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| author | Yao Qi <yao.qi@linaro.org> | 2016-12-09 09:51:20 +0000 |
|---|---|---|
| committer | Yao Qi <yao.qi@linaro.org> | 2016-12-09 09:51:20 +0000 |
| commit | 198cd59d289209ad63cdd6da45e02a1c12b423a7 (patch) | |
| tree | 3189baddf1d035a9cc1f488fcb6b8fb16a72bba6 /gdb/d-lang.h | |
| parent | 364ca42e71dfdce3f34e97ef028f7e3d5b5d880e (diff) | |
| download | gdb-198cd59d289209ad63cdd6da45e02a1c12b423a7.zip gdb-198cd59d289209ad63cdd6da45e02a1c12b423a7.tar.gz gdb-198cd59d289209ad63cdd6da45e02a1c12b423a7.tar.bz2 | |
Use code cache in arm prologue analyzer
This patch change arm prologue analyzer using code cache, in order
to improve the performance of remote debugging.
gdb.perf/skip-prologue.exp (measured by wall-time) is improved a lot,
Original Patched Original Patched
without dbg without dbg with dbg with dbg
-marm 14.166741848 9.32852292061 11.4908499718 9.16302204132
-marm 14.6705040932 9.34849786758 18.2788009644 9.14823913574
\-fstack-protector-all
-mthumb 34.4391930103 10.6062178612 13.7886838913 10.3094120026
-mthumb
\-fstack-protector-all 34.9310460091 10.6413481236 25.3875930309 10.6294929981
gdb:
2016-12-09 Yao Qi <yao.qi@linaro.org>
* arm-tdep.c (skip_prologue_function): Call
read_code_unsigned_integer instead of
read_memory_unsigned_integer.
(thumb_analyze_prologue): Likewise.
(arm_analyze_load_stack_chk_guard): Likewise.
(arm_skip_stack_protector): Likewise.
(arm_analyze_prologue):Likewise.
(extend_buffer_earlier): Call target_read_code instead
of target_read_memory.
(arm_adjust_breakpoint_address): Likewise.
Diffstat (limited to 'gdb/d-lang.h')
0 files changed, 0 insertions, 0 deletions