diff options
Diffstat (limited to 'gdb/tm-vx68.h')
| -rw-r--r-- | gdb/tm-vx68.h | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/gdb/tm-vx68.h b/gdb/tm-vx68.h index b97c264..bafbf28 100644 --- a/gdb/tm-vx68.h +++ b/gdb/tm-vx68.h @@ -22,22 +22,18 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define DEFAULT_PROMPT "(vxgdb) " -/* Kludge... */ -#include "tm-sun3.h" +#define HAVE_68881 + +/* We have more complex, useful breakpoints on the target. */ +#define DECR_PC_AFTER_BREAK 0 + +#include "tm-68k.h" /* Define this if the C compiler puts an underscore at the front of external names before giving them to the linker. */ #define NAMES_HAVE_UNDERSCORE -#undef SAVED_PC_AFTER_CALL -#define SAVED_PC_AFTER_CALL(frame) \ - read_memory_integer (read_register (SP_REGNUM), 4) - -/* We have more complex, useful breakpoints on the target. */ -#undef DECR_PC_AFTER_BREAK -#define DECR_PC_AFTER_BREAK 0 - /* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ #undef FRAME_CHAIN #undef FRAME_CHAIN_VALID @@ -55,3 +51,33 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ never fetched anything), we are at the top of the stack. */ #define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) + +/* FIXME, Longjmp information stolen from Sun-3 config. Dunno if right. */ +/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least + documented in a comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_PSL 4 +#define JB_D2 5 +#define JB_D3 6 +#define JB_D4 7 +#define JB_D5 8 +#define JB_D6 9 +#define JB_D7 10 +#define JB_A2 11 +#define JB_A3 12 +#define JB_A4 13 +#define JB_A5 14 +#define JB_A6 15 + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) |