_values[2*i][1];\ + b.q[0] = ib;\ + b.q[1] = 0;\ + asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + b.q[1], b.q[0],\ + r.q[1], r.q[0]);\ + }\ +} + +#define MOVMSK(op)\ +{\ + int i, reg;\ + for(i=0;i<2;i++) {\ + a.q[0] = test_values[2*i][0];\ + a.q[1] = test_values[2*i][1];\ + asm volatile (#op " %1, %0" : "=r" (reg) : "x" (a.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\ + #op,\ + a.q[1], a.q[0],\ + reg);\ + }\ +} + +#define SSE_OPS(a) \ +SSE_OP(a ## ps);\ +SSE_OP(a ## ss); + +#define SSE_OPD(a) \ +SSE_OP(a ## pd);\ +SSE_OP(a ## sd); + +#define SSE_COMI(op, field)\ +{\ + unsigned int eflags;\ + XMMReg a, b;\ + a.field[0] = a1;\ + b.field[0] = b1;\ + asm volatile (#op " %2, %1\n"\ + "pushf\n"\ + "pop %0\n"\ + : "=m" (eflags)\ + : "x" (a.dq), "x" (b.dq));\ + printf("%-9s: a=%f b=%f cc=%04x\n",\ + #op, a1, b1,\ + eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ +} + +void test_sse_comi(double a1, double b1) +{ + SSE_COMI(ucomiss, s); + SSE_COMI(ucomisd, d); + SSE_COMI(comiss, s); + SSE_COMI(comisd, d); +} + +#define CVT_OP_XMM(op)\ +{\ + asm volatile (#op " %1, %0" : "=x" (r.dq) : "x" (a.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + r.q[1], r.q[0]);\ +} + +/* Force %xmm0 usage to avoid the case where both register index are 0 + to test intruction decoding more extensively */ +#define CVT_OP_XMM2MMX(op)\ +{\ + asm volatile (#op " %1, %0" : "=y" (r.q[0]) : "x" (a.dq) \ + : "%xmm0"); \ + asm volatile("emms\n"); \ + printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "\n",\ + #op,\ + a.q[1], a.q[0],\ + r.q[0]);\ +} + +#define CVT_OP_MMX2XMM(op)\ +{\ + asm volatile (#op " %1, %0" : "=x" (r.dq) : "y" (a.q[0]));\ + asm volatile("emms\n"); \ + printf("%-9s: a=" FMT64X " r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.q[0],\ + r.q[1], r.q[0]);\ +} + +#define CVT_OP_REG2XMM(op)\ +{\ + asm volatile (#op " %1, %0" : "=x" (r.dq) : "r" (a.l[0]));\ + printf("%-9s: a=%08x r=" FMT64X "" FMT64X "\n",\ + #op,\ + a.l[0],\ + r.q[1], r.q[0]);\ +} + +#define CVT_OP_XMM2REG(op)\ +{\ + asm volatile (#op " %1, %0" : "=r" (r.l[0]) : "x" (a.dq));\ + printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\ + #op,\ + a.q[1], a.q[0],\ + r.l[0]);\ +} + +struct fpxstate { + uint16_t fpuc; + uint16_t fpus; + uint16_t fptag; + uint16_t fop; + uint32_t fpuip; + uint16_t cs_sel; + uint16_t dummy0; + uint32_t fpudp; + uint16_t ds_sel; + uint16_t dummy1; + uint32_t mxcsr; + uint32_t mxcsr_mask; + uint8_t fpregs1[8 * 16]; + uint8_t xmm_regs[8 * 16]; + uint8_t dummy2[224]; +}; + +static struct fpxstate fpx_state __attribute__((aligned(16))); +static struct fpxstate fpx_state2 __attribute__((aligned(16))); + +void test_fxsave(void) +{ + struct fpxstate *fp = &fpx_state; + struct fpxstate *fp2 = &fpx_state2; + int i, nb_xmm; + XMMReg a, b; + a.q[0] = test_values[0][0]; + a.q[1] = test_values[0][1]; + b.q[0] = test_values[1][0]; + b.q[1] = test_values[1][1]; + + asm("movdqa %2, %%xmm0\n" + "movdqa %3, %%xmm7\n" +#if defined(__x86_64__) + "movdqa %2, %%xmm15\n" +#endif + " fld1\n" + " fldpi\n" + " fldln2\n" + " fxsave %0\n" + " fxrstor %0\n" + " fxsave %1\n" + " fninit\n" + : "=m" (*(uint32_t *)fp2), "=m" (*(uint32_t *)fp) + : "m" (a), "m" (b)); + printf("fpuc=%04x\n", fp->fpuc); + printf("fpus=%04x\n", fp->fpus); + printf("fptag=%04x\n", fp->fptag); + for(i = 0; i < 3; i++) { + printf("ST%d: " FMT64X " %04x\n", + i, + *(uint64_t *)&fp->fpregs1[i * 16], + *(uint16_t *)&fp->fpregs1[i * 16 + 8]); + } + printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80); +#if defined(__x86_64__) + nb_xmm = 16; +#else + nb_xmm = 8; +#endif + for(i = 0; i < nb_xmm; i++) { + printf("xmm%d: " FMT64X "" FMT64X "\n", + i, + *(uint64_t *)&fp->xmm_regs[i * 16], + *(uint64_t *)&fp->xmm_regs[i * 16 + 8]); + } +} + +void test_sse(void) +{ + XMMReg r, a, b; + int