/* Native-dependent code for ptx 4.0
- Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1988, 1989, 1991, 1992, 1994, 1999, 2000, 2001
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
+#include "regcache.h"
#include <sys/procfs.h>
#include <sys/ptrace.h>
#include <sys/param.h>
#include <fcntl.h>
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
/* Given a pointer to a general register set in /proc format (gregset_t *),
- unpack the register contents and supply them as gdb's idea of the current
- register values. */
+ unpack the register contents and supply them as gdb's idea of the current
+ register values. */
void
-supply_gregset (gregsetp)
- gregset_t *gregsetp;
+supply_gregset (gregset_t *gregsetp)
{
- supply_register(EAX_REGNUM, (char *)&(*gregsetp)[EAX]);
- supply_register(EDX_REGNUM, (char *)&(*gregsetp)[EDX]);
- supply_register(ECX_REGNUM, (char *)&(*gregsetp)[ECX]);
- supply_register(EBX_REGNUM, (char *)&(*gregsetp)[EBX]);
- supply_register(ESI_REGNUM, (char *)&(*gregsetp)[ESI]);
- supply_register(EDI_REGNUM, (char *)&(*gregsetp)[EDI]);
- supply_register(ESP_REGNUM, (char *)&(*gregsetp)[UESP]);
- supply_register(EBP_REGNUM, (char *)&(*gregsetp)[EBP]);
- supply_register(EIP_REGNUM, (char *)&(*gregsetp)[EIP]);
- supply_register(EFLAGS_REGNUM, (char *)&(*gregsetp)[EFL]);
+ supply_register (EAX_REGNUM, (char *) &(*gregsetp)[EAX]);
+ supply_register (EDX_REGNUM, (char *) &(*gregsetp)[EDX]);
+ supply_register (ECX_REGNUM, (char *) &(*gregsetp)[ECX]);
+ supply_register (EBX_REGNUM, (char *) &(*gregsetp)[EBX]);
+ supply_register (ESI_REGNUM, (char *) &(*gregsetp)[ESI]);
+ supply_register (EDI_REGNUM, (char *) &(*gregsetp)[EDI]);
+ supply_register (ESP_REGNUM, (char *) &(*gregsetp)[UESP]);
+ supply_register (EBP_REGNUM, (char *) &(*gregsetp)[EBP]);
+ supply_register (EIP_REGNUM, (char *) &(*gregsetp)[EIP]);
+ supply_register (EFLAGS_REGNUM, (char *) &(*gregsetp)[EFL]);
}
void
-fill_gregset (gregsetp, regno)
- gregset_t *gregsetp;
- int regno;
+fill_gregset (gregset_t *gregsetp, int regno)
{
int regi;
- extern char registers[];
- for (regi = 0 ; regi < NUM_REGS ; regi++)
+ for (regi = 0; regi < NUM_REGS; regi++)
{
if ((regno == -1) || (regno == regi))
{
- (*gregsetp)[regi] = *(greg_t *)®isters[REGISTER_BYTE (regi)];
+ (*gregsetp)[regi] = *(greg_t *) & registers[REGISTER_BYTE (regi)];
}
}
}
-#if defined (FP0_REGNUM)
-
/* Given a pointer to a floating point register set in /proc format
- (fpregset_t *), unpack the register contents and supply them as gdb's
- idea of the current floating point register values. */
+ (fpregset_t *), unpack the register contents and supply them as gdb's
+ idea of the current floating point register values. */
-void
-supply_fpregset (fpregsetp)
- fpregset_t *fpregsetp;
+void
+supply_fpregset (fpregset_t *fpregsetp)
{
- supply_fpu_registers((struct fpusave *)&fpregsetp->fp_reg_set);
- supply_fpa_registers((struct fpasave *)&fpregsetp->f_wregs);
+ supply_fpu_registers ((struct fpusave *) &fpregsetp->fp_reg_set);
+ supply_fpa_registers ((struct fpasave *) &fpregsetp->f_wregs);
}
/* Given a pointer to a floating point register set in /proc format
- (fpregset_t *), update the register specified by REGNO from gdb's idea
- of the current floating point register set. If REGNO is -1, update
- them all. */
+ (fpregset_t *), update the register specified by REGNO from gdb's idea
+ of the current floating point register set. If REGNO is -1, update
+ them all. */
void
-fill_fpregset (fpregsetp, regno)
- fpregset_t *fpregsetp;
- int regno;
+fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
char *to;
char *from;
- extern char registers[];
/* FIXME: see m68k-tdep.c for an example, for the m68k. */
}
-#endif /* defined (FP0_REGNUM) */
-
/*
* This doesn't quite do the same thing as the procfs.c version, but give
* it the same name so we don't have to put an ifdef in solib.c.
*/
/* this could use elf_interpreter() from elfread.c */
int
-proc_iterate_over_mappings(func)
- int (*func) PARAMS ((int, CORE_ADDR));
+proc_iterate_over_mappings (int (*func) (int, CORE_ADDR))
{
- vaddr_t curseg, memptr;
- pt_vseg_t pv;
- int rv, cmperr;
- sec_ptr interp_sec;
- char *interp_content;
- int interp_fd, funcstat;
- unsigned int size;
- char buf1[NBPG], buf2[NBPG];
-
- /*
- * The following is really vile. We can get the name of the
- * shared library from the exec_bfd, and we can get a list of
- * each virtual memory segment, but there is no simple way to
- * find the mapped segment from the shared library (ala
- * procfs's PIOCOPENMEM). As a pretty nasty kludge, we
- * compare the virtual memory segment to the contents of the
- * .interp file. If they match, we assume that we've got the
- * right one.
- */
-
- /*
- * TODO: for attach, use XPT_OPENT to get the executable, in
- * case we're attached without knowning the executable's
- * filename.
