PowerPC: Consolidate NPTL/non versions of clone

diff --git a/ChangeLog b/ChangeLog
index de8e9a2..462abcc 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2014-05-26  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
 
+       * sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: Remove
+       conditional [RESET_PID].
+       * sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: Likewise.
+       * nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: File
+       removed.
+       * nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: File
+       removed.
+
        * sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S: Include
        <tcb-offsets.h>.
        (__vfork): Incorporate save/restore of PID from nptl/vfork.S here.

diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
deleted file mode 100644 (file)
index 675a997..0000000
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ /dev/null
@@ -1,9 +0,0 @@
-/* We want an #include_next, but we are the main source file.
-   So, #include ourselves and in that incarnation we can use #include_next.  */
-#ifndef INCLUDED_SELF
-# define INCLUDED_SELF
-# include <clone.S>
-#else
-# define RESET_PID
-# include_next <clone.S>
-#endif

diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
deleted file mode 100644 (file)
index 675a997..0000000
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
+++ /dev/null
@@ -1,9 +0,0 @@
-/* We want an #include_next, but we are the main source file.
-   So, #include ourselves and in that incarnation we can use #include_next.  */
-#ifndef INCLUDED_SELF
-# define INCLUDED_SELF
-# include <clone.S>
-#else
-# define RESET_PID
-# include_next <clone.S>
-#endif

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index bb1510d..0463810 100644 (file)
--- 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 d8fefdd..892d44f 100644 (file)
--- 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)