diff options
Diffstat (limited to 'gdb/hppa-tdep.c')
-rw-r--r-- | gdb/hppa-tdep.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index b771170..d5595dc 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -866,7 +866,22 @@ restart: will return to. */ u = find_unwind_entry (pc); if (u && u->stub_type != 0) - goto restart; + { + unsigned int insn; + + /* If this is a dynamic executable, and we're in a signal handler, + then the call chain will eventually point us into the stub for + _sigreturn. Unlike most cases, we'll be pointed to the branch + to the real sigreturn rather than the code after the real branch!. + + Else, try to dig the address the stub will return to in the normal + fashion. */ + insn = read_memory_integer (pc, 4); + if ((insn & 0xfc00e000) == 0xe8000000) + return (pc + extract_17 (insn) + 8) & ~0x3; + else + goto restart; + } return pc; } |