diff options
| author | Jiong Wang <jiwang@sourceware.org> | 2013-03-02 01:34:40 +0000 |
|---|---|---|
| committer | Jiong Wang <jiwang@sourceware.org> | 2013-03-02 01:34:40 +0000 |
| commit | d79e58d83cf2ba86afe15683d7fc68149d12e30f (patch) | |
| tree | 88666468cc2500d20f0c0f61b7625ca6b658fb85 | |
| parent | 0f4bfba480461cc249b951d268ecf9af5b96ca45 (diff) | |
| download | binutils-gdb-d79e58d83cf2ba86afe15683d7fc68149d12e30f.tar.gz | |
gdb/
* tilegx-tdep.c (tilegx_analyze_prologue): Limit bundle reading
to END_ADDR.
(tilegx_skip_prologue): Limit prologue analysis to section end
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/tilegx-tdep.c | 13 |
2 files changed, 18 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 48df60da566..a2ca6874a65 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2013-03-01 Jiong Wang <jiwang@tilera.com> + Pedro Alves <palves@redhat.com> + + * tilegx-tdep.c (tilegx_analyze_prologue): Limit bundle reading + to END_ADDR. + (tilegx_skip_prologue): Limit prologue analysis to section end. + 2013-03-01 Jan Kratochvil <jan.kratochvil@redhat.com> * dwarf2loc.c (call_site_find_chain_1): New variable save_callee_pc, diff --git a/gdb/tilegx-tdep.c b/gdb/tilegx-tdep.c index f45c20f14bd..a47605372e4 100644 --- a/gdb/tilegx-tdep.c +++ b/gdb/tilegx-tdep.c @@ -433,6 +433,8 @@ tilegx_analyze_prologue (struct gdbarch* gdbarch, if (instbuf_size > size_on_same_page) instbuf_size = size_on_same_page; + + instbuf_size = min (instbuf_size, (end_addr - next_addr)); instbuf_start = next_addr; status = safe_frame_unwind_memory (next_frame, instbuf_start, @@ -745,7 +747,8 @@ tilegx_analyze_prologue (struct gdbarch* gdbarch, static CORE_ADDR tilegx_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) { - CORE_ADDR func_start; + CORE_ADDR func_start, end_pc; + struct obj_section *s; /* This is the preferred method, find the end of the prologue by using the debugging information. */ @@ -758,10 +761,16 @@ tilegx_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) return max (start_pc, post_prologue_pc); } + /* Don't straddle a section boundary. */ + s = find_pc_section (start_pc); + end_pc = start_pc + 8 * TILEGX_BUNDLE_SIZE_IN_BYTES; + if (s != NULL) + end_pc = min (end_pc, obj_section_endaddr (s)); + /* Otherwise, try to skip prologue the hard way. */ return tilegx_analyze_prologue (gdbarch, start_pc, - start_pc + 8 * TILEGX_BUNDLE_SIZE_IN_BYTES, + end_pc, NULL, NULL); } |