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| author | Yao Qi <yao.qi@linaro.org> | 2015-12-11 11:19:52 +0000 |
|---|---|---|
| committer | Yao Qi <yao.qi@linaro.org> | 2015-12-11 11:19:52 +0000 |
| commit | db91f50261d30e66350281d18759aa7490672a34 (patch) | |
| tree | 42c9e5e17cceb0cf244bd179cfc2a34fc4255a5f | |
| parent | b37a6290beb90f4f65f1513626205f7bac695624 (diff) | |
| download | gdb-db91f50261d30e66350281d18759aa7490672a34.zip gdb-db91f50261d30e66350281d18759aa7490672a34.tar.gz gdb-db91f50261d30e66350281d18759aa7490672a34.tar.bz2 | |
Understand arm breakpoints in aarch64_breakpoint_at
AArch64 GDBserver can debug ARM program, and it should recognize
various arm breakpoint instructions. This patch should be included
in 17b1509a.
gdb/gdbserver:
2015-12-11 Yao Qi <yao.qi@linaro.org>
* linux-aarch64-low.c (aarch64_breakpoint_at): Call
arm_breakpoint_at if the process is 32-bit.
| -rw-r--r-- | gdb/gdbserver/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/gdbserver/linux-aarch64-low.c | 17 |
2 files changed, 16 insertions, 6 deletions
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index d8a817f..617c249 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,5 +1,10 @@ 2015-12-11 Yao Qi <yao.qi@linaro.org> + * linux-aarch64-low.c (aarch64_breakpoint_at): Call + arm_breakpoint_at if the process is 32-bit. + +2015-12-11 Yao Qi <yao.qi@linaro.org> + * linux-aarch32-low.c [__aarch64__]: Use arm_abi_breakpoint arm breakpoint. diff --git a/gdb/gdbserver/linux-aarch64-low.c b/gdb/gdbserver/linux-aarch64-low.c index 5fd3f51..b4eb36b 100644 --- a/gdb/gdbserver/linux-aarch64-low.c +++ b/gdb/gdbserver/linux-aarch64-low.c @@ -211,14 +211,19 @@ static const gdb_byte aarch64_breakpoint[] = {0x00, 0x00, 0x20, 0xd4}; static int aarch64_breakpoint_at (CORE_ADDR where) { - gdb_byte insn[aarch64_breakpoint_len]; + if (is_64bit_tdesc ()) + { + gdb_byte insn[aarch64_breakpoint_len]; - (*the_target->read_memory) (where, (unsigned char *) &insn, - aarch64_breakpoint_len); - if (memcmp (insn, aarch64_breakpoint, aarch64_breakpoint_len) == 0) - return 1; + (*the_target->read_memory) (where, (unsigned char *) &insn, + aarch64_breakpoint_len); + if (memcmp (insn, aarch64_breakpoint, aarch64_breakpoint_len) == 0) + return 1; - return 0; + return 0; + } + else + return arm_breakpoint_at (where); } static void |