i; + + MMX_OP2(punpcklbw); + MMX_OP2(punpcklwd); + MMX_OP2(punpckldq); + MMX_OP2(packsswb); + MMX_OP2(pcmpgtb); + MMX_OP2(pcmpgtw); + MMX_OP2(pcmpgtd); + MMX_OP2(packuswb); + MMX_OP2(punpckhbw); + MMX_OP2(punpckhwd); + MMX_OP2(punpckhdq); + MMX_OP2(packssdw); + MMX_OP2(pcmpeqb); + MMX_OP2(pcmpeqw); + MMX_OP2(pcmpeqd); + + MMX_OP2(paddq); + MMX_OP2(pmullw); + MMX_OP2(psubusb); + MMX_OP2(psubusw); + MMX_OP2(pminub); + MMX_OP2(pand); + MMX_OP2(paddusb); + MMX_OP2(paddusw); + MMX_OP2(pmaxub); + MMX_OP2(pandn); + + MMX_OP2(pmulhuw); + MMX_OP2(pmulhw); + + MMX_OP2(psubsb); + MMX_OP2(psubsw); + MMX_OP2(pminsw); + MMX_OP2(por); + MMX_OP2(paddsb); + MMX_OP2(paddsw); + MMX_OP2(pmaxsw); + MMX_OP2(pxor); + MMX_OP2(pmuludq); + MMX_OP2(pmaddwd); + MMX_OP2(psadbw); + MMX_OP2(psubb); + MMX_OP2(psubw); + MMX_OP2(psubd); + MMX_OP2(psubq); + MMX_OP2(paddb); + MMX_OP2(paddw); + MMX_OP2(paddd); + + MMX_OP2(pavgb); + MMX_OP2(pavgw); + + asm volatile ("pinsrw $1, %1, %0" : "=y" (r.q[0]) : "r" (0x12345678)); + printf("%-9s: r=" FMT64X "\n", "pinsrw", r.q[0]); + + asm volatile ("pinsrw $5, %1, %0" : "=x" (r.dq) : "r" (0x12345678)); + printf("%-9s: r=" FMT64X "" FMT64X "\n", "pinsrw", r.q[1], r.q[0]); + + a.q[0] = test_values[0][0]; + a.q[1] = test_values[0][1]; + asm volatile ("pextrw $1, %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); + printf("%-9s: r=%08x\n", "pextrw", r.l[0]); + + asm volatile ("pextrw $5, %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); + printf("%-9s: r=%08x\n", "pextrw", r.l[0]); + + asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); + printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); + + asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); + printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); + + { + r.q[0] = -1; + r.q[1] = -1; + + a.q[0] = test_values[0][0]; + a.q[1] = test_values[0][1]; + b.q[0] = test_values[1][0]; + b.q[1] = test_values[1][1]; + asm volatile("maskmovq %1, %0" : + : "y" (a.q[0]), "y" (b.q[0]), "D" (&r) + : "memory"); + printf("%-9s: r=" FMT64X " a=" FMT64X " b=" FMT64X "\n", + "maskmov", + r.q[0], + a.q[0], + b.q[0]); + asm volatile("maskmovdqu %1, %0" : + : "x" (a.dq), "x" (b.dq), "D" (&r) + : "memory"); + printf("%-9s: r=" FMT64X "" FMT64X " a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X "\n", + "maskmov", + r.q[1], r.q[0], + a.q[1], a.q[0], + b.q[1], b.q[0]); + } + + asm volatile ("emms"); + + SSE_OP2(punpcklqdq); + SSE_OP2(punpckhqdq); + SSE_OP2(andps); + SSE_OP2(andpd); + SSE_OP2(andnps); + SSE_OP2(andnpd); + SSE_OP2(orps); + SSE_OP2(orpd); + SSE_OP2(xorps); + SSE_OP2(xorpd); + + SSE_OP2(unpcklps); + SSE_OP2(unpcklpd); + SSE_OP2(unpckhps); + SSE_OP2(unpckhpd); + + SHUF_OP(shufps, 0x78); + SHUF_OP(shufpd, 0x02); + + PSHUF_OP(pshufd, 0x78); + PSHUF_OP(pshuflw, 0x78); + PSHUF_OP(pshufhw, 0x78); + + SHIFT_OP(psrlw, 7); + SHIFT_OP(psrlw, 16); + SHIFT_OP(psraw, 7); + SHIFT_OP(psraw, 16); + SHIFT_OP(psllw, 7); + SHIFT_OP(psllw, 16); + + SHIFT_OP(psrld, 7); + SHIFT_OP(psrld, 32); + SHIFT_OP(psrad, 7); + SHIFT_OP(psrad, 32); + SHIFT_OP(pslld, 7); + SHIFT_OP(pslld, 32); + + SHIFT_OP(psrlq, 7); + SHIFT_OP(psrlq, 32); + SHIFT_OP(psllq, 7); + SHIFT_OP(psllq, 32); + + SHIFT_IM(psrldq, 16); + SHIFT_IM(psrldq, 7); + SHIFT_IM(pslldq, 16); + SHIFT_IM(pslldq, 7); + + MOVMSK(movmskps); + MOVMSK(movmskpd); + + /* FPU specific ops */ + + { + uint32_t mxcsr; + asm volatile("stmxcsr %0" : "=m" (mxcsr)); + printf("mxcsr=%08x\n", mxcsr & 0x1f80); + asm volatile("ldmxcsr %0" : : "m" (mxcsr)); + } + + test_sse_comi(2, -1); + test_sse_comi(2, 2); + test_sse_comi(2, 3); + test_sse_comi(2, q_nan.d); + test_sse_comi(q_nan.d, -1); + + for(i = 0; i < 2; i++) { + a.s[0] = 2.7; + a.s[1] = 3.4; + a.s[2] = 4; + a.s[3] = -6.3; + b.s[0] = 45.7; + b.s[1] = 353.4; + b.s[2] = 4; + b.s[3] = 56.3; + if (i == 1) { + a.s[0] = q_nan.d; + b.s[3] = q_nan.d; + } + + SSE_OPS(add); + SSE_OPS(mul); + SSE_OPS(sub); + SSE_OPS(min); + SSE_OPS(div); + SSE_OPS(max); + SSE_OPS(sqrt); + SSE_OPS(cmpeq); + SSE_OPS(cmplt); + SSE_OPS(cmple); + SSE_OPS(cmpunord); + SSE_OPS(cmpneq); + SSE_OPS(cmpnlt); + SSE_OPS(cmpnle); + SSE_OPS(cmpord); + + + a.d[0] = 2.7; + a.d[1] = -3.4; + b.d[0] = 45.7; + b.d[1] = -53.4; + if (i == 