diff options
Diffstat (limited to 'gdb/tm-sun2.h')
| -rw-r--r-- | gdb/tm-sun2.h | 75 |
1 files changed, 2 insertions, 73 deletions
diff --git a/gdb/tm-sun2.h b/gdb/tm-sun2.h index 20fc4a1..21fd588 100644 --- a/gdb/tm-sun2.h +++ b/gdb/tm-sun2.h @@ -17,8 +17,6 @@ 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. */ -#include "m-68k.h" - /* Define this if the C compiler puts an underscore at the front of external names before giving them to the linker. */ @@ -30,78 +28,9 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Address of the end of stack space. We get this from the system include files. */ + #include <sys/types.h> #include <machine/vmparam.h> #define STACK_END_ADDR USRSTACK - -/* Things needed for making the inferior call functions. */ - -/* Push an empty stack frame, to record the current PC, etc. */ - -#define PUSH_DUMMY_FRAME \ -{ register CORE_ADDR sp = read_register (SP_REGNUM);\ - register int regnum; \ - sp = push_word (sp, read_register (PC_REGNUM)); \ - sp = push_word (sp, read_register (FP_REGNUM)); \ - write_register (FP_REGNUM, sp); \ - for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \ - sp = push_word (sp, read_register (regnum)); \ - sp = push_word (sp, read_register (PS_REGNUM)); \ - write_register (SP_REGNUM, sp); } - -/* Discard from the stack the innermost frame, restoring all registers. */ - -#define POP_FRAME \ -{ register FRAME frame = get_current_frame (); \ - register CORE_ADDR fp; \ - register int regnum; \ - struct frame_saved_regs fsr; \ - struct frame_info *fi; \ - fi = get_frame_info (frame); \ - fp = fi->frame; \ - get_frame_saved_regs (fi, &fsr); \ - for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \ - if (fsr.regs[regnum]) \ - write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \ - if (fsr.regs[PS_REGNUM]) \ - write_register (PS_REGNUM, read_memory_integer (fsr.regs[PS_REGNUM], 4)); \ - write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ - write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ - write_register (SP_REGNUM, fp + 8); \ - flush_cached_frames (); \ - set_current_frame ( create_new_frame (read_register (FP_REGNUM),\ - read_pc ())); } - -/* This sequence of words is the instructions - 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 24 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 {0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, 0x4e4f4e71} - -#define CALL_DUMMY_LENGTH 24 - -#define CALL_DUMMY_START_OFFSET 8 - -/* 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 + 16) = nargs * 4; \ - *(int *)((char *) dummyname + 10) = fun; } +#include "tm-68k.h" |