- */
+ vaddr_t curseg, memptr;
+ pt_vseg_t pv;
+ int rv, cmperr;
+ sec_ptr interp_sec;
+ char *interp_content;
+ int interp_fd, funcstat;
+ unsigned int size;
+ char buf1[NBPG], buf2[NBPG];
+
+ /*
+ * The following is really vile. We can get the name of the
+ * shared library from the exec_bfd, and we can get a list of
+ * each virtual memory segment, but there is no simple way to
+ * find the mapped segment from the shared library (ala
+ * procfs's PIOCOPENMEM). As a pretty nasty kludge, we
+ * compare the virtual memory segment to the contents of the
+ * .interp file. If they match, we assume that we've got the
+ * right one.
+ */
+
+ /*
+ * TODO: for attach, use XPT_OPENT to get the executable, in
+ * case we're attached without knowning the executable's
+ * filename.
+ */
#ifdef VERBOSE_DEBUG
- printf("proc_iter\n");
+ printf ("proc_iter\n");
#endif
- interp_sec = bfd_get_section_by_name(exec_bfd, ".interp");
- if (!interp_sec) {
- return 0;
- }
+ interp_sec = bfd_get_section_by_name (exec_bfd, ".interp");
+ if (!interp_sec)
+ {
+ return 0;
+ }
- size = bfd_section_size(exec_bfd, interp_sec);
- interp_content = alloca(size);
- if (0 == bfd_get_section_contents(exec_bfd, interp_sec,
- interp_content, (file_ptr)0, size)) {
- return 0;
- }
+ size = bfd_section_size (exec_bfd, interp_sec);
+ interp_content = alloca (size);
+ if (0 == bfd_get_section_contents (exec_bfd, interp_sec,
+ interp_content, (file_ptr) 0, size))
+ {
+ return 0;
+ }
#ifdef VERBOSE_DEBUG
- printf("proc_iter: \"%s\"\n", interp_content);
+ printf ("proc_iter: \"%s\"\n", interp_content);
#endif
- interp_fd = open(interp_content, O_RDONLY, 0);
- if (-1 == interp_fd) {
- return 0;
- }
+ interp_fd = open (interp_content, O_RDONLY, 0);
+ if (-1 == interp_fd)
+ {
+ return 0;
+ }
- curseg = 0;
- while (1) {
- rv = ptrace(PT_NEXT_VSEG, inferior_pid, &pv, curseg);
+ curseg = 0;
+ while (1)
+ {
+ rv = ptrace (PT_NEXT_VSEG, PIDGET (inferior_ptid), &pv, curseg);
#ifdef VERBOSE_DEBUG
- printf("PT_NEXT_VSEG: rv %d errno %d\n", rv, errno);
+ printf ("PT_NEXT_VSEG: rv %d errno %d\n", rv, errno);
#endif
- if (-1 == rv)
- break;
- if (0 == rv)
- break;
+ if (-1 == rv)
+ break;
+ if (0 == rv)
+ break;
#ifdef VERBOSE_DEBUG
- printf("pv.pv_start 0x%x pv_size 0x%x pv_prot 0x%x\n",
- pv.pv_start, pv.pv_size, pv.pv_prot);
+ printf ("pv.pv_start 0x%x pv_size 0x%x pv_prot 0x%x\n",
+ pv.pv_start, pv.pv_size, pv.pv_prot);
#endif
- curseg = pv.pv_start + pv.pv_size;
-
- rv = lseek(interp_fd, 0, SEEK_SET);
- if (-1 == rv) {
- perror("lseek");
- close(interp_fd);
- return 0;
- }
- for (memptr = pv.pv_start; memptr < pv.pv_start + pv.pv_size;
- memptr += NBPG) {
+ curseg = pv.pv_start + pv.pv_size;
+
+ rv = lseek (interp_fd, 0, SEEK_SET);
+ if (-1 == rv)
+ {
+ perror ("lseek");
+ close (interp_fd);
+ return 0;
+ }
+ for (memptr = pv.pv_start; memptr < pv.pv_start + pv.pv_size;
+ memptr += NBPG)
+ {
#ifdef VERBOSE_DEBUG
- printf("memptr 0x%x\n", memptr);
+ printf ("memptr 0x%x\n", memptr);
#endif
- rv = read(interp_fd, buf1, NBPG);
- if (-1 == rv) {
- perror("read");
- close(interp_fd);
- return 0;
- }
- rv = ptrace(PT_RDATA_PAGE, inferior_pid, buf2,
- memptr);
- if (-1 == rv) {
- perror("ptrace");
- close(interp_fd);
- return 0;
- }
- cmperr = memcmp(buf1, buf2, NBPG);
- if (cmperr)
- break;
- }
- if (0 == cmperr) {
- /* this is it */
- funcstat = (*func)(interp_fd, pv.pv_start);
- break;
- }
+ rv = read (interp_fd, buf1, NBPG);
+ if (-1 == rv)
+ {
+ perror ("read");
+ close (interp_fd);
+ return 0;
+ }
+ rv = ptrace (PT_RDATA_PAGE, PIDGET (inferior_ptid), buf2,
+ memptr);
+ if (-1 == rv)
+ {
+ perror ("ptrace");
+ close (interp_fd);
+ return 0;
+ }
+ cmperr = memcmp (buf1, buf2, NBPG);
+ if (cmperr)
+ break;
}
- close(interp_fd);
- return 0;
+ if (0 == cmperr)
+ {
+ /* this is it */
+ funcstat = (*func) (interp_fd, pv.pv_start);
+ break;
+ }
+ }
+ close (interp_fd);
+ return 0;
}
projects / deliverable / binutils-gdb.git / blobdiff