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* vax-tdep.c: Include regcache.h.

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(vax_call_dummy_words): New.
(sizeof_vax_call_dummy_words): New.
(vax_fix_call_dummy): New function.
(vax_saved_pc_after_call): Ditto.
* config/vax/tm-vax.h: Don't include regcache.h.
(SAVED_PC_AFTER_CALL): Use vax_saved_pc_after_call.
(CALL_DUMMY): Remove.
(CALL_DUMMY_WORDS): Define.
(SIZEOF_CALL_DUMMY_WORDS): Define.
(FIX_CALL_DUMMY): Use vax_fix_call_dummy.
This commit is contained in:
Jason Thorpe 2002-04-22 23:13:50 +00:00
parent 47a73475e9
commit a33f755889
3 changed files with 53 additions and 25 deletions
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14
gdb/ChangeLog
View File

@ -1,3 +1,17 @@
2002-04-22 Jason Thorpe <thorpej@wasabisystems.com>
* vax-tdep.c: Include regcache.h.
(vax_call_dummy_words): New.
(sizeof_vax_call_dummy_words): New.
(vax_fix_call_dummy): New function.
(vax_saved_pc_after_call): Ditto.
* config/vax/tm-vax.h: Don't include regcache.h.
(SAVED_PC_AFTER_CALL): Use vax_saved_pc_after_call.
(CALL_DUMMY): Remove.
(CALL_DUMMY_WORDS): Define.
(SIZEOF_CALL_DUMMY_WORDS): Define.
(FIX_CALL_DUMMY): Use vax_fix_call_dummy.
2002-04-18 Michael Snyder <msnyder@redhat.com>
* arm-tdep.h: Change regnum defines to enums for ease of debugging.

38
gdb/config/vax/tm-vax.h
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@ -19,25 +19,16 @@
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "regcache.h"
/* Offset from address of function to start of its code.
Zero on most machines. */
#define FUNCTION_START_OFFSET 2
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
extern CORE_ADDR vax_skip_prologue (CORE_ADDR);
#define SKIP_PROLOGUE(pc) (vax_skip_prologue (pc))
/* Immediately after a function call, return the saved pc.
Can't always go through the frames for this because on some machines
the new frame is not set up until the new function executes
some instructions. */
#define SAVED_PC_AFTER_CALL(frame) FRAME_SAVED_PC(frame)
#define SAVED_PC_AFTER_CALL(frame) vax_saved_pc_after_call ((frame))
extern CORE_ADDR vax_saved_pc_after_call (struct frame_info *);
#define TARGET_UPAGES 14
#define TARGET_NBPG 512
@ -177,24 +168,23 @@ extern void vax_push_dummy_frame (void);
#define POP_FRAME vax_pop_frame()
extern void vax_pop_frame (void);
/* This sequence of words is the instructions
calls #69, @#32323232
bpt
Note this is 8 bytes. */
#define CALL_DUMMY_WORDS vax_call_dummy_words
extern LONGEST vax_call_dummy_words[];
#define CALL_DUMMY {0x329f69fb, 0x03323232}
#define SIZEOF_CALL_DUMMY_WORDS sizeof_vax_call_dummy_words
extern int sizeof_vax_call_dummy_words;
#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */
struct value;
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
vax_fix_call_dummy ((dummyname), (pc), (fun), (nargs), (args), (type), \
(gcc_p))
extern void vax_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
struct value **, struct type *, int);
#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */
#define CALL_DUMMY_BREAKPOINT_OFFSET 7
/* 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) \
{ *((char *) dummyname + 1) = nargs; \
*(int *)((char *) dummyname + 3) = fun; }
/* If vax pcc says CHAR or SHORT, it provides the correct address. */
#define BELIEVE_PCC_PROMOTION 1

26
gdb/vax-tdep.c
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@ -23,6 +23,7 @@
#include "symtab.h"
#include "opcode/vax.h"
#include "gdbcore.h"
#include "regcache.h"
#include "frame.h"
#include "value.h"
@ -234,6 +235,24 @@ vax_pop_frame (void)
write_register (SP_REGNUM, fp);
flush_cached_frames ();
}
/* The VAX call dummy sequence:
calls #69, @#32323232
bpt
It is 8 bytes long. The address and argc are patched by
vax_fix_call_dummy(). */
LONGEST vax_call_dummy_words[] = { 0x329f69fb, 0x03323232 };
int sizeof_vax_call_dummy_words = sizeof(vax_call_dummy_words);
void
vax_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
struct value **args, struct type *type, int gcc_p)
{
dummy[1] = nargs;
store_unsigned_integer (dummy + 3, 4, fun);
}
void
vax_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
@ -288,7 +307,12 @@ vax_skip_prologue (CORE_ADDR pc)
return pc;
}
CORE_ADDR
vax_saved_pc_after_call (struct frame_info *frame)
{
return (FRAME_SAVED_PC(frame));
}
/* Print the vax instruction at address MEMADDR in debugged memory,
from disassembler info INFO.
Returns length of the instruction, in bytes. */