1) { + a.d[0] = q_nan.d; + b.d[1] = q_nan.d; + } + SSE_OPD(add); + SSE_OPD(mul); + SSE_OPD(sub); + SSE_OPD(min); + SSE_OPD(div); + SSE_OPD(max); + SSE_OPD(sqrt); + SSE_OPD(cmpeq); + SSE_OPD(cmplt); + SSE_OPD(cmple); + SSE_OPD(cmpunord); + SSE_OPD(cmpneq); + SSE_OPD(cmpnlt); + SSE_OPD(cmpnle); + SSE_OPD(cmpord); + } + + /* float to float/int */ + a.s[0] = 2.7; + a.s[1] = 3.4; + a.s[2] = 4; + a.s[3] = -6.3; + CVT_OP_XMM(cvtps2pd); + CVT_OP_XMM(cvtss2sd); + CVT_OP_XMM2MMX(cvtps2pi); + CVT_OP_XMM2MMX(cvttps2pi); + CVT_OP_XMM2REG(cvtss2si); + CVT_OP_XMM2REG(cvttss2si); + CVT_OP_XMM(cvtps2dq); + CVT_OP_XMM(cvttps2dq); + + a.d[0] = 2.6; + a.d[1] = -3.4; + CVT_OP_XMM(cvtpd2ps); + CVT_OP_XMM(cvtsd2ss); + CVT_OP_XMM2MMX(cvtpd2pi); + CVT_OP_XMM2MMX(cvttpd2pi); + CVT_OP_XMM2REG(cvtsd2si); + CVT_OP_XMM2REG(cvttsd2si); + CVT_OP_XMM(cvtpd2dq); + CVT_OP_XMM(cvttpd2dq); + + /* sse/mmx moves */ + CVT_OP_XMM2MMX(movdq2q); + CVT_OP_MMX2XMM(movq2dq); + + /* int to float */ + a.l[0] = -6; + a.l[1] = 2; + a.l[2] = 100; + a.l[3] = -60000; + CVT_OP_MMX2XMM(cvtpi2ps); + CVT_OP_MMX2XMM(cvtpi2pd); + CVT_OP_REG2XMM(cvtsi2ss); + CVT_OP_REG2XMM(cvtsi2sd); + CVT_OP_XMM(cvtdq2ps); + CVT_OP_XMM(cvtdq2pd); + + /* XXX: test PNI insns */ +#if 0 + SSE_OP2(movshdup); +#endif + asm volatile ("emms"); +} + +#endif + +#define TEST_CONV_RAX(op)\ +{\ + unsigned long a, r;\ + a = i2l(0x8234a6f8);\ + r = a;\ + asm volatile(#op : "=a" (r) : "0" (r));\ + printf("%-10s A=" FMTLX " R=" FMTLX "\n", #op, a, r);\ +} + +#define TEST_CONV_RAX_RDX(op)\ +{\ + unsigned long a, d, r, rh; \ + a = i2l(0x8234a6f8);\ + d = i2l(0x8345a1f2);\ + r = a;\ + rh = d;\ + asm volatile(#op : "=a" (r), "=d" (rh) : "0" (r), "1" (rh)); \ + printf("%-10s A=" FMTLX " R=" FMTLX ":" FMTLX "\n", #op, a, r, rh); \ +} + +void test_conv(void) +{ + TEST_CONV_RAX(cbw); + TEST_CONV_RAX(cwde); +#if defined(__x86_64__) + TEST_CONV_RAX(cdqe); +#endif + + TEST_CONV_RAX_RDX(cwd); + TEST_CONV_RAX_RDX(cdq); +#if defined(__x86_64__) + TEST_CONV_RAX_RDX(cqo); +#endif + + { + unsigned long a, r; + a = i2l(0x12345678); + asm volatile("bswapl %k0" : "=r" (r) : "0" (a)); + printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapl", a, r); + } +#if defined(__x86_64__) + { + unsigned long a, r; + a = i2l(0x12345678); + asm volatile("bswapq %0" : "=r" (r) : "0" (a)); + printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapq", a, r); + } +#endif +} + +extern void *__start_initcall; +extern void *__stop_initcall; + + +int main(int argc, char **argv) +{ + void **ptr; + void (*func)(void); + + ptr = &__start_initcall; + while (ptr != &__stop_initcall) { + func = *ptr++; + func(); + } + test_bsx(); + test_mul(); + test_jcc(); + test_loop(); + test_floats(); +#if !defined(__x86_64__) + test_bcd(); +#endif + test_xchg(); + test_string(); + test_misc(); + test_lea(); +#ifdef TEST_SEGS + test_segs(); + test_code16(); +#endif +#ifdef TEST_VM86 + test_vm86(); +#endif +#if !defined(__x86_64__) + test_exceptions(); + test_self_modifying_code(); + test_single_step(); +#endif + test_enter(); + test_conv(); +#ifdef TEST_SSE + test_sse(); + test_fxsave(); +#endif + return 0; +} diff --git a/src/recompiler/tests/test-i386.h b/src/recompiler/tests/test-i386.h new file mode 100644 index 00000000..75106b8c --- /dev/null +++ b/src/recompiler/tests/test-i386.h @@ -0,0 +1,152 @@ + +#define exec_op glue(exec_, OP) +#define exec_opq glue(glue(exec_, OP), q) +#define exec_opl glue(glue(exec_, OP), l) +#define exec_opw glue(glue(exec_, OP), w) +#define exec_opb glue(glue(exec_, OP), b) + +#define EXECOP2(size, rsize, res, s1, flags) \ + asm ("push %4\n\t"\ + "popf\n\t"\ + stringify(OP) size " %" rsize "2, %" rsize "0\n\t" \ + "pushf\n\t"\ + "pop %1\n\t"\ + : "=q" (res), "=g" (flags)\ + : "q" (s1), "0" (res), "1" (flags)); \ + printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n", \ + stringify(OP) size, s0, s1, res, iflags, flags & CC_MASK); + +#define EXECOP1(size, rsize, res, flags) \ + asm ("push %3\n\t"\ + "popf\n\t"\ + stringify(OP) size " %" rsize "0\n\t" \ + "pushf\n\t"\ + "pop %1\n\t"\ + : "=q" (res), "=g" (flags)\ + : "0" (res), "1" (flags)); \ + printf("%-10s A=" FMTLX " R=" FMTLX " CCIN=%04lx CC=%04lx\n", \ + stringify(OP) size, s0, res, iflags, flags & CC_MASK); + +#ifdef OP1 +#if defined(__x86_64__) +void exec_opq(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP1("q", "", res, flags); +} +#endif + +void exec_opl(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP1("l", "k", res, flags); +} + +void exec_opw(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP1("w", "w", res, flags); +} + +void exec_opb(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP1("b", "b", res, flags); +} +#else +#if defined(__x86_64__) +void exec_opq(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP2("q", "", res, s1, flags); +} +#endif + +void exec_opl(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP2("l", "k", res, s1, flags); +} + +void exec_opw(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP2("w", "w", res, s1, flags); +} + +void exec_opb(long s0, long s1, long iflags) +{ + long res, flags; + res = s0; + flags = iflags; + EXECOP2("b", "b", res, s1, flags); +} +#endif + +void exec_op(long s0, long s1) +{ + s0 = i2l(s0); + s1 = i2l(s1); +#if defined(__x86_64__) + exec_opq(s0, s1, 0); +#endif + exec_opl(s0, s1, 0); + exec_opw(s0, s1, 0); + exec_opb(s0, s1, 0); +#ifdef OP_CC +#if defined(__x86_64__) + exec_opq(s0, s1, CC_C); +#endif + exec_opl(s0, s1, CC_C); + exec_opw(s0, s1, CC_C); + exec_opb(s0, s1, CC_C); +#endif +} + +void glue(test_, OP)(void) +{ + exec_op(0x12345678, 0x812FADA); + exec_op(0x12341, 0x12341); + exec_op(0x12341, -0x12341); + exec_op(0xffffffff, 0); + exec_op(0xffffffff, -1); + exec_op(0xffffffff, 1); + exec_op(0xffffffff, 2); + exec_op(0x7fffffff, 0); + exec_op(0x7fffffff, 1); + exec_op(0x7fffffff, -1); + exec_op(0x80000000, -1); + exec_op(0x80000000, 1); + exec_op(0x80000000, -2); + exec_op(0x12347fff, 0); + exec_op(0x12347fff, 1); + exec_op(0x12347fff, -1); + exec_op(0x12348000, -1); + exec_op(0x12348000, 1); + exec_op(0x12348000, -2); + exec_op(0x12347f7f, 0); + exec_op(0x12347f7f, 1); + exec_op(0x12347f7f, -1); + exec_op(0x12348080, -1); + exec_op(0x12348080, 1); + exec_op(0x12348080, -2); +} + +void *glue(_test_, OP) __init_call = glue(test_, OP); + +#undef OP +#undef OP_CC diff --git a/src/recompiler/tests/test-mmap.c b/src/recompiler/tests/test-mmap.c new file mode 100644 index 00000000..1d444b63 --- /dev/null +++ b/src/recompiler/tests/test-mmap.c @@ -0,0 +1,485 @@ +/* + * Small test program to verify simulated mmap behaviour. + * + * When running qemu-linux-user with the -p flag, you may need to tell + * this test program about the pagesize because getpagesize() will not reflect + * the -p choice. Simply pass one argument beeing the pagesize. + * + * Copyright (c) 2007 AXIS Communications AB + * Written by Edgar E. Iglesias. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* + * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice + * other than GPL or LGPL is available it will apply instead, Oracle elects to use only + * the General Public License version 2 (GPLv2) at this time for any software where + * a choice of GPL license versions is made available with the language indicating + * that GPLv2 or any later version may be used, or where a choice of which version + * of the GPL is applied is otherwise unspecified. + */ + +#include +#include +#include +#include +#include + +#include + +#define D(x) + +#define fail_unless(x) \ +do \ +{ \ + if (!(x)) { \ + fprintf (stderr, "FAILED at %s:%d\n", __FILE__, __LINE__); \ + exit (EXIT_FAILURE); \ + } \ +} while (0); + +unsigned char *dummybuf; +static unsigned int pagesize; +static unsigned int pagemask; +int test_fd; +size_t test_fsize; + +void check_aligned_anonymous_unfixed_mmaps(void) +{ + void *p1; + void *p2; + void *p3; + void *p4; + void *p5; + uintptr_t p; + int i; + + fprintf (stderr, "%s", __func__); + for (i = 0; i < 0x1fff; i++) + { + size_t len; + + len = pagesize + (pagesize * i & 7); + p1 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + p2 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + