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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-05-22 09:24:24 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-05-22 09:24:24 -0700 |
| commit | f63d5db67c5ac9da31e03e389fa454314ef96a35 (patch) | |
| tree | 3a3012655b7404c9e8e165dfe6b6bea2d0f05437 /sysdeps | |
| parent | 98a61bcbca89e50a3bdfa92fa851546bccee41e7 (diff) | |
| download | glibc-f63d5db67c5ac9da31e03e389fa454314ef96a35.tar.gz glibc-f63d5db67c5ac9da31e03e389fa454314ef96a35.tar.xz glibc-f63d5db67c5ac9da31e03e389fa454314ef96a35.zip | |
Use "neg %eax" in i386 SYSCALL_ERROR_HANDLER
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.h | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index e7d7103b96..6c4f778914 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -112,9 +112,8 @@ # define SYSCALL_ERROR_HANDLER \ 0:SETUP_PIC_REG(cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ - movl %edx, rtld_errno@GOTOFF(%ecx); \ + negl %eax; \ + movl %eax, rtld_errno@GOTOFF(%ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); @@ -129,9 +128,8 @@ 0:SETUP_PIC_REG (cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ movl SYSCALL_ERROR_ERRNO@GOTNTPOFF(%ecx), %ecx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ - SYSCALL_ERROR_HANDLER_TLS_STORE (%edx, %ecx); \ + negl %eax; \ + SYSCALL_ERROR_HANDLER_TLS_STORE (%eax, %ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); # ifndef NO_TLS_DIRECT_SEG_REFS @@ -147,10 +145,9 @@ # define SYSCALL_ERROR_HANDLER \ 0:SETUP_PIC_REG(cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ + negl %eax; \ movl errno@GOT(%ecx), %ecx; \ - movl %edx, (%ecx); \ + movl %eax, (%ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); # endif /* _LIBC_REENTRANT */ |