diff options
Diffstat (limited to 'gdb/alpha-tdep.c')
| -rw-r--r-- | gdb/alpha-tdep.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c index 08cd6d4..e07d75a 100644 --- a/gdb/alpha-tdep.c +++ b/gdb/alpha-tdep.c @@ -1,5 +1,5 @@ /* Target-dependent code for the ALPHA architecture, for GDB, the GNU Debugger. - Copyright 1993, 1994, 1995 Free Software Foundation, Inc. + Copyright 1993, 1994, 1995, 1996 Free Software Foundation, Inc. This file is part of GDB. @@ -489,7 +489,15 @@ heuristic_proc_desc(start_pc, limit_pc, next_frame) word = extract_unsigned_integer (buf, 4); if ((word & 0xffff0000) == 0x23de0000) /* lda $sp,n($sp) */ - frame_size += (-word) & 0xffff; + { + if (word & 0x8000) + frame_size += (-word) & 0xffff; + else + /* Exit loop if a positive stack adjustment is found, which + usually means that the stack cleanup code in the function + epilogue is reached. */ + break; + } else if ((word & 0xfc1f0000) == 0xb41e0000 /* stq reg,n($sp) */ && (word & 0xffff0000) != 0xb7fe0000) /* reg != $zero */ { @@ -728,7 +736,13 @@ find_proc_desc (pc, next_frame) if (offset >= 0) return push_sigtramp_desc (pc - offset); - if (startaddr == 0) + /* If heuristic_fence_post is non-zero, determine the procedure + start address by examining the instructions. + This allows us to find the start address of static functions which + have no symbolic information, as startaddr would have been set to + the preceding global function start address by the + find_pc_partial_function call above. */ + if (startaddr == 0 || heuristic_fence_post != 0) startaddr = heuristic_proc_start (pc); proc_desc = |