p3 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + p4 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + p5 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + + /* Make sure we get pages aligned with the pagesize. The + target expects this. */ + fail_unless (p1 != MAP_FAILED); + fail_unless (p2 != MAP_FAILED); + fail_unless (p3 != MAP_FAILED); + fail_unless (p4 != MAP_FAILED); + fail_unless (p5 != MAP_FAILED); + p = (uintptr_t) p1; + D(printf ("p=%x\n", p)); + fail_unless ((p & pagemask) == 0); + p = (uintptr_t) p2; + fail_unless ((p & pagemask) == 0); + p = (uintptr_t) p3; + fail_unless ((p & pagemask) == 0); + p = (uintptr_t) p4; + fail_unless ((p & pagemask) == 0); + p = (uintptr_t) p5; + fail_unless ((p & pagemask) == 0); + + /* Make sure we can read from the entire area. */ + memcpy (dummybuf, p1, pagesize); + memcpy (dummybuf, p2, pagesize); + memcpy (dummybuf, p3, pagesize); + memcpy (dummybuf, p4, pagesize); + memcpy (dummybuf, p5, pagesize); + + munmap (p1, len); + munmap (p2, len); + munmap (p3, len); + munmap (p4, len); + munmap (p5, len); + } + fprintf (stderr, " passed\n"); +} + +void check_large_anonymous_unfixed_mmap(void) +{ + void *p1; + uintptr_t p; + size_t len; + + fprintf (stderr, "%s", __func__); + + len = 0x02000000; + p1 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + + /* Make sure we get pages aligned with the pagesize. The + target expects this. */ + fail_unless (p1 != MAP_FAILED); + p = (uintptr_t) p1; + fail_unless ((p & pagemask) == 0); + + /* Make sure we can read from the entire area. */ + memcpy (dummybuf, p1, pagesize); + munmap (p1, len); + fprintf (stderr, " passed\n"); +} + +void check_aligned_anonymous_unfixed_colliding_mmaps(void) +{ + char *p1; + char *p2; + char *p3; + uintptr_t p; + int i; + + fprintf (stderr, "%s", __func__); + for (i = 0; i < 0x2fff; i++) + { + int nlen; + p1 = mmap(NULL, pagesize, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + fail_unless (p1 != MAP_FAILED); + p = (uintptr_t) p1; + fail_unless ((p & pagemask) == 0); + memcpy (dummybuf, p1, pagesize); + + p2 = mmap(NULL, pagesize, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + fail_unless (p2 != MAP_FAILED); + p = (uintptr_t) p2; + fail_unless ((p & pagemask) == 0); + memcpy (dummybuf, p2, pagesize); + + + munmap (p1, pagesize); + nlen = pagesize * 8; + p3 = mmap(NULL, nlen, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + + /* Check if the mmaped areas collide. */ + if (p3 < p2 + && (p3 + nlen) > p2) + fail_unless (0); + + memcpy (dummybuf, p3, pagesize); + + /* Make sure we get pages aligned with the pagesize. The + target expects this. */ + fail_unless (p3 != MAP_FAILED); + p = (uintptr_t) p3; + fail_unless ((p & pagemask) == 0); + munmap (p2, pagesize); + munmap (p3, nlen); + } + fprintf (stderr, " passed\n"); +} + +void check_aligned_anonymous_fixed_mmaps(void) +{ + char *addr; + void *p1; + uintptr_t p; + int i; + + /* Find a suitable address to start with. */ + addr = mmap(NULL, pagesize * 40, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, + -1, 0); + fprintf (stderr, "%s addr=%p", __func__, addr); + fail_unless (addr != MAP_FAILED); + + for (i = 0; i < 40; i++) + { + /* Create submaps within our unfixed map. */ + p1 = mmap(addr, pagesize, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + -1, 0); + /* Make sure we get pages aligned with the pagesize. + The target expects this. */ + p = (uintptr_t) p1; + fail_unless (p1 == addr); + fail_unless ((p & pagemask) == 0); + memcpy (dummybuf, p1, pagesize); + munmap (p1, pagesize); + addr += pagesize; + } + fprintf (stderr, " passed\n"); +} + +void check_aligned_anonymous_fixed_mmaps_collide_with_host(void) +{ + char *addr; + void *p1; + uintptr_t p; + int i; + + /* Find a suitable address to start with. Right were the x86 hosts + stack is. */ + addr = ((void *)0x80000000); + fprintf (stderr, "%s addr=%p", __func__, addr); + fprintf (stderr, "FIXME: QEMU fails to track pages used by the host."); + + for (i = 0; i < 20; i++) + { + /* Create submaps within