diff options
| author | Andrew Cagney <cagney@redhat.com> | 2004-03-18 20:30:08 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2004-03-18 20:30:08 +0000 |
| commit | 43b1ab882ff7cd3c56458bf6c35031bdb276921c (patch) | |
| tree | a37840a12fc5d565eb1d74eba19b7514ff29210c /gdb | |
| parent | fc989b7a7c5e104396a0d2541ca6843c89b2ef9d (diff) | |
| download | gdb-43b1ab882ff7cd3c56458bf6c35031bdb276921c.zip gdb-43b1ab882ff7cd3c56458bf6c35031bdb276921c.tar.gz gdb-43b1ab882ff7cd3c56458bf6c35031bdb276921c.tar.bz2 | |
2004-03-18 Andrew Cagney <cagney@redhat.com>
* rs6000-tdep.c (skip_prologue): Record only the first LR save.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/rs6000-tdep.c | 21 |
2 files changed, 23 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 8fd841b..43ad2f8 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2004-03-18 Andrew Cagney <cagney@redhat.com> + * rs6000-tdep.c (skip_prologue): Record only the first LR save. + +2004-03-18 Andrew Cagney <cagney@redhat.com> + * config/mips/tm-nbsd.h: Replace IN_SIGTRAMP with DEPRECATED_IN_SIGTRAMP. * config/powerpc/tm-linux.h (DEPRECATED_IN_SIGTRAMP): Ditto. diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 7c847ef..934b5d3 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -551,9 +551,26 @@ skip_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct rs6000_framedata *fdata) if ((op & 0xfc1fffff) == 0x7c0802a6) { /* mflr Rx */ - lr_reg = (op & 0x03e00000); + /* Since shared library / PIC code, which needs to get its + address at runtime, can appear to save more than one link + register vis: + + *INDENT-OFF* + stwu r1,-304(r1) + mflr r3 + bl 0xff570d0 (blrl) + stw r30,296(r1) + mflr r30 + stw r31,300(r1) + stw r3,308(r1); + ... + *INDENT-ON* + + remember just the first one, but skip over additional + ones. */ + if (lr_reg < 0) + lr_reg = (op & 0x03e00000); continue; - } else if ((op & 0xfc1fffff) == 0x7c000026) { /* mfcr Rx */ |