/* IBM RS/6000 native-dependent code for GDB, the GNU debugger.
Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GDB.
#include "ppc-tdep.h"
#include "rs6000-tdep.h"
#include "exec.h"
-#include "gdb_stdint.h"
#include "observer.h"
+#include "xcoffread.h"
#include <sys/ptrace.h>
#include <sys/reg.h>
static void vmap_symtab (struct vmap *);
-static void exec_one_dummy_insn (void);
+static void exec_one_dummy_insn (struct gdbarch *);
extern void fixup_breakpoints (CORE_ADDR low, CORE_ADDR high, CORE_ADDR delta);
ISFLOAT to indicate whether REGNO is a floating point register. */
static int
-regmap (int regno, int *isfloat)
+regmap (struct gdbarch *gdbarch, int regno, int *isfloat)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
*isfloat = 0;
if (tdep->ppc_gp0_regnum <= regno
*isfloat = 1;
return regno - tdep->ppc_fp0_regnum + FPR0;
}
- else if (regno == gdbarch_pc_regnum (current_gdbarch))
+ else if (regno == gdbarch_pc_regnum (gdbarch))
return IAR;
else if (regno == tdep->ppc_ps_regnum)
return MSR;
static void
fetch_register (struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int addr[MAX_REGISTER_SIZE];
int nr, isfloat;
/* Retrieved values may be -1, so infer errors from errno. */
errno = 0;
- nr = regmap (regno, &isfloat);
+ nr = regmap (gdbarch, regno, &isfloat);
/* Floating-point registers. */
if (isfloat)
/* Bogus register number. */
else if (nr < 0)
{
- if (regno >= gdbarch_num_regs (current_gdbarch))
+ if (regno >= gdbarch_num_regs (gdbarch))
fprintf_unfiltered (gdb_stderr,
"gdb error: register no %d not implemented.\n",
regno);
even if the register is really only 32 bits. */
long long buf;
rs6000_ptrace64 (PT_READ_GPR, PIDGET (inferior_ptid), nr, 0, &buf);
- if (register_size (current_gdbarch, regno) == 8)
+ if (register_size (gdbarch, regno) == 8)
memcpy (addr, &buf, 8);
else
*addr = buf;
static void
store_register (const struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int addr[MAX_REGISTER_SIZE];
int nr, isfloat;
/* -1 can be a successful return value, so infer errors from errno. */
errno = 0;
- nr = regmap (regno, &isfloat);
+ nr = regmap (gdbarch, regno, &isfloat);
/* Floating-point registers. */
if (isfloat)
/* Bogus register number. */
else if (nr < 0)
{
- if (regno >= gdbarch_num_regs (current_gdbarch))
+ if (regno >= gdbarch_num_regs (gdbarch))
fprintf_unfiltered (gdb_stderr,
"gdb error: register no %d not implemented.\n",
regno);
/* Fixed-point registers. */
else
{
- if (regno == gdbarch_sp_regnum (current_gdbarch))
+ if (regno == gdbarch_sp_regnum (gdbarch))
/* Execute one dummy instruction (which is a breakpoint) in inferior
process to give kernel a chance to do internal housekeeping.
Otherwise the following ptrace(2) calls will mess up user stack
since kernel will get confused about the bottom of the stack
(%sp). */
- exec_one_dummy_insn ();
+ exec_one_dummy_insn (gdbarch);
/* The PT_WRITE_GPR operation is rather odd. For 32-bit inferiors,
the register's value is passed by value, but for 64-bit inferiors,
/* PT_WRITE_GPR requires the buffer parameter to point to an 8-byte
area, even if the register is really only 32 bits. */
long long buf;
- if (register_size (current_gdbarch, regno) == 8)
+ if (register_size (gdbarch, regno) == 8)
memcpy (&buf, addr, 8);
else
buf = *addr;
static void
rs6000_fetch_inferior_registers (struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
if (regno != -1)
fetch_register (regcache, regno);
else
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Read 32 general purpose registers. */
for (regno = tdep->ppc_gp0_regnum;
fetch_register (regcache, tdep->ppc_fp0_regnum + regno);
/* Read special registers. */
- fetch_register (regcache, gdbarch_pc_regnum (current_gdbarch));
+ fetch_register (regcache, gdbarch_pc_regnum (gdbarch));
fetch_register (regcache, tdep->ppc_ps_regnum);
fetch_register (regcache, tdep->ppc_cr_regnum);
fetch_register (regcache, tdep->ppc_lr_regnum);
static void
rs6000_store_inferior_registers (struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
if (regno != -1)
store_register (regcache, regno);
else
