diff options
Diffstat (limited to 'gdb/gdbserver/linux-aarch32-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-aarch32-low.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gdb/gdbserver/linux-aarch32-low.c b/gdb/gdbserver/linux-aarch32-low.c index 74deca3..ed66e08 100644 --- a/gdb/gdbserver/linux-aarch32-low.c +++ b/gdb/gdbserver/linux-aarch32-low.c @@ -27,6 +27,27 @@ #include <elf.h> #endif +/* Correct in either endianness. */ +#define arm_abi_breakpoint 0xef9f0001UL + +/* For new EABI binaries. We recognize it regardless of which ABI + is used for gdbserver, so single threaded debugging should work + OK, but for multi-threaded debugging we only insert the current + ABI's breakpoint instruction. For now at least. */ +#define arm_eabi_breakpoint 0xe7f001f0UL + +#if (defined __ARM_EABI__ || defined __aarch64__) +static const unsigned long arm_breakpoint = arm_eabi_breakpoint; +#else +static const unsigned long arm_breakpoint = arm_abi_breakpoint; +#endif + +#define arm_breakpoint_len 4 +static const unsigned short thumb_breakpoint = 0xde01; +#define thumb_breakpoint_len 2 +const unsigned short thumb2_breakpoint[] = { 0xf7f0, 0xa000 }; +#define thumb2_breakpoint_len 4 + /* Some older versions of GNU/Linux and Android do not define the following macros. */ #ifndef NT_ARM_VFP |