our unfixed map. */ + p1 = mmap(addr, pagesize, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, + -1, 0); + /* Make sure we get pages aligned with the pagesize. + The target expects this. */ + p = (uintptr_t) p1; + fail_unless (p1 == addr); + fail_unless ((p & pagemask) == 0); + memcpy (p1, dummybuf, pagesize); + munmap (p1, pagesize); + addr += pagesize; + } + fprintf (stderr, " passed\n"); +} + +void check_file_unfixed_mmaps(void) +{ + unsigned int *p1, *p2, *p3; + uintptr_t p; + int i; + + fprintf (stderr, "%s", __func__); + for (i = 0; i < 0x10; i++) + { + size_t len; + + len = pagesize; + p1 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE, + test_fd, 0); + p2 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE, + test_fd, pagesize); + p3 = mmap(NULL, len, PROT_READ, + MAP_PRIVATE, + test_fd, pagesize * 2); + + fail_unless (p1 != MAP_FAILED); + fail_unless (p2 != MAP_FAILED); + fail_unless (p3 != MAP_FAILED); + + /* Make sure we get pages aligned with the pagesize. The + target expects this. */ + p = (uintptr_t) p1; + fail_unless ((p & pagemask) == 0); + p = (uintptr_t) p2; + fail_unless ((p & pagemask) == 0); + p = (uintptr_t) p3; + fail_unless ((p & pagemask) == 0); + + /* Verify that the file maps was made correctly. */ + D(printf ("p1=%d p2=%d p3=%d\n", *p1, *p2, *p3)); + fail_unless (*p1 == 0); + fail_unless (*p2 == (pagesize / sizeof *p2)); + fail_unless (*p3 == ((pagesize * 2) / sizeof *p3)); + + memcpy (dummybuf, p1, pagesize); + memcpy (dummybuf, p2, pagesize); + memcpy (dummybuf, p3, pagesize); + munmap (p1, len); + munmap (p2, len); + munmap (p3, len); + } + fprintf (stderr, " passed\n"); +} + +void check_file_unfixed_eof_mmaps(void) +{ + char *cp; + unsigned int *p1; + uintptr_t p; + int i; + + fprintf (stderr, "%s", __func__); + for (i = 0; i < 0x10; i++) + { + p1 = mmap(NULL, pagesize, PROT_READ, + MAP_PRIVATE, + test_fd, + (test_fsize - sizeof *p1) & ~pagemask); + + fail_unless (p1 != MAP_FAILED); + + /* Make sure we get pages aligned with the pagesize. The + target expects this. */ + p = (uintptr_t) p1; + fail_unless ((p & pagemask) == 0); + /* Verify that the file maps was made correctly. */ + fail_unless (p1[(test_fsize & pagemask) / sizeof *p1 - 1] + == ((test_fsize - sizeof *p1) / sizeof *p1)); + + /* Verify that the end of page is accessable and zeroed. */ + cp = (void *) p1; + fail_unless (cp[pagesize - 4] == 0); + munmap (p1, pagesize); + } + fprintf (stderr, " passed\n"); +} + +void check_file_fixed_eof_mmaps(void) +{ + char *addr; + char *cp; + unsigned int *p1; + uintptr_t p; + int i; + + /* Find a suitable address to start with. */ + addr = mmap(NULL, pagesize * 44, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, + -1, 0); + + fprintf (stderr, "%s addr=%p", __func__, (void *)addr); + fail_unless (addr != MAP_FAILED); + + for (i = 0; i < 0x10; i++) + { + /* Create submaps within our unfixed map. */ + p1 = mmap(addr, pagesize, PROT_READ, + MAP_PRIVATE | MAP_FIXED, + test_fd, + (test_fsize - sizeof *p1) & ~pagemask); + + fail_unless (p1 != MAP_FAILED); + + /* Make sure we get pages aligned with the pagesize. The + target expects this. */ + p = (uintptr_t) p1; + fail_unless ((p & pagemask) == 0); + + /* Verify that the file maps was made correctly. */ + fail_unless (p1[(test_fsize & pagemask) / sizeof *p1 - 1] + == ((test_fsize - sizeof *p1) / sizeof *p1)); + + /* Verify that the end of page is accessable and zeroed. */ + cp = (void *)p1; + fail_unless (cp[pagesize - 4] == 0); + munmap (p1, pagesize); + addr += pagesize; + } + fprintf (stderr, " passed\n"); +} + +void check_file_fixed_mmaps(void) +{ + unsigned char *addr; + unsigned int *p1, *p2, *p3, *p4; + int i; + + /* Find a suitable address to start with. */ + addr = mmap(NULL, pagesize * 40 * 4, PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS, + -1, 0); + fprintf (stderr, "%s addr=%p", __func__, (void *)addr); + fail_unless (addr != MAP_FAILED); + + for (i = 0; i < 40; i++) + { + p1 = mmap(addr, pagesize, PROT_READ, + MAP_PRIVATE | MAP_FIXED, + test_fd, 