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| 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 | 61d4abcd94f18c2946f2da381a4aebb7fea42dd4 (patch) | |
| tree | 1cb10fc08c27b37f5dd2c2108251f4c3eb186373 /gdb/rs6000-tdep.c | |
| parent | 554fa359c6e0bba3999d15383167519f3ce0783a (diff) | |
| download | gdb-61d4abcd94f18c2946f2da381a4aebb7fea42dd4.tar.gz | |
2004-03-18 Andrew Cagney <cagney@redhat.com>
* rs6000-tdep.c (skip_prologue): Record only the first LR save.
Diffstat (limited to 'gdb/rs6000-tdep.c')
| -rw-r--r-- | gdb/rs6000-tdep.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 7c847ef1830..934b5d303b3 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 */ |