/* Functions specific to running gdb native on a SPARC running SunOS4.
- Copyright 1989, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
+ Copyright 1989, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
+#include "regcache.h"
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
#include <signal.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#define STACK_REGS 2
#define FP_REGS 4
-static void
-fetch_core_registers PARAMS ((char *, unsigned int, int, CORE_ADDR));
-
/* Fetch one or more registers from the inferior. REGNO == -1 to get
them all. We actually fetch more than requested, when convenient,
marking them as valid so we won't fetch them again. */
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
struct regs inferior_registers;
struct fp_status inferior_fp_registers;
/* We should never be called with deferred stores, because a prerequisite
for writing regs is to have fetched them all (PREPARE_TO_STORE), sigh. */
if (deferred_stores)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
DO_DEFERRED_STORES;
|| regno >= Y_REGNUM
|| (!register_valid[SP_REGNUM] && regno < I7_REGNUM))
{
- if (0 != ptrace (PTRACE_GETREGS, inferior_pid,
+ if (0 != ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) & inferior_registers, 0))
perror ("ptrace_getregs");
regno == FPS_REGNUM ||
(regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
{
- if (0 != ptrace (PTRACE_GETFPREGS, inferior_pid,
+ if (0 != ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
0))
perror ("ptrace_getfpregs");
all (16 ptrace calls!) if we really need them. */
if (regno == -1)
{
- target_read_memory (*(CORE_ADDR *) & registers[REGISTER_BYTE (SP_REGNUM)],
- ®isters[REGISTER_BYTE (L0_REGNUM)],
+ CORE_ADDR sp = *(unsigned int *) & registers[REGISTER_BYTE (SP_REGNUM)];
+ target_read_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)],
16 * REGISTER_RAW_SIZE (L0_REGNUM));
for (i = L0_REGNUM; i <= I7_REGNUM; i++)
register_valid[i] = 1;
}
else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
{
- CORE_ADDR sp = *(CORE_ADDR *) & registers[REGISTER_BYTE (SP_REGNUM)];
+ CORE_ADDR sp = *(unsigned int *) & registers[REGISTER_BYTE (SP_REGNUM)];
i = REGISTER_BYTE (regno);
if (register_valid[regno])
printf_unfiltered ("register %d valid and read\n", regno);
Otherwise, REGNO specifies which register (so we can save time). */
void
-store_inferior_registers (regno)
- int regno;
+store_inferior_registers (int regno)
{
struct regs inferior_registers;
struct fp_status inferior_fp_registers;
/* First decide which pieces of machine-state we need to modify.
Default for regno == -1 case is all pieces. */
if (regno >= 0)
- if (FP0_REGNUM <= regno && regno < FP0_REGNUM + 32)
- {
- wanna_store = FP_REGS;
- }
- else
- {
- if (regno == SP_REGNUM)
- wanna_store = INT_REGS + STACK_REGS;
- else if (regno < L0_REGNUM || regno > I7_REGNUM)
- wanna_store = INT_REGS;
- else if (regno == FPS_REGNUM)
+ {
+ if (FP0_REGNUM <= regno && regno < FP0_REGNUM + 32)
+ {
wanna_store = FP_REGS;
- else
- wanna_store = STACK_REGS;
- }
+ }
+ else
+ {
+ if (regno == SP_REGNUM)
+ wanna_store = INT_REGS + STACK_REGS;
+ else if (regno < L0_REGNUM || regno > I7_REGNUM)
+ wanna_store = INT_REGS;
+ else if (regno == FPS_REGNUM)
+ wanna_store = FP_REGS;
+ else
+ wanna_store = STACK_REGS;
+ }
+ }
/* See if we're forcing the stores to happen now, or deferring. */
if (regno == -2)
if (wanna_store & STACK_REGS)
{
- CORE_ADDR sp = *(CORE_ADDR *) & registers[REGISTER_BYTE (SP_REGNUM)];
+ CORE_ADDR sp = *(unsigned int *) & registers[REGISTER_BYTE (SP_REGNUM)];
if (regno < 0 || regno == SP_REGNUM)
{
if (!register_valid[L0_REGNUM + 5])
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
target_write_memory (sp,
®isters[REGISTER_BYTE (L0_REGNUM)],
16 * REGISTER_RAW_SIZE (L0_REGNUM));
else
{
if (!register_valid[regno])
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
target_write_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM),
®isters[REGISTER_BYTE (regno)],
REGISTER_RAW_SIZE (regno));
if (wanna_store & INT_REGS)
{
if (!register_valid[G1_REGNUM])
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
memcpy (&inferior_registers.r_g1, ®isters[REGISTER_BYTE (G1_REGNUM)],
15 * REGISTER_RAW_SIZE (G1_REGNUM));
inferior_registers.r_y =
*(int *) ®isters[REGISTER_BYTE (Y_REGNUM)];
- if (0 != ptrace (PTRACE_SETREGS, inferior_pid,
+ if (0 != ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) & inferior_registers, 0))
perror ("ptrace_setregs");
}
if (wanna_store & FP_REGS)
{
if (!register_valid[FP0_REGNUM + 9])
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
sizeof inferior_fp_registers.fpu_fr);
memcpy (&inferior_fp_registers.Fpu_fsr,
®isters[REGISTER_BYTE (FPS_REGNUM)], sizeof (FPU_FSR_TYPE));
if (0 !=
- ptrace (PTRACE_SETFPREGS, inferior_pid,
+ ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) & inferior_fp_registers, 0))
perror ("ptrace_setfpregs");
}
}
+/* Provide registers to GDB from a core file.
+
+ CORE_REG_SECT points to an array of bytes, which are the contents
+ of a `note' from a core file which BFD thinks might contain
+ register contents. CORE_REG_SIZE is its size.
+
+ WHICH says which register set corelow suspects this is:
+ 0 --- the general-purpose register set
+ 2 --- the floating-point register set
+
+ IGNORE is unused. */
static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- CORE_ADDR ignore; /* reg addr, unused in this version */
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
+ int which, CORE_ADDR ignore)
{
if (which == 0)
}
int
-kernel_u_size ()
+kernel_u_size (void)
{
return (sizeof (struct user));
}
};
void
-_initialize_core_sparc ()
+_initialize_core_sparc (void)
{
add_core_fns (&sparc_core_fns);
}
projects / deliverable / binutils-gdb.git / blobdiff