diff options
Diffstat (limited to 'gdb/config/pa/tm-hppab.h')
| -rw-r--r-- | gdb/config/pa/tm-hppab.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gdb/config/pa/tm-hppab.h b/gdb/config/pa/tm-hppab.h new file mode 100644 index 00000000000..1cd438df75e --- /dev/null +++ b/gdb/config/pa/tm-hppab.h @@ -0,0 +1,47 @@ +/* Parameters for execution on an HP PA-RISC machine running BSD, for GDB. + Contributed by the Center for Software Science at the + University of Utah (pa-gdb-bugs@cs.utah.edu). */ + +/* For BSD: + + The signal context structure pointer is always saved at the base + of the frame + 0x4. + + We get the PC & SP directly from the sigcontext structure itself. + For other registers we have to dive in a little deeper: + + The hardware save state pointer is at offset 0x10 within the + signal context structure. + + Within the hardware save state, registers are found in the same order + as the register numbers in GDB. */ + +#define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \ +{ \ + *(TMP) = read_memory_integer ((FRAME)->frame + 0x4, 4); \ + *(TMP) = read_memory_integer (*(TMP) + 0x18, 4); \ +} + +#define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ +{ \ + *(TMP) = read_memory_integer ((FRAME)->frame + 0x4, 4); \ + *(TMP) = read_memory_integer (*(TMP) + 0x8, 4); \ +} + +#define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ +{ \ + int i; \ + CORE_ADDR TMP; \ + TMP = read_memory_integer ((FRAME)->frame + 0x4, 4); \ + TMP = read_memory_integer (TMP + 0x10, 4); \ + for (i = 0; i < NUM_REGS; i++) \ + { \ + if (i == SP_REGNUM) \ + (FSR)->regs[SP_REGNUM] = read_memory_integer (TMP + SP_REGNUM * 4, 4); \ + else \ + (FSR)->regs[i] = TMP + i * 4; \ + } \ +} + +/* It's mostly just the common stuff. */ +#include "pa/tm-hppa.h" |