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authorWaldemar Brodkorb <wbx@openadk.org>2017-01-22 10:24:51 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2017-01-28 10:31:19 +0100
commitbddde5860ffb8a78587854cc8e3e914bd69269ca (patch)
treed37c90a9ca983fb8be614844343ba2941927f88a /libc/sysdeps/linux/sparc
parent30adfbeb8843c28869cc6ee33d7c556721cb241a (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/sparc')
-rw-r--r--libc/sysdeps/linux/sparc/Makefile.arch8
-rw-r--r--libc/sysdeps/linux/sparc/clone.S17
-rw-r--r--libc/sysdeps/linux/sparc/vfork.S2
3 files changed, 2 insertions, 25 deletions
diff --git a/libc/sysdeps/linux/sparc/Makefile.arch b/libc/sysdeps/linux/sparc/Makefile.arch
index 92ea7d93f..be393b832 100644
--- a/libc/sysdeps/linux/sparc/Makefile.arch
+++ b/libc/sysdeps/linux/sparc/Makefile.arch
@@ -6,12 +6,8 @@
#
CSRC-y := brk.c __syscall_error.c sigaction.c
-
-SSRC-y := \
- __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
- syscall.S urem.S udiv.S umul.S sdiv.S rem.S pipe.S
-
-SSRC-$(if $(UCLIBC_HAS_THREADS_NATIVE),,y) += fork.S vfork.S clone.S
+SSRC-y := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
+ syscall.S urem.S udiv.S umul.S sdiv.S rem.S pipe.S fork.S vfork.S clone.S
CSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.c
SSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += getcontext.S setcontext.S swapcontext.S
diff --git a/libc/sysdeps/linux/sparc/clone.S b/libc/sysdeps/linux/sparc/clone.S
index 1d0e3e6e1..3ee88da78 100644
--- a/libc/sysdeps/linux/sparc/clone.S
+++ b/libc/sysdeps/linux/sparc/clone.S
@@ -22,9 +22,6 @@
#include <asm/errno.h>
#include <asm/unistd.h>
-#ifdef RESET_PID
-#include <tcb-offsets.h>
-#endif
#include <sysdep.h>
#define CLONE_VM 0x00000100
@@ -83,20 +80,6 @@ END(__clone)
.type __thread_start,@function
__thread_start:
-#ifdef RESET_PID
- sethi %hi(CLONE_THREAD), %l0
- andcc %g4, %l0, %g0
- bne 1f
- andcc %g4, CLONE_VM, %g0
- bne,a 2f
- mov -1,%o0
- set __NR_getpid,%g1
- ta 0x10
-2:
- st %o0,[%g7 + PID]
- st %o0,[%g7 + TID]
-1:
-#endif
mov %g0, %fp /* terminate backtrace */
call %g2
mov %g3,%o0
diff --git a/libc/sysdeps/linux/sparc/vfork.S b/libc/sysdeps/linux/sparc/vfork.S
index e5a3c303d..5b05e6476 100644
--- a/libc/sysdeps/linux/sparc/vfork.S
+++ b/libc/sysdeps/linux/sparc/vfork.S
@@ -16,8 +16,6 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-/* Code taken from glibc2.2.2/sysdeps/unix/sysv/linux/sparc/vfork.S */
-
#include <sys/syscall.h>
#ifndef __NR_vfork