Fix profiling on powerpc32 secure-plt shared libs and PIEs

ChangeLog

@@ -1,3 +1,15 @@
+2011-08-15  Alan Modra  <amodra@gmail.com>
+
+	[BZ #13092]
+	* sysdeps/powerpc/Makefile (gmon): Move sysdep_routines to..
+	* sysdeps/powerpc/powerpc64/Makefile (gmon): ..here..
+	* sysdeps/powerpc/powerpc32/Makefile (gmon): ..and here.  Add
+	ppc_mcount to static-only-routines.
+	* sysdeps/powerpc/powerpc32/Versions: Export GLIBC_PRIVATE
+	__mcount_internal.
+	* sysdeps/powerpc/powerpc32/ppc-mcount.S (_mcount): Call
+	__mcount_internal with usual JUMPTARGET.  Remove useless nop.
+
 2011-08-04  Will Schmidt  <will_schmidt@vnet.ibm.com>
 
 	* sysdeps/powerpc/powerpc32/power7/strncmp.S: Adjust the alignment

NEWS

@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes.  2011-9-5
+GNU C Library NEWS -- history of user-visible changes.  2011-9-7
 Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
 See the end for copying conditions.
 
@@ -10,7 +10,7 @@ Version 2.15
 * The following bugs are resolved with this release:
 
   9696, 12868, 12852, 12874, 12885, 12907, 12922, 12935, 13007, 13021,
-  13068, 13114, 13134, 13144, 13150
+  13068, 13092, 13114, 13134, 13144, 13150
 
 * New program pldd to list loaded object of a process
   Implemented by Ulrich Drepper.

sysdeps/powerpc/Makefile

@@ -2,10 +2,6 @@
 # machine.
 +cflags += -mnew-mnemonics
 
-ifeq ($(subdir),gmon)
-sysdep_routines += ppc-mcount
-endif
-
 ifeq ($(subdir),string)
 CFLAGS-memcmp.c += -Wno-uninitialized
 endif

sysdeps/powerpc/powerpc32/Makefile

@@ -5,6 +5,11 @@ ifeq ($(with-fp),no)
 sysdep-LDFLAGS += -msoft-float
 endif
 
+ifeq ($(subdir),gmon)
+sysdep_routines += ppc-mcount
+static-only-routines += ppc-mcount
+endif
+
 ifeq ($(subdir),misc)
 sysdep_routines += gprsave0 gprrest0 gprsave1 gprrest1
 endif

sysdeps/powerpc/powerpc32/Versions

@@ -8,6 +8,9 @@ libc {
     __fixsfdi; __fixunssfdi;
     __floatdidf; __floatdisf;
   }
+  GLIBC_PRIVATE {
+    __mcount_internal;
+  }
 }
 
 libm {

sysdeps/powerpc/powerpc32/ppc-mcount.S

@@ -58,8 +58,7 @@ ENTRY(_mcount)
 	stw	r4, 44(r1)
 	cfi_offset (lr, -4)
 	stw	r5,  8(r1)
-	bl	__mcount_internal@local
-	nop
+	bl	JUMPTARGET(__mcount_internal)
  /* Restore the registers...  */
 	lwz     r6,  8(r1)
 	lwz	r0, 44(r1)

sysdeps/powerpc/powerpc64/Makefile

@@ -45,4 +45,5 @@ ifeq ($(subdir),gmon)
 # Compiling with -msoft-float ensures that fp regs are not used
 # for moving memory around.
 CFLAGS-mcount.c += $(no-special-regs)
+sysdep_routines += ppc-mcount
 endif