diff options
Diffstat (limited to 'gdb/tm-altos.h')
| -rw-r--r-- | gdb/tm-altos.h | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/gdb/tm-altos.h b/gdb/tm-altos.h index 3112fe1..bc0d2f9 100644 --- a/gdb/tm-altos.h +++ b/gdb/tm-altos.h @@ -17,9 +17,10 @@ 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. */ -/* Sequence of bytes for breakpoint instruction. */ +/* Define BPT_VECTOR if it is different than the default. + This is the vector number used by traps to indicate a breakpoint. */ -#define BREAKPOINT {0x4e, 0x4e} +#define BPT_VECTOR 0xe /* Define this if the C compiler puts an underscore at the front of external names before giving them to the linker. */ @@ -92,39 +93,5 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ set_current_frame (create_new_frame (read_register (FP_REGNUM), \ read_pc ())); } -/* This sequence of words is the instructions - fmovem 0xff,-(sp) - moveml 0xfffc,-(sp) - clrw -(sp) - movew ccr,-(sp) - /..* The arguments are pushed at this point by GDB; - no code is needed in the dummy for this. - The CALL_DUMMY_START_OFFSET gives the position of - the following jsr instruction. *../ - jsr @#32323232 - addl #69696969,sp - bpt - nop -Note this is 28 bytes. -We actually start executing at the jsr, since the pushing of the -registers is done by PUSH_DUMMY_FRAME. If this were real code, -the arguments for the function called by the jsr would be pushed -between the moveml and the jsr, and we could allow it to execute through. -But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is done, -and we cannot allow the moveml to push the registers again lest they be -taken for the arguments. */ - -#define CALL_DUMMY {0xf227e0ff, 0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, 0x4e4e4e71} - -#define CALL_DUMMY_LENGTH 28 - -#define CALL_DUMMY_START_OFFSET 12 - -/* Insert the specified number of args and function address - into a call sequence of the above form stored at DUMMYNAME. */ - -#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ -{ *(int *)((char *) dummyname + 20) = nargs * 4; \ - *(int *)((char *) dummyname + 14) = fun; } #include "tm-68k.h" |