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-rw-r--r--sysdeps/unix/sysv/linux/x86_64/clone.S8
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/getcontext.S16
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/setcontext.S12
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/swapcontext.S10
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sysdep.h12
5 files changed, 31 insertions, 27 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/clone.S b/sysdeps/unix/sysv/linux/x86_64/clone.S
index 9695e1eaf8..8a12b09035 100644
--- a/sysdeps/unix/sysv/linux/x86_64/clone.S
+++ b/sysdeps/unix/sysv/linux/x86_64/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -74,7 +74,7 @@ ENTRY (BP_SYM (__clone))
movq %r8, %rdx
movq %r9, %r8
movq 8(%rsp), %r10
- movq $SYS_ify(clone),%rax
+ movl $SYS_ify(clone),%eax
/* End FDE now, because in the child the unwind info will be
wrong. */
@@ -91,7 +91,7 @@ L(pseudo_end):
L(thread_start):
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
- xorq %rbp, %rbp
+ xorl %ebp, %ebp
#ifdef RESET_PID
testq $CLONE_THREAD, %rdi
@@ -99,7 +99,7 @@ L(thread_start):
testq $CLONE_VM, %rdi
movl $-1, %eax
jne 2f
- movq $SYS_ify(getpid), %rax
+ movl $SYS_ify(getpid), %eax
syscall
2: movl %eax, %fs:PID
movl %eax, %fs:TID
diff --git a/sysdeps/unix/sysv/linux/x86_64/getcontext.S b/sysdeps/unix/sysv/linux/x86_64/getcontext.S
index 2f2c710040..d19c9f0d09 100644
--- a/sysdeps/unix/sysv/linux/x86_64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/getcontext.S
@@ -1,5 +1,5 @@
/* Save current context.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
@@ -67,16 +67,20 @@ ENTRY(__getcontext)
/* Save the current signal mask with
rt_sigprocmask (SIG_BLOCK, NULL, set,_NSIG/8). */
leaq oSIGMASK(%rdi), %rdx
- xorq %rsi,%rsi
- movq $SIG_BLOCK, %rdi
- movq $_NSIG8,%r10
- movq $__NR_rt_sigprocmask, %rax
+ xorl %esi,%esi
+#if SIG_BLOCK == 0
+ xorl %edi, %edi
+#else
+ movl $SIG_BLOCK, %edi
+#endif
+ movl $_NSIG8,%r10d
+ movl $__NR_rt_sigprocmask, %eax
syscall
cmpq $-4095, %rax /* Check %rax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
/* All done, return 0 for success. */
- xorq %rax, %rax
+ xorl %eax, %eax
L(pseudo_end):
ret
PSEUDO_END(__getcontext)
diff --git a/sysdeps/unix/sysv/linux/x86_64/setcontext.S b/sysdeps/unix/sysv/linux/x86_64/setcontext.S
index 65c03d8a01..51e4a50712 100644
--- a/sysdeps/unix/sysv/linux/x86_64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/setcontext.S
@@ -1,5 +1,5 @@
/* Install given context.
- Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
@@ -40,10 +40,10 @@ ENTRY(__setcontext)
/* Set the signal mask with
rt_sigprocmask (SIG_SETMASK, mask, NULL, _NSIG/8). */
leaq oSIGMASK(%rdi), %rsi
- xorq %rdx, %rdx
- movq $SIG_SETMASK, %rdi
- movq $_NSIG8,%r10
- movq $__NR_rt_sigprocmask, %rax
+ xorl %edx, %edx
+ movl $SIG_SETMASK, %edi
+ movl $_NSIG8,%r10d
+ movl $__NR_rt_sigprocmask, %eax
syscall
popq %rdi /* Reload %rdi, adjust stack. */
cfi_adjust_cfa_offset(-8)
@@ -96,7 +96,7 @@ ENTRY(__setcontext)
cfi_startproc
/* Clear rax to indicate success. */
- xorq %rax, %rax
+ xorl %eax, %eax
L(pseudo_end):
ret
diff --git a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
index 4394e2ae9f..8d48d3bd5e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
@@ -1,5 +1,5 @@
/* Save current context and install the given one.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
@@ -73,9 +73,9 @@ ENTRY(__swapcontext)
rt_sigprocmask (SIG_BLOCK, newset, oldset,_NSIG/8). */
leaq oSIGMASK(%rdi), %rdx
leaq oSIGMASK(%rsi), %rsi
- movq $SIG_SETMASK, %rdi
- movq $_NSIG8,%r10
- movq $__NR_rt_sigprocmask, %rax
+ movl $SIG_SETMASK, %edi
+ movl $_NSIG8,%r10d
+ movl $__NR_rt_sigprocmask, %eax
syscall
cmpq $-4095, %rax /* Check %rax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
@@ -114,7 +114,7 @@ ENTRY(__swapcontext)
movq oRSI(%rsi), %rsi
/* Clear rax to indicate success. */
- xorq %rax, %rax
+ xorl %eax, %eax
L(pseudo_end):
ret
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index fd92d7ae16..0dc2f2750e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001,02,03,04 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -119,7 +119,7 @@
# define SYSCALL_ERROR_HANDLER \
0: \
leaq rtld_errno(%rip), %rcx; \
- xorq %rdx, %rdx; \
+ xorl %edx, %edx; \
subq %rax, %rdx; \
movl %edx, (%rcx); \
orq $-1, %rax; \
@@ -133,7 +133,7 @@
# define SYSCALL_ERROR_HANDLER \
0: \
movq SYSCALL_ERROR_ERRNO@GOTTPOFF(%rip), %rcx;\
- xorq %rdx, %rdx; \
+ xorl %edx, %edx; \
subq %rax, %rdx; \
movl %edx, %fs:(%rcx); \
orq $-1, %rax; \
@@ -143,7 +143,7 @@
Note that errno occupies only 4 bytes. */
# define SYSCALL_ERROR_HANDLER \
0: \
- xorq %rdx, %rdx; \
+ xorl %edx, %edx; \
subq %rax, %rdx; \
pushq %rdx; \
cfi_adjust_cfa_offset(8); \
@@ -161,7 +161,7 @@
#else /* Not _LIBC_REENTRANT. */
# define SYSCALL_ERROR_HANDLER \
0:movq errno@GOTPCREL(%RIP), %rcx; \
- xorq %rdx, %rdx; \
+ xorl %edx, %edx; \
subq %rax, %rdx; \
movl %edx, (%rcx); \
orq $-1, %rax; \
@@ -208,7 +208,7 @@
#undef DO_CALL
#define DO_CALL(syscall_name, args) \
DOARGS_##args \
- movq $SYS_ify (syscall_name), %rax; \
+ movl $SYS_ify (syscall_name), %eax; \
syscall;
#define DOARGS_0 /* nothing */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-15 10:50:49 +0000