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Write general purpose registers first. */
for (regno = tdep->ppc_gp0_regnum;
store_register (regcache, tdep->ppc_fp0_regnum + regno);
/* Write special registers. */
- store_register (regcache, gdbarch_pc_regnum (current_gdbarch));
+ store_register (regcache, gdbarch_pc_regnum (gdbarch));
store_register (regcache, tdep->ppc_ps_regnum);
store_register (regcache, tdep->ppc_cr_regnum);
store_register (regcache, tdep->ppc_lr_regnum);
the status in *OURSTATUS. */
static ptid_t
-rs6000_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
+rs6000_wait (struct target_ops *ops,
+ ptid_t ptid, struct target_waitstatus *ourstatus)
{
pid_t pid;
int status, save_errno;
do
{
set_sigint_trap ();
- set_sigio_trap ();
do
{
}
while (pid == -1 && errno == EINTR);
- clear_sigio_trap ();
clear_sigint_trap ();
if (pid == -1)
/* Claim it exited with unknown signal. */
ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
- return minus_one_ptid;
+ return inferior_ptid;
}
/* Ignore terminated detached child processes. */
including u_area. */
static void
-exec_one_dummy_insn (void)
+exec_one_dummy_insn (struct gdbarch *gdbarch)
{
-#define DUMMY_INSN_ADDR gdbarch_tdep (current_gdbarch)->text_segment_base+0x200
+#define DUMMY_INSN_ADDR AIX_TEXT_SEGMENT_BASE+0x200
int ret, status, pid;
CORE_ADDR prev_pc;
last = 0;
/* FIXME??? am I tossing BFDs? bfd? */
while ((last = bfd_openr_next_archived_file (abfd, last)))
- if (DEPRECATED_STREQ (mem, last->filename))
+ if (strcmp (mem, last->filename) == 0)
break;
if (!last)
/* The filenames are not always sufficient to match on. */
- if ((name[0] == '/' && !DEPRECATED_STREQ (name, vp->name))
- || (memb[0] && !DEPRECATED_STREQ (memb, vp->member)))
+ if ((name[0] == '/' && strcmp (name, vp->name) != 0)
+ || (memb[0] && strcmp (memb, vp->member) != 0))
continue;
/* See if we are referring to the same file.
for (i = 0; &exec_ops.to_sections[i] < exec_ops.to_sections_end; i++)
{
- if (DEPRECATED_STREQ (".text", exec_ops.to_sections[i].the_bfd_section->name))
+ if (strcmp (".text", exec_ops.to_sections[i].the_bfd_section->name) == 0)
{
exec_ops.to_sections[i].addr += vmap->tstart - vmap->tvma;
exec_ops.to_sections[i].endaddr += vmap->tstart - vmap->tvma;
}
- else if (DEPRECATED_STREQ (".data", exec_ops.to_sections[i].the_bfd_section->name))
+ else if (strcmp (".data",
+ exec_ops.to_sections[i].the_bfd_section->name) == 0)
{
exec_ops.to_sections[i].addr += vmap->dstart - vmap->dvma;
exec_ops.to_sections[i].endaddr += vmap->dstart - vmap->dvma;
}
- else if (DEPRECATED_STREQ (".bss", exec_ops.to_sections[i].the_bfd_section->name))
+ else if (strcmp (".bss",
+ exec_ops.to_sections[i].the_bfd_section->name) == 0)
{
exec_ops.to_sections[i].addr += vmap->dstart - vmap->dvma;
exec_ops.to_sections[i].endaddr += vmap->dstart - vmap->dvma;
/* Set the current architecture from the host running GDB. Called when
starting a child process. */
-static void (*super_create_inferior) (char *exec_file, char *allargs,
- char **env, int from_tty);
+static void (*super_create_inferior) (struct target_ops *,char *exec_file,
+ char *allargs, char **env, int from_tty);
static void
-rs6000_create_inferior (char *exec_file, char *allargs, char **env, int from_tty)
+rs6000_create_inferior (struct target_ops * ops, char *exec_file,
+ char *allargs, char **env, int from_tty)
{
enum bfd_architecture arch;
unsigned long mach;
bfd abfd;
struct gdbarch_info info;
- super_create_inferior (exec_file, allargs, env, from_tty);
+ super_create_inferior (ops, exec_file, allargs, env, from_tty);
if (__power_rs ())
{
find_toc_address (CORE_ADDR pc)
{
struct vmap *vp;
- extern CORE_ADDR get_toc_offset (struct objfile *); /* xcoffread.c */
for (vp = vmap; vp; vp = vp->nxt)
{
if (pc >= vp->tstart && pc < vp->tend)
{
/* vp->objfile is only NULL for the exec file. */
- return vp->dstart + get_toc_offset (vp->objfile == NULL
- ? symfile_objfile
- : vp->objfile);
+ return vp->dstart + xcoff_get_toc_offset (vp->objfile == NULL
+ ? symfile_objfile
+ : vp->objfile);
}
}
error (_("Unable to find TOC entry for pc %s."), hex_string (pc));