diff options
Diffstat (limited to 'gdb/config')
| -rw-r--r-- | gdb/config/arm/tm-linux.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gdb/config/arm/tm-linux.h b/gdb/config/arm/tm-linux.h index 9dcd666..8f18e00 100644 --- a/gdb/config/arm/tm-linux.h +++ b/gdb/config/arm/tm-linux.h @@ -135,4 +135,26 @@ extern CORE_ADDR in_svr4_dynsym_resolve_code (CORE_ADDR pc, char *name); #define IN_SOLIB_DYNSYM_RESOLVE_CODE in_svr4_dynsym_resolve_code */ #endif +/* When the ARM Linux kernel invokes a signal handler, the return + address points at a special instruction which'll trap back into + the kernel. These definitions are used to identify this bit of + code as a signal trampoline in order to support backtracing + through calls to signal handlers. */ + +int arm_linux_in_sigtramp (CORE_ADDR pc, char *name); +#define IN_SIGTRAMP(pc, name) arm_linux_in_sigtramp (pc, name) + +/* Each OS has different mechanisms for accessing the various + registers stored in the sigcontext structure. These definitions + provide a mechanism by which the generic code in arm-tdep.c can + find the addresses at which various registers are saved at in the + sigcontext structure. If SIGCONTEXT_REGISTER_ADDRESS is not + defined, arm-tdep.c will define it to be 0. (See ia64-tdep.c and + ia64-linux-tdep.c to see what a similar mechanism looks like when + multi-arched.) */ + +extern CORE_ADDR arm_linux_sigcontext_register_address (CORE_ADDR, CORE_ADDR, + int); +#define SIGCONTEXT_REGISTER_ADDRESS arm_linux_sigcontext_register_address + #endif /* TM_ARMLINUX_H */ |