/* Native support for the SGI Iris running IRIX version 4, for GDB.
- Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1995
- Free Software Foundation, Inc.
+ Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1995, 1996, 1999, 2000,
+ 2001 Free Software Foundation, Inc.
Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU
and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin.
Implemented for Irix 4.x by Garrett A. Wollman.
#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
+#include "regcache.h"
#include <sys/time.h>
#include <sys/procfs.h>
#include <setjmp.h> /* For JB_XXX. */
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
/* Size of elements in jmpbuf */
#define JB_ELEMENT_SIZE 4
typedef unsigned int greg_t; /* why isn't this defined? */
-static void
-fetch_core_registers PARAMS ((char *, unsigned int, int, CORE_ADDR));
+static void fetch_core_registers (char *, unsigned int, int, CORE_ADDR);
/*
* See the comment in m68k-tdep.c regarding the utility of these functions.
*/
void
-supply_gregset (gregsetp)
- gregset_t *gregsetp;
+supply_gregset (gregset_t *gregsetp)
{
register int regi;
register greg_t *regp = (greg_t *) (gregsetp->gp_regs);
}
void
-fill_gregset (gregsetp, regno)
- gregset_t *gregsetp;
- int regno;
+fill_gregset (gregset_t *gregsetp, int regno)
{
int regi;
register greg_t *regp = (greg_t *) (gregsetp->gp_regs);
/* same FIXME as above wrt 32 */
for (regi = 0; regi < 32; regi++)
if ((regno == -1) || (regno == regi))
- *(regp + regi) = *(greg_t *) & registers[REGISTER_BYTE (regi)];
+ *(regp + regi) = *(greg_t *) & deprecated_registers[REGISTER_BYTE (regi)];
if ((regno == -1) || (regno == PC_REGNUM))
- gregsetp->gp_pc = *(greg_t *) & registers[REGISTER_BYTE (PC_REGNUM)];
+ gregsetp->gp_pc = *(greg_t *) & deprecated_registers[REGISTER_BYTE (PC_REGNUM)];
if ((regno == -1) || (regno == CAUSE_REGNUM))
- gregsetp->gp_cause = *(greg_t *) & registers[REGISTER_BYTE (CAUSE_REGNUM)];
+ gregsetp->gp_cause = *(greg_t *) & deprecated_registers[REGISTER_BYTE (CAUSE_REGNUM)];
if ((regno == -1) || (regno == HI_REGNUM))
- gregsetp->gp_mdhi = *(greg_t *) & registers[REGISTER_BYTE (HI_REGNUM)];
+ gregsetp->gp_mdhi = *(greg_t *) & deprecated_registers[REGISTER_BYTE (HI_REGNUM)];
if ((regno == -1) || (regno == LO_REGNUM))
- gregsetp->gp_mdlo = *(greg_t *) & registers[REGISTER_BYTE (LO_REGNUM)];
+ gregsetp->gp_mdlo = *(greg_t *) & deprecated_registers[REGISTER_BYTE (LO_REGNUM)];
}
/*
*/
void
-supply_fpregset (fpregsetp)
- fpregset_t *fpregsetp;
+supply_fpregset (fpregset_t *fpregsetp)
{
register int regi;
static char zerobuf[MAX_REGISTER_RAW_SIZE] =
}
void
-fill_fpregset (fpregsetp, regno)
- fpregset_t *fpregsetp;
- int regno;
+fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
char *from, *to;
{
if ((regno == -1) || (regno == regi))
{
- from = (char *) ®isters[REGISTER_BYTE (regi)];
+ from = (char *) &deprecated_registers[REGISTER_BYTE (regi)];
to = (char *) &(fpregsetp->fp_r.fp_regs[regi - FP0_REGNUM]);
memcpy (to, from, REGISTER_RAW_SIZE (regi));
}
}
if ((regno == -1) || (regno == FCRCS_REGNUM))
- fpregsetp->fp_csr = *(unsigned *) ®isters[REGISTER_BYTE (FCRCS_REGNUM)];
+ fpregsetp->fp_csr = *(unsigned *) &deprecated_registers[REGISTER_BYTE (FCRCS_REGNUM)];
}
This routine returns true on success. */
int
-get_longjmp_target (pc)
- CORE_ADDR *pc;
+get_longjmp_target (CORE_ADDR *pc)
{
- char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT];
+ char *buf;
CORE_ADDR jb_addr;
+ buf = alloca (TARGET_PTR_BIT / TARGET_CHAR_BIT);
jb_addr = read_register (A0_REGNUM);
if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf,
return 1;
}
+/* Provide registers to GDB from a core file.
+
+ CORE_REG_SECT points to an array of bytes, which were obtained from
+ a core file which BFD thinks might contain register contents.
+ CORE_REG_SIZE is its size.
+
+ Normally, WHICH says which register set corelow suspects this is:
+ 0 --- the general-purpose register set
+ 2 --- the floating-point register set
+ However, for Irix 4, WHICH isn't used.
+
+ REG_ADDR is also unused. */
+
static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which; /* Unused */
- CORE_ADDR reg_addr; /* Unused */
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
+ int which, CORE_ADDR reg_addr)
{
if (core_reg_size != REGISTER_BYTES)
{
return;
}
- memcpy ((char *) registers, core_reg_sect, core_reg_size);
+ memcpy ((char *) deprecated_registers, core_reg_sect, core_reg_size);
}
\f
};
void
-_initialize_core_irix4 ()
+_initialize_core_irix4 (void)
{
add_core_fns (&irix4_core_fns);
}