Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 157 insertions, 0 deletions

diff --git a/libc-top-half/musl/src/thread/i386/__set_thread_area.s b/libc-top-half/musl/src/thread/i386/__set_thread_area.s
new file mode 100644
index 0000000..aa6852b
--- /dev/null
+++ b/libc-top-half/musl/src/thread/i386/__set_thread_area.s
@@ -0,0 +1,47 @@
+.text
+.global __set_thread_area
+.hidden __set_thread_area
+.type   __set_thread_area,@function
+__set_thread_area:
+	push %ebx
+	push $0x51
+	push $0xfffff
+	push 16(%esp)
+	call 1f
+1:	addl $4f-1b,(%esp)
+	pop %ecx
+	mov (%ecx),%edx
+	push %edx
+	mov %esp,%ebx
+	xor %eax,%eax
+	mov $243,%al
+	int $128
+	testl %eax,%eax
+	jnz 2f
+	movl (%esp),%edx
+	movl %edx,(%ecx)
+	leal 3(,%edx,8),%edx
+3:	movw %dx,%gs
+1:
+	addl $16,%esp
+	popl %ebx
+	ret
+2:
+	mov %ebx,%ecx
+	xor %eax,%eax
+	xor %ebx,%ebx
+	xor %edx,%edx
+	mov %ebx,(%esp)
+	mov $1,%bl
+	mov $16,%dl
+	mov $123,%al
+	int $128
+	testl %eax,%eax
+	jnz 1b
+	mov $7,%dl
+	inc %al
+	jmp 3b
+
+.data
+	.align 4
+4:	.long -1
diff --git a/libc-top-half/musl/src/thread/i386/__unmapself.s b/libc-top-half/musl/src/thread/i386/__unmapself.s
new file mode 100644
index 0000000..d656959
--- /dev/null
+++ b/libc-top-half/musl/src/thread/i386/__unmapself.s
@@ -0,0 +1,11 @@
+.text
+.global __unmapself
+.type   __unmapself,@function
+__unmapself:
+	movl $91,%eax
+	movl 4(%esp),%ebx
+	movl 8(%esp),%ecx
+	int $128
+	xorl %ebx,%ebx
+	movl $1,%eax
+	int $128
diff --git a/libc-top-half/musl/src/thread/i386/clone.s b/libc-top-half/musl/src/thread/i386/clone.s
new file mode 100644
index 0000000..e237d3c
--- /dev/null
+++ b/libc-top-half/musl/src/thread/i386/clone.s
@@ -0,0 +1,49 @@
+.text
+.global __clone
+.hidden __clone
+.type   __clone,@function
+__clone:
+	push %ebp
+	mov %esp,%ebp
+	push %ebx
+	push %esi
+	push %edi
+
+	xor %eax,%eax
+	push $0x51
+	mov %gs,%ax
+	push $0xfffff
+	shr $3,%eax
+	push 28(%ebp)
+	push %eax
+	mov $120,%al
+
+	mov 12(%ebp),%ecx
+	mov 16(%ebp),%ebx
+	and $-16,%ecx
+	sub $16,%ecx
+	mov 20(%ebp),%edi
+	mov %edi,(%ecx)
+	mov 24(%ebp),%edx
+	mov %esp,%esi
+	mov 32(%ebp),%edi
+	mov 8(%ebp),%ebp
+	int $128
+	test %eax,%eax
+	jnz 1f
+
+	mov %ebp,%eax
+	xor %ebp,%ebp
+	call *%eax
+	mov %eax,%ebx
+	xor %eax,%eax
+	inc %eax
+	int $128
+	hlt
+
+1:	add $16,%esp
+	pop %edi
+	pop %esi
+	pop %ebx
+	pop %ebp
+	ret
diff --git a/libc-top-half/musl/src/thread/i386/syscall_cp.s b/libc-top-half/musl/src/thread/i386/syscall_cp.s
new file mode 100644
index 0000000..7dce1eb
--- /dev/null
+++ b/libc-top-half/musl/src/thread/i386/syscall_cp.s
@@ -0,0 +1,41 @@
+.text
+.global __cp_begin
+.hidden __cp_begin
+.global __cp_end
+.hidden __cp_end
+.global __cp_cancel
+.hidden __cp_cancel
+.hidden __cancel
+.global __syscall_cp_asm
+.hidden __syscall_cp_asm
+.type   __syscall_cp_asm,@function
+__syscall_cp_asm:
+	mov 4(%esp),%ecx
+	pushl %ebx
+	pushl %esi
+	pushl %edi
+	pushl %ebp
+__cp_begin:
+	movl (%ecx),%eax
+	testl %eax,%eax
+	jnz __cp_cancel
+	movl 24(%esp),%eax
+	movl 28(%esp),%ebx
+	movl 32(%esp),%ecx
+	movl 36(%esp),%edx
+	movl 40(%esp),%esi
+	movl 44(%esp),%edi
+	movl 48(%esp),%ebp
+	int $128
+__cp_end:
+	popl %ebp
+	popl %edi
+	popl %esi
+	popl %ebx
+	ret
+__cp_cancel:
+	popl %ebp
+	popl %edi
+	popl %esi
+	popl %ebx
+	jmp __cancel
diff --git a/libc-top-half/musl/src/thread/i386/tls.s b/libc-top-half/musl/src/thread/i386/tls.s
new file mode 100644
index 0000000..6e4c4cb
--- /dev/null
+++ b/libc-top-half/musl/src/thread/i386/tls.s
@@ -0,0 +1,9 @@
+.text
+.global ___tls_get_addr
+.type ___tls_get_addr,@function
+___tls_get_addr:
+	mov %gs:4,%edx
+	mov (%eax),%ecx
+	mov 4(%eax),%eax
+	add (%edx,%ecx,4),%eax
+	ret