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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-05-20 20:31:04 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-05-26 11:41:46 -0500
commit8464c2a11033bf52c04043ec65166d99f115b16e (patch)
tree36e297138f609609364ec3245aec36dc4f24222d /sysdeps
parent3d1024e8d159ec5f0f3899c02af5473f5b0ec49c (diff)
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PowerPC: Consolidate NPTL/non versions of clone
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S12
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S17
2 files changed, 2 insertions, 27 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index bb1510dff1..0463810d4c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
@@ -44,11 +44,7 @@ ENTRY (__clone)
/* Set up stack frame for parent. */
stwu r1,-32(r1)
cfi_adjust_cfa_offset (32)
-#ifdef RESET_PID
stmw r28,16(r1)
-#else
- stmw r30,16(r1)
-#endif
/* Set up stack frame for child. */
clrrwi r4,r4,4
@@ -57,9 +53,7 @@ ENTRY (__clone)
/* Save fn, args, stack across syscall. */
mr r30,r3 /* Function in r30. */
-#ifdef RESET_PID
mr r28,r5
-#endif
mr r31,r6 /* Argument in r31. */
/* 'flags' argument is first parameter to clone syscall. (The other
@@ -83,7 +77,6 @@ ENTRY (__clone)
crandc cr1*4+eq,cr1*4+eq,cr0*4+so
bne- cr1,L(parent) /* The '-' is to minimise the race. */
-#ifdef RESET_PID
andis. r0,r28,CLONE_THREAD>>16
bne+ r0,L(oldpid)
andi. r0,r28,CLONE_VM
@@ -94,7 +87,6 @@ L(nomoregetpid):
stw r3,TID(r2)
stw r3,PID(r2)
L(oldpid):
-#endif
/* Call procedure. */
mtctr r30
@@ -105,11 +97,7 @@ L(oldpid):
L(parent):
/* Parent. Restore registers & return. */
-#ifdef RESET_PID
lmw r28,16(r1)
-#else
- lmw r30,16(r1)
-#endif
addi r1,r1,32
bnslr+
b __syscall_error@local
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
index d8fefdd3b4..892d44ffdb 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
@@ -41,14 +41,10 @@ ENTRY (__clone)
beq- cr0,L(badargs)
/* Save some regs in the "red zone". */
-#ifdef RESET_PID
std r29,-24(r1)
-#endif
std r30,-16(r1)
std r31,-8(r1)
-#ifdef RESET_PID
cfi_offset(r29,-24)
-#endif
cfi_offset(r30,-16)
cfi_offset(r31,-8)
@@ -59,15 +55,13 @@ ENTRY (__clone)
/* Save fn, args, stack across syscall. */
mr r30,r3 /* Function in r30. */
-#ifdef RESET_PID
mr r29,r5 /* Flags in r29. */
-#endif
mr r31,r6 /* Argument in r31. */
/* 'flags' argument is first parameter to clone syscall.
Second is the stack pointer, already in r4. */
mr r3,r5
- /* Move the parent_tid, child_tid and tls arguments. */
+ /* Move the parent_tid, child_tid and tls arguments. */
mr r5,r7
mr r6,r8
mr r7,r9
@@ -84,7 +78,6 @@ ENTRY (__clone)
crandc cr1*4+eq,cr1*4+eq,cr0*4+so
bne- cr1,L(parent) /* The '-' is to minimise the race. */
-#ifdef RESET_PID
andis. r0,r29,CLONE_THREAD>>16
bne+ cr0,L(oldpid)
andi. r0,r29,CLONE_VM
@@ -95,7 +88,6 @@ L(nomoregetpid):
stw r3,TID(r13)
stw r3,PID(r13)
L(oldpid):
-#endif
std r2,FRAME_TOC_SAVE(r1)
/* Call procedure. */
@@ -120,21 +112,16 @@ L(badargs):
L(parent):
/* Parent. Restore registers & return. */
-#ifdef RESET_PID
cfi_offset(r29,-24)
-#endif
cfi_offset(r30,-16)
cfi_offset(r31,-8)
-#ifdef RESET_PID
ld r29,-24(r1)
-#endif
ld r30,-16(r1)
ld r31,-8(r1)
-#ifdef RESET_PID
cfi_restore(r29)
-#endif
cfi_restore(r30)
cfi_restore(r31)
+
PSEUDO_RET
END (__clone)