#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>
#include "gregset.h"
void
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]);
}
void
fill_gregset (gregset_t *gregsetp, int regno)
{
int regi;
for (regi = 0; regi < NUM_REGS; regi++)
{
if ((regno == -1) || (regno == regi))
{
(*gregsetp)[regi] = *(greg_t *) & deprecated_registers[REGISTER_BYTE (regi)];
}
}
}
void
supply_fpregset (fpregset_t *fpregsetp)
{
supply_fpu_registers ((struct fpusave *) &fpregsetp->fp_reg_set);
supply_fpa_registers ((struct fpasave *) &fpregsetp->f_wregs);
}
void
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
char *to;
char *from;
}
int
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];
#ifdef VERBOSE_DEBUG
printf ("proc_iter\n");
#endif
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;
}
#ifdef VERBOSE_DEBUG
printf ("proc_iter: \"%s\"\n", interp_content);
#endif
interp_fd = open (interp_content, O_RDONLY, 0);
if (-1 == interp_fd)
{
return 0;
}
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);
#endif
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);
#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)
{
#ifdef VERBOSE_DEBUG
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, PIDGET (inferior_ptid), buf2,
memptr);
if (-1 == rv)
{
perror ("ptrace");
close (interp_fd);
return 0;
}
cmperr = memcmp (buf1, buf2, NBPG);
if (cmperr)
break;
}
if (0 == cmperr)
{
funcstat = (*func) (interp_fd, pv.pv_start);
break;
}
}
close (interp_fd);
return 0;
}