From: Edjunior Barbosa Machado Date: Thu, 18 Aug 2016 14:15:04 +0000 (-0300) Subject: ppc: Fix record of HTM instructions X-Git-Tag: gdb-7.12-release~86 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1c9c56667193b56ad5fa30ac0ae731f1d63cd6c5;p=thirdparty%2Fbinutils-gdb.git ppc: Fix record of HTM instructions The patch fixes the record support of Hardware Transactional Memory instructions on Power. It also solves a large number of unexpected failures from gdb.reverse testcases sigall-precsave.exp and sigall-reverse.exp that occur on distros which glibc uses HTM instructions. gdb/ChangeLog 2016-08-18 Edjunior Barbosa Machado * rs6000-tdep.c (ppc_process_record_op31): Handle HTM instructions. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index ad3e36d7431..3f8d16beda3 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2016-08-18 Edjunior Barbosa Machado + + * rs6000-tdep.c (ppc_process_record_op31): Handle HTM instructions. + 2016-08-15 Matthew Wahab PR gdb/20457 diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index a616cbe9c2c..eb12c5d2a27 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -4613,17 +4613,17 @@ ppc_process_record_op31 (struct gdbarch *gdbarch, struct regcache *regcache, case 654: /* Transaction Begin */ case 686: /* Transaction End */ - case 718: /* Transaction Check */ case 750: /* Transaction Suspend or Resume */ case 782: /* Transaction Abort Word Conditional */ case 814: /* Transaction Abort Doubleword Conditional */ case 846: /* Transaction Abort Word Conditional Immediate */ case 878: /* Transaction Abort Doubleword Conditional Immediate */ case 910: /* Transaction Abort */ - fprintf_unfiltered (gdb_stdlog, "Cannot record Transaction instructions. " - "%08x at %s, 31-%d.\n", - insn, paddress (gdbarch, addr), ext); - return -1; + record_full_arch_list_add_reg (regcache, tdep->ppc_ps_regnum); + /* FALL-THROUGH */ + case 718: /* Transaction Check */ + record_full_arch_list_add_reg (regcache, tdep->ppc_cr_regnum); + return 0; case 1014: /* Data Cache Block set to Zero */ if (target_auxv_search (¤t_target, AT_DCACHEBSIZE, &at_dcsz) <= 0