0); + p2 = mmap(addr + pagesize, pagesize, PROT_READ, + MAP_PRIVATE | MAP_FIXED, + test_fd, pagesize); + p3 = mmap(addr + pagesize * 2, pagesize, PROT_READ, + MAP_PRIVATE | MAP_FIXED, + test_fd, pagesize * 2); + p4 = mmap(addr + pagesize * 3, pagesize, PROT_READ, + MAP_PRIVATE | MAP_FIXED, + test_fd, pagesize * 3); + + /* Make sure we get pages aligned with the pagesize. + The target expects this. */ + fail_unless (p1 == (void *)addr); + fail_unless (p2 == (void *)(addr + pagesize)); + fail_unless (p3 == (void *)(addr + pagesize * 2)); + fail_unless (p4 == (void *)(addr + pagesize * 3)); + + /* Verify that the file maps was made correctly. */ + fail_unless (*p1 == 0); + fail_unless (*p2 == (pagesize / sizeof *p2)); + fail_unless (*p3 == ((pagesize * 2) / sizeof *p3)); + fail_unless (*p4 == ((pagesize * 3) / sizeof *p4)); + + memcpy (dummybuf, p1, pagesize); + memcpy (dummybuf, p2, pagesize); + memcpy (dummybuf, p3, pagesize); + memcpy (dummybuf, p4, pagesize); + + munmap (p1, pagesize); + munmap (p2, pagesize); + munmap (p3, pagesize); + munmap (p4, pagesize); + addr += pagesize * 4; + } + fprintf (stderr, " passed\n"); +} + +int main(int argc, char **argv) +{ + char tempname[] = "/tmp/.cmmapXXXXXX"; + unsigned int i; + + /* Trust the first argument, otherwise probe the system for our + pagesize. */ + if (argc > 1) + pagesize = strtoul(argv[1], NULL, 0); + else + pagesize = sysconf(_SC_PAGESIZE); + + /* Assume pagesize is a power of two. */ + pagemask = pagesize - 1; + dummybuf = malloc (pagesize); + printf ("pagesize=%u pagemask=%x\n", pagesize, pagemask); + + test_fd = mkstemp(tempname); + unlink(tempname); + + /* Fill the file with int's counting from zero and up. */ + for (i = 0; i < (pagesize * 4) / sizeof i; i++) + write (test_fd, &i, sizeof i); + /* Append a few extra writes to make the file end at non + page boundary. */ + write (test_fd, &i, sizeof i); i++; + write (test_fd, &i, sizeof i); i++; + write (test_fd, &i, sizeof i); i++; + + test_fsize = lseek(test_fd, 0, SEEK_CUR); + + /* Run the tests. */ + check_aligned_anonymous_unfixed_mmaps(); + check_aligned_anonymous_unfixed_colliding_mmaps(); + check_aligned_anonymous_fixed_mmaps(); + check_file_unfixed_mmaps(); + check_file_fixed_mmaps(); + check_file_fixed_eof_mmaps(); + check_file_unfixed_eof_mmaps(); + + /* Fails at the moment. */ + /* check_aligned_anonymous_fixed_mmaps_collide_with_host(); */ + + return EXIT_SUCCESS; +} diff --git a/src/recompiler/tests/test_path.c b/src/recompiler/tests/test_path.c new file mode 100644 index 00000000..def7441c --- /dev/null +++ b/src/recompiler/tests/test_path.c @@ -0,0 +1,151 @@ +/* Test path override code */ +#define _GNU_SOURCE +#include "../path.c" +#include +#include +#include + +/* Any log message kills the test. */ +void gemu_log(const char *fmt, ...) +{ + va_list ap; + + fprintf(stderr, "FATAL: "); + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + exit(1); +} + +#define NO_CHANGE(_path) \ + do { \ + if (strcmp(path(_path), _path) != 0) return __LINE__; \ + } while(0) + +#define CHANGE_TO(_path, _newpath) \ + do { \ + if (strcmp(path(_path), _newpath) != 0) return __LINE__; \ + } while(0) + +static void cleanup(void) +{ + unlink("/tmp/qemu-test_path/DIR1/DIR2/FILE"); + unlink("/tmp/qemu-test_path/DIR1/DIR2/FILE2"); + unlink("/tmp/qemu-test_path/DIR1/DIR2/FILE3"); + unlink("/tmp/qemu-test_path/DIR1/DIR2/FILE4"); + unlink("/tmp/qemu-test_path/DIR1/DIR2/FILE5"); + rmdir("/tmp/qemu-test_path/DIR1/DIR2"); + rmdir("/tmp/qemu-test_path/DIR1/DIR3"); + rmdir("/tmp/qemu-test_path/DIR1"); + rmdir("/tmp/qemu-test_path"); +} + +static unsigned int do_test(void) +{ + if (mkdir("/tmp/qemu-test_path", 0700) != 0) + return __LINE__; + + if (mkdir("/tmp/qemu-test_path/DIR1", 0700) != 0) + return __LINE__; + + if (mkdir("/tmp/qemu-test_path/DIR1/DIR2", 0700) != 0) + return __LINE__; + + if (mkdir("/tmp/qemu-test_path/DIR1/DIR3", 0700) != 0) + return __LINE__; + + if (close(creat("/tmp/qemu-test_path/DIR1/DIR2/FILE", 0600)) != 0) + return __LINE__; + + if (close(creat("/tmp/qemu-test_path/DIR1/DIR2/FILE2", 0600)) != 0) + return __LINE__; + + if (close(creat("/tmp/qemu-test_path/DIR1/DIR2/FILE3", 0600)) != 0) + return __LINE__; + + if (close(creat("/tmp/qemu-test_path/DIR1/DIR2/FILE4", 0600)) != 0) + return __LINE__; + + if (close(creat("/tmp/qemu-test_path/DIR1/DIR2/FILE5", 0600)) != 0) + return __LINE__; + + init_paths("/tmp/qemu-test_path"); + + NO_CHANGE("/tmp"); + NO_CHANGE("/tmp/"); + NO_CHANGE("/tmp/qemu-test_path"); + NO_CHANGE("/tmp/qemu-test_path/"); + NO_CHANGE("/tmp/qemu-test_path/D"); + NO_CHANGE("/tmp/qemu-test_path/DI"); + NO_CHANGE("/tmp/qemu-test_path/DIR"); + NO_CHANGE("/tmp/qemu-test_path/DIR1"); + NO_CHANGE("/tmp/qemu-test_path/DIR1/"); + + NO_CHANGE("/D"); + NO_CHANGE("/DI"); + NO_CHANGE("/DIR"); + NO_CHANGE("/DIR2"); + NO_CHANGE("/DIR1."); + + CHANGE_TO("/DIR1", "/tmp/qemu-test_path/DIR1"); + CHANGE_TO("/DIR1/", "/tmp/qemu-test_path/DIR1"); + + NO_CHANGE("/DIR1/D"); + NO_CHANGE("/DIR1/DI"); + NO_CHANGE("/DIR1/DIR"); + NO_CHANGE("/DIR1/DIR1"); + + CHANGE_TO("/DIR1/DIR2", "/tmp/qemu-test_path/DIR1/DIR2"); + CHANGE_TO("/DIR1/DIR2/", "/tmp/qemu-test_path/DIR1/DIR2"); + + CHANGE_TO("/DIR1/DIR3", "/tmp/qemu-test_path/DIR1/DIR3"); + CHANGE_TO("/DIR1/DIR3/", "/tmp/qemu-test_path/DIR1/DIR3"); + + NO_CHANGE("/DIR1/DIR2/F"); + NO_CHANGE("/DIR1/DIR2/FI"); + NO_CHANGE("/DIR1/DIR2/FIL"); + NO_CHANGE("/DIR1/DIR2/FIL."); + + CHANGE_TO("/DIR1/DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/DIR1/DIR2/FILE2", "/tmp/qemu-test_path/DIR1/DIR2/FILE2"); + CHANGE_TO("/DIR1/DIR2/FILE3", "/tmp/qemu-test_path/DIR1/DIR2/FILE3"); + CHANGE_TO("/DIR1/DIR2/FILE4", "/tmp/qemu-test_path/DIR1/DIR2/FILE4"); + CHANGE_TO("/DIR1/DIR2/FILE5", "/tmp/qemu-test_path/DIR1/DIR2/FILE5"); + + NO_CHANGE("/DIR1/DIR2/FILE6"); + NO_CHANGE("/DIR1/DIR2/FILE/X"); + + CHANGE_TO("/DIR1/../DIR1", "/tmp/qemu-test_path/DIR1"); + CHANGE_TO("/DIR1/../DIR1/", "/tmp/qemu-test_path/DIR1"); + CHANGE_TO("/../DIR1", "/tmp/qemu-test_path/DIR1"); + CHANGE_TO("/../DIR1/", "/tmp/qemu-test_path/DIR1"); + CHANGE_TO("/DIR1/DIR2/../DIR2", "/tmp/qemu-test_path/DIR1/DIR2"); + CHANGE_TO("/DIR1/DIR2/../DIR2/../../DIR1/DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/DIR1/DIR2/../DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + + NO_CHANGE("/DIR1/DIR2/../DIR1"); + NO_CHANGE("/DIR1/DIR2/../FILE"); + + CHANGE_TO("/./DIR1/DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/././DIR1/DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/DIR1/./DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/DIR1/././DIR2/FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/DIR1/DIR2/./FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/DIR1/DIR2/././FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + CHANGE_TO("/./DIR1/./DIR2/./FILE", "/tmp/qemu-test_path/DIR1/DIR2/FILE"); + + return 0; +} + +int main(int argc, char *argv[]) +{ + int ret; + + ret = do_test(); + cleanup(); + if (ret) { + fprintf(stderr, "test_path: failed on line %i\n", ret); + return 1; + } + return 0; +} diff --git a/src/recompiler/tests/testthread.c b/src/recompiler/tests/testthread.c new file mode 100644 index 00000000..27e4825b --- /dev/null +++ b/src/recompiler/tests/testthread.c @@ -0,0 +1,51 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void *thread1_func(void *arg) +{ + int i; + char buf[512]; + + for(i=0;i<10;i++) { + snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg); + write(1, buf, strlen(buf)); + usleep(100 * 1000); + } + return NULL; +} + +void *thread2_func(void *arg) +{ + int i; + char buf[512]; + for(i=0;i<20;i++) { + snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg); + write(1, buf, strlen(buf)); + usleep(150 * 1000); + } + return NULL; +} + +void test_pthread(void) +{ + pthread_t tid1, tid2; + + pthread_create(&tid1, NULL, thread1_func, "hello1"); + pthread_create(&tid2, NULL, thread2_func, "hello2"); + pthread_join(tid1, NULL); + pthread_join(tid2, NULL); + printf("End of pthread test.\n"); +} + +int main(int argc, char **argv) +{ + test_pthread(); + return 0; +} -- cgit v1.2.3