/* OBSOLETE /* Acorn Risc Machine host machine support. */ /* OBSOLETE Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc. */ /* OBSOLETE */ /* OBSOLETE This file is part of GDB. */ /* OBSOLETE */ /* OBSOLETE This program is free software; you can redistribute it and/or modify */ /* OBSOLETE it under the terms of the GNU General Public License as published by */ /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ /* OBSOLETE (at your option) any later version. */ /* OBSOLETE */ /* OBSOLETE This program is distributed in the hope that it will be useful, */ /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ /* OBSOLETE GNU General Public License for more details. */ /* OBSOLETE */ /* OBSOLETE You should have received a copy of the GNU General Public License