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Pedro Alves 7f03bd92e3 PPC64: Fix gdb.arch/ppc64-atomic-inst.exp with displaced stepping 
The ppc64 displaced step code can't handle atomic sequences.  Fallback
to stepping over the breakpoint in-line if we detect one.

gdb/ChangeLog:
2015-08-07  Pedro Alves  <palves@redhat.com>

	* infrun.c (displaced_step_prepare_throw): Return -1 if
	gdbarch_displaced_step_copy_insn returns NULL.  Update intro
	comment.
	* rs6000-tdep.c (LWARX_MASK, LWARX_INSTRUCTION, LDARX_INSTRUCTION)
	(STWCX_MASK, STWCX_INSTRUCTION, STDCX_INSTRUCTION): Move higher up
	in file.
	(ppc_displaced_step_copy_insn): New function.
	(ppc_displaced_step_fixup): Update comment.
	(rs6000_gdbarch_init): Install ppc_displaced_step_copy_insn as
	gdbarch_displaced_step_copy_insn hook.
	* gdbarch.sh (displaced_step_copy_insn): Document what happens on
	NULL return.
	* gdbarch.h: Regenerate.

gdb/testsuite/ChangeLog:
2015-08-07  Pedro Alves  <palves@redhat.com>

	* gdb.arch/ppc64-atomic-inst.exp (do_test): New procedure, move
	tests here.
	(top level): Run do_test with and without displaced stepping.
2015-08-07 17:26:21 +01:00
..
aarch64-atomic-inst.c
aarch64-atomic-inst.exp New proc is_aarch64_target 2015-07-07 16:58:20 +01:00
aarch64-fp.c
aarch64-fp.exp New proc is_aarch64_target 2015-07-07 16:58:20 +01:00
alpha-step.c
alpha-step.exp
altivec-abi.c
altivec-abi.exp
altivec-regs.c
altivec-regs.exp
amd64-byte.exp
amd64-disp-step.exp
amd64-disp-step.S
amd64-dword.exp
amd64-entry-value-inline.c
amd64-entry-value-inline.exp
amd64-entry-value-inline.S
amd64-entry-value-param.c
amd64-entry-value-param.exp
amd64-entry-value-param.S
amd64-entry-value-paramref.cc
amd64-entry-value-paramref.exp
amd64-entry-value-paramref.S
amd64-entry-value.cc
amd64-entry-value.exp
amd64-entry-value.s
amd64-i386-address.exp
amd64-i386-address.S
amd64-invalid-stack-middle.c
amd64-invalid-stack-middle.exp
amd64-invalid-stack-middle.S
amd64-invalid-stack-top.c
amd64-invalid-stack-top.exp
amd64-optimout-repeat.c
amd64-optimout-repeat.exp
amd64-optimout-repeat.S
amd64-prologue-skip.exp Do not skip prologue for asm (.S) files 2015-06-26 15:11:14 +02:00
amd64-prologue-skip.S Do not skip prologue for asm (.S) files 2015-06-26 15:11:14 +02:00
amd64-prologue-xmm.c
amd64-prologue-xmm.exp
amd64-prologue-xmm.s
amd64-pseudo.c
amd64-stap-optional-prefix.exp
amd64-stap-optional-prefix.S
amd64-stap-special-operands.exp
amd64-stap-three-arg-disp.c
amd64-stap-three-arg-disp.S
amd64-stap-triplet.c
amd64-stap-triplet.S
amd64-stap-wrong-subexp.exp
amd64-stap-wrong-subexp.S
amd64-tailcall-cxx.exp
amd64-tailcall-cxx1.cc
amd64-tailcall-cxx1.S
amd64-tailcall-cxx2.cc
amd64-tailcall-cxx2.S
amd64-tailcall-noret.c
amd64-tailcall-noret.exp
amd64-tailcall-noret.S
amd64-tailcall-ret.c
amd64-tailcall-ret.exp
amd64-tailcall-ret.S
amd64-tailcall-self.c PR symtab/18392 2015-06-01 14:02:34 +02:00
amd64-tailcall-self.exp PR symtab/18392 2015-06-01 14:02:34 +02:00
amd64-tailcall-self.S PR symtab/18392 2015-06-01 14:02:34 +02:00
amd64-word.exp
arm-bl-branch-dest.c
arm-bl-branch-dest.exp New proc is_aarch32_target 2015-07-07 16:58:19 +01:00
arm-disp-step.exp New proc is_aarch32_target 2015-07-07 16:58:19 +01:00
arm-disp-step.S [arm] Fix displaced stepping for thumb alu reg instruction 2015-04-10 10:33:01 +01:00
avr-flash-qualifier.c
avr-flash-qualifier.exp
cordic.ko.bz2
cordic.ko.debug.bz2
e500-abi.c
e500-abi.exp
e500-prologue.c
e500-prologue.exp
e500-regs.c
e500-regs.exp
gdb1291.exp
gdb1291.s
gdb1431.exp
gdb1431.s
gdb1558.c
gdb1558.exp
i386-avx.c
i386-avx.exp
i386-avx512.c Fix MPX and AVX512 tests for path changes. 2015-06-10 09:58:05 +02:00
i386-avx512.exp Fix MPX and AVX512 tests for path changes. 2015-06-10 09:58:05 +02:00
i386-biarch-core.core.bz2
i386-biarch-core.exp Fix gdb.arch/i386-biarch-core.exp FAIL on i386. 2015-07-16 18:01:22 +02:00
i386-bp_permanent.c
i386-bp_permanent.exp
i386-byte.exp
i386-cfi-notcurrent.exp
i386-cfi-notcurrent.S
i386-disp-step.exp
i386-disp-step.S
i386-dr3-watch.c
i386-dr3-watch.exp
i386-float.exp
i386-float.S
i386-gnu-cfi-asm.S
i386-gnu-cfi.c
i386-gnu-cfi.exp
i386-mpx-map.c Add support for bound table in the Intel MPX context. 2015-06-10 09:58:06 +02:00
i386-mpx-map.exp Add support for bound table in the Intel MPX context. 2015-06-10 09:58:06 +02:00
i386-mpx.c Obvious indentation fixes on test sample and test file for MPX registers. 2015-06-10 09:58:05 +02:00
i386-mpx.exp Obvious indentation fixes on test sample and test file for MPX registers. 2015-06-10 09:58:05 +02:00
i386-permbkpt.exp
i386-permbkpt.S
i386-prologue.c
i386-prologue.exp
i386-pseudo.c
i386-signal.c
i386-signal.exp
i386-size-overlap.c
i386-size-overlap.exp
i386-size.c
i386-size.exp
i386-sse-stack-align.c
i386-sse-stack-align.exp
i386-sse-stack-align.S
i386-sse.c
i386-sse.exp
i386-stap-eval-lang-ada.c
i386-stap-eval-lang-ada.exp
i386-stap-eval-lang-ada.S
i386-unwind.c
i386-unwind.exp
i386-word.exp
ia64-breakpoint-shadow.exp
ia64-breakpoint-shadow.S
iwmmxt-regs.c
iwmmxt-regs.exp
Makefile.in
mips-octeon-bbit.c
mips-octeon-bbit.exp
mips16-thunks-inmain.c
mips16-thunks-main.c
mips16-thunks-sin.c
mips16-thunks-sinfrob.c
mips16-thunks-sinfrob16.c
mips16-thunks-sinmain.c
mips16-thunks-sinmips16.c
mips16-thunks.exp
pa-nullify.exp
pa-nullify.s
pa64-nullify.s
powerpc-aix-prologue.c
powerpc-aix-prologue.exp
powerpc-d128-regs.c
powerpc-d128-regs.exp
powerpc-power.exp Fix rfebb gdb test cases. 2015-06-23 13:33:05 -05:00
powerpc-power.s Fix rfebb gdb test cases. 2015-06-23 13:33:05 -05:00
powerpc-prologue.c
powerpc-prologue.exp
powerpc-stackless.exp
powerpc-stackless.S
ppc-dfp.c
ppc-dfp.exp
ppc-fp.c
ppc-fp.exp
ppc64-atomic-inst.exp PPC64: Fix gdb.arch/ppc64-atomic-inst.exp with displaced stepping 2015-08-07 17:26:21 +01:00
ppc64-atomic-inst.S
ppc64-symtab-cordic.exp Restrict gdb.arch/ppc64-symtab-cordic.exp to ppc64 targets. 2015-07-30 12:06:29 -07:00
s390-multiarch.c
s390-multiarch.exp
s390-tdbregs.c
s390-tdbregs.exp
s390-vregs.exp s390-vregs.exp: Avoid compile errors with older GCCs and on 31-bit targets 2015-04-16 13:03:48 +02:00
s390-vregs.S s390-vregs.exp: Avoid compile errors with older GCCs and on 31-bit targets 2015-04-16 13:03:48 +02:00
sparc-sysstep.c
sparc-sysstep.exp
spu-info.c
spu-info.exp
spu-ls.c
spu-ls.exp
thumb-bx-pc.exp New proc is_aarch32_target 2015-07-07 16:58:19 +01:00
thumb-bx-pc.S
thumb-prologue.c
thumb-prologue.exp New proc is_aarch32_target 2015-07-07 16:58:19 +01:00
thumb-singlestep.exp New proc is_aarch32_target 2015-07-07 16:58:19 +01:00
thumb-singlestep.S
thumb2-it.exp
thumb2-it.S
vsx-regs.c
vsx-regs.exp