diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2017-01-22 10:24:51 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2017-01-28 10:31:19 +0100 |
| commit | bddde5860ffb8a78587854cc8e3e914bd69269ca (patch) | |
| tree | d37c90a9ca983fb8be614844343ba2941927f88a /libc/sysdeps/linux/i386 | |
| parent | 30adfbeb8843c28869cc6ee33d7c556721cb241a (diff) | |
remove PID caching
Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e
and remove the PID caching. These simplifies the architecture specific
assembly code.
The run of the test suite found no regressions, it even solves
some of the test failures for x86/x86_64/sparc.
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com>
Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Diffstat (limited to 'libc/sysdeps/linux/i386')
| -rw-r--r-- | libc/sysdeps/linux/i386/Makefile.arch | 7 | ||||
| -rw-r--r-- | libc/sysdeps/linux/i386/clone.S | 8 | ||||
| -rw-r--r-- | libc/sysdeps/linux/i386/vfork.S | 8 |
3 files changed, 2 insertions, 21 deletions
diff --git a/libc/sysdeps/linux/i386/Makefile.arch b/libc/sysdeps/linux/i386/Makefile.arch index e1739e193..6c9eed897 100644 --- a/libc/sysdeps/linux/i386/Makefile.arch +++ b/libc/sysdeps/linux/i386/Makefile.arch @@ -6,11 +6,8 @@ # CSRC-y := brk.c __syscall_error.c sigaction.c - -SSRC-y := \ - __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \ - sync_file_range.S syscall.S mmap.S mmap64.S +SSRC-y := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \ + sync_file_range.S syscall.S mmap.S mmap64.S vfork.S clone.S SSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_fadvise64.S -SSRC-$(if $(UCLIBC_HAS_THREADS_NATIVE),,y) += vfork.S clone.S SSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.S setcontext.S getcontext.S swapcontext.S diff --git a/libc/sysdeps/linux/i386/clone.S b/libc/sysdeps/linux/i386/clone.S index 632cf59df..68e87b567 100644 --- a/libc/sysdeps/linux/i386/clone.S +++ b/libc/sysdeps/linux/i386/clone.S @@ -78,10 +78,6 @@ clone: movl %eax,8(%ecx) /* Don't leak any information. */ movl $0,4(%ecx) -#ifndef RESET_PID - movl $0,(%ecx) -#endif - /* Do the system call */ pushl %ebx @@ -92,10 +88,6 @@ clone: movl FLAGS+12(%esp),%ebx movl CTID+12(%esp),%edi movl $__NR_clone,%eax -#ifdef RESET_PID - /* Remember the flag value. */ - movl %ebx, (%ecx) -#endif int $0x80 popl %edi popl %esi diff --git a/libc/sysdeps/linux/i386/vfork.S b/libc/sysdeps/linux/i386/vfork.S index d85726f19..6c4102e0a 100644 --- a/libc/sysdeps/linux/i386/vfork.S +++ b/libc/sysdeps/linux/i386/vfork.S @@ -19,18 +19,10 @@ __vfork: popl %ecx -#ifdef SAVE_PID - SAVE_PID -#endif - movl $__NR_vfork,%eax int $0x80 pushl %ecx -#ifdef RESTORE_PID - RESTORE_PID -#endif - cmpl $-4095,%eax jae __syscall_error ret |