diff options
Diffstat (limited to 'gdb/config/m68k/tm-sun3.h')
| -rw-r--r-- | gdb/config/m68k/tm-sun3.h | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/gdb/config/m68k/tm-sun3.h b/gdb/config/m68k/tm-sun3.h index 716b194..87ddc9e 100644 --- a/gdb/config/m68k/tm-sun3.h +++ b/gdb/config/m68k/tm-sun3.h @@ -17,10 +17,29 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* Let native-versus-cross support code know we are targeting sun3, - and modify registers to include sun3 fpustate register. */ +#ifndef TM_SUN3_H +#define TM_SUN3_H -#define GDB_TARGET_IS_SUN3 1 +/* Sun3 status includes fpflags, which shows whether the FPU has been used + by the process, and whether the FPU was done with an instruction or + was interrupted in the middle of a long instruction. See + <machine/reg.h>. */ +/* a&d, pc,sr, fp, fpstat, fpflags */ + +#define REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4 + 4) + +#define NUM_REGS 31 + +#define REGISTER_BYTES_OK(b) \ + ((b) == REGISTER_BYTES \ + || (b) == REGISTER_BYTES_FP \ + || (b) == REGISTER_BYTES_NOFP) + +/* If PC contains this instruction, then we know what we are in a system + call stub, and the return PC is is at SP+4, instead of SP. */ + +#define SYSCALL_TRAP 0x4e40 /* trap #0 */ +#define SYSCALL_TRAP_OFFSET 0 /* PC points at trap instruction */ #include "m68k/tm-m68k.h" @@ -53,16 +72,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) -#undef SAVED_PC_AFTER_CALL - -#ifdef __STDC__ -struct frame_info; -#endif - -extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *)); - -#define SAVED_PC_AFTER_CALL(frame) \ - m68k_saved_pc_after_call(frame) +/* If sun3 pcc says that a parameter is a short, it's a short. */ +#define BELIEVE_PCC_PROMOTION_TYPE /* Sun /bin/cc gets this right as of SunOS 4.1.x. We need to define BELIEVE_PCC_PROMOTION to get this right now that the code which @@ -92,3 +103,5 @@ extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *)); #undef SIG_PC_FP_OFFSET #define SIG_PC_FP_OFFSET 324 #define SIG_SP_FP_OFFSET 332 + +#endif /* TM_SUN3_H */ |