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Diffstat (limited to 'gdb/ptx4-nat.c')
| -rw-r--r-- | gdb/ptx4-nat.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/gdb/ptx4-nat.c b/gdb/ptx4-nat.c deleted file mode 100644 index 564b799..0000000 --- a/gdb/ptx4-nat.c +++ /dev/null @@ -1,209 +0,0 @@ -/* Native-dependent code for ptx 4.0 - Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc. - -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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "inferior.h" -#include "gdbcore.h" -#include <sys/procfs.h> -#include <sys/ptrace.h> -#include <sys/param.h> -#include <fcntl.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. */ - -void -supply_gregset (gregsetp) - 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 (gregsetp, regno) - gregset_t *gregsetp; - int regno; -{ - int regi; - extern char registers[]; - - for (regi = 0 ; regi < NUM_REGS ; regi++) - { - if ((regno == -1) || (regno == regi)) - { - (*gregsetp)[regi] = *(greg_t *)®isters[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. */ - -void -supply_fpregset (fpregsetp) - fpregset_t *fpregsetp; -{ - 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. */ - -void -fill_fpregset (fpregsetp, regno) - 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)); -{ - 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"); -#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, inferior_pid, &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, 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; - } - } - close(interp_fd); - return 0; -} |