diff options
Diffstat (limited to 'tools/include/nolibc')
| -rw-r--r-- | tools/include/nolibc/arch-mips.h | 11 | ||||
| -rw-r--r-- | tools/include/nolibc/arch.h | 4 | ||||
| -rw-r--r-- | tools/include/nolibc/stdio.h | 4 | ||||
| -rw-r--r-- | tools/include/nolibc/sys.h | 38 | ||||
| -rw-r--r-- | tools/include/nolibc/types.h | 25 |
5 files changed, 55 insertions, 27 deletions
diff --git a/tools/include/nolibc/arch-mips.h b/tools/include/nolibc/arch-mips.h index 4ab6fa54be..62cc50ef32 100644 --- a/tools/include/nolibc/arch-mips.h +++ b/tools/include/nolibc/arch-mips.h @@ -10,6 +10,10 @@ #include "compiler.h" #include "crt.h" +#if !defined(_ABIO32) +#error Unsupported MIPS ABI +#endif + /* Syscalls for MIPS ABI O32 : * - WARNING! there's always a delayed slot! * - WARNING again, the syntax is different, registers take a '$' and numbers @@ -180,8 +184,13 @@ void __attribute__((weak, noreturn, optimize("Os", "omit-frame-pointer"))) __no_ __asm__ volatile ( ".set push\n" ".set noreorder\n" - ".option pic0\n" + "bal 1f\n" /* prime $ra for .cpload */ + "nop\n" + "1:\n" + ".cpload $ra\n" "move $a0, $sp\n" /* save stack pointer to $a0, as arg1 of _start_c */ + "addiu $sp, $sp, -4\n" /* space for .cprestore to store $gp */ + ".cprestore 0\n" "li $t0, -8\n" "and $sp, $sp, $t0\n" /* $sp must be 8-byte aligned */ "addiu $sp, $sp, -16\n" /* the callee expects to save a0..a3 there */ diff --git a/tools/include/nolibc/arch.h b/tools/include/nolibc/arch.h index e276fb0680..c8f4e5d3ad 100644 --- a/tools/include/nolibc/arch.h +++ b/tools/include/nolibc/arch.h @@ -23,7 +23,7 @@ #include "arch-arm.h" #elif defined(__aarch64__) #include "arch-aarch64.h" -#elif defined(__mips__) && defined(_ABIO32) +#elif defined(__mips__) #include "arch-mips.h" #elif defined(__powerpc__) #include "arch-powerpc.h" @@ -33,6 +33,8 @@ #include "arch-s390.h" #elif defined(__loongarch__) #include "arch-loongarch.h" +#else +#error Unsupported Architecture #endif #endif /* _NOLIBC_ARCH_H */ diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index d7ef439739..16cd4d8072 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -212,7 +212,7 @@ char *fgets(char *s, int size, FILE *stream) * - %s * - unknown modifiers are ignored. */ -static __attribute__((unused)) +static __attribute__((unused, format(printf, 2, 0))) int vfprintf(FILE *stream, const char *fmt, va_list args) { char escape, lpref, c; @@ -318,7 +318,7 @@ int vfprintf(FILE *stream, const char *fmt, va_list args) return written; } -static __attribute__((unused)) +static __attribute__((unused, format(printf, 1, 0))) int vprintf(const char *fmt, va_list args) { return vfprintf(stdout, fmt, args); diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index 2f359cb03d..dda9dffd1d 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -21,6 +21,7 @@ #include <linux/fcntl.h> /* for O_* and AT_* */ #include <linux/stat.h> /* for statx() */ #include <linux/prctl.h> +#include <linux/resource.h> #include "arch.h" #include "errno.h" @@ -899,6 +900,43 @@ int reboot(int cmd) /* + * int getrlimit(int resource, struct rlimit *rlim); + * int setrlimit(int resource, const struct rlimit *rlim); + */ + +static __attribute__((unused)) +int sys_prlimit64(pid_t pid, int resource, + const struct rlimit64 *new_limit, struct rlimit64 *old_limit) +{ + return my_syscall4(__NR_prlimit64, pid, resource, new_limit, old_limit); +} + +static __attribute__((unused)) +int getrlimit(int resource, struct rlimit *rlim) +{ + struct rlimit64 rlim64; + int ret; + + ret = __sysret(sys_prlimit64(0, resource, NULL, &rlim64)); + rlim->rlim_cur = rlim64.rlim_cur; + rlim->rlim_max = rlim64.rlim_max; + + return ret; +} + +static __attribute__((unused)) +int setrlimit(int resource, const struct rlimit *rlim) +{ + struct rlimit64 rlim64 = { + .rlim_cur = rlim->rlim_cur, + .rlim_max = rlim->rlim_max, + }; + + return __sysret(sys_prlimit64(0, resource, &rlim64, NULL)); +} + + +/* * int sched_yield(void); */ diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h index 8cfc4c860f..b26a5d0c41 100644 --- a/tools/include/nolibc/types.h +++ b/tools/include/nolibc/types.h @@ -12,6 +12,8 @@ #include <linux/reboot.h> /* for LINUX_REBOOT_* */ #include <linux/stat.h> #include <linux/time.h> +#include <linux/wait.h> +#include <linux/resource.h> /* Only the generic macros and types may be defined here. The arch-specific @@ -108,9 +110,6 @@ #define WTERMSIG(status) ((status) & 0x7f) #define WIFSIGNALED(status) ((status) - 1 < 0xff) -/* waitpid() flags */ -#define WNOHANG 1 - /* standard exit() codes */ #define EXIT_SUCCESS 0 #define EXIT_FAILURE 1 @@ -180,26 +179,6 @@ struct linux_dirent64 { char d_name[]; }; -/* needed by wait4() */ -struct rusage { - struct timeval ru_utime; - struct timeval ru_stime; - long ru_maxrss; - long ru_ixrss; - long ru_idrss; - long ru_isrss; - long ru_minflt; - long ru_majflt; - long ru_nswap; - long ru_inblock; - long ru_oublock; - long ru_msgsnd; - long ru_msgrcv; - long ru_nsignals; - long ru_nvcsw; - long ru_nivcsw; -}; - /* The format of the struct as returned by the libc to the application, which * significantly differs from the format returned by the stat() syscall flavours. */ |