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authorAlan Modra <amodra@gmail.com>2010-08-12 09:19:19 -0700
committerUlrich Drepper <drepper@redhat.com>2010-08-12 09:19:19 -0700
commitbebff237c522e4e8e23204ca1e5104896389158e (patch)
treea4edee831e0476277cc372a46fa8281ab0bc229a /ChangeLog
parent026373745eab50a683536d950cb7e17dc98c4259 (diff)
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PowerPC64 ABI fixes
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+2010-05-01 Alan Modra <amodra@gmail.com>
+
+ * sysdeps/powerpc/powerpc32/power4/memcmp.S: Correct cfi for r24.
+ * sysdeps/powerpc/powerpc64/bsd-_setjmp.S: Move contents..
+ * sysdeps/powerpc/powerpc64/bsd-setjmp.S: ..and these too..
+ * sysdeps/powerpc/powerpc64/setjmp.S: ..to here..
+ * sysdeps/powerpc/powerpc64/setjmp-common.S: ..and here, with some
+ tidying. Don't tail-call __sigjmp_save for static lib.
+ * sysdeps/powerpc/powerpc64/sysdep.h (SAVE_ARG, REST_ARG): Correct
+ save location.
+ (CFI_SAVE_ARG, CFI_REST_ARG): New macros.
+ (CALL_MCOUNT): Add eh info, and nop after bl.
+ (TAIL_CALL_SYSCALL_ERROR): New macro.
+ (PSEUDO_RET): Use it.
+ * sysdeps/powerpc/powerpc64/dl-trampoline.S (_dl_runtime_resolve):
+ Correct save location of integer regs and cr.
+ (_dl_profile_resolve): Correct cr save location. Delete nops
+ after bl when SHARED. Reduce cfi size a little by better
+ placement of cfi directives.
+ * sysdeps/powerpc/powerpc64/fpu/s_copysign.S (__copysign): Don't
+ make a stack frame. Instead use parm save area as a temp.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S (__brk): Don't
+ make a stack frame. Use TAIL_CALL_SYSCALL_ERROR.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S (__clone):
+ Don't make a stack frame for parent, use parm save area.
+ Increase child stack frame to 112 bytes. Don't save unused reg,
+ and adjust reg usage. Set up cfi on error recovery and
+ epilogue of parent, and use TAIL_CALL_SYSCALL_ERROR, PSEUDO_RET.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S
+ (__makecontext): Add dummy nop after jump to exit.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S (__socket):
+ Use correct parm save area and cr save, reduce stack frame.
+ Correct cfi for possible PSEUDO_RET frame setup.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S (__vfork):
+ Branch to local label emitted by PSEUDO_RET rather than
+ __syscall_error.
+
2010-08-12 Andreas Schwab <schwab@redhat.com>
[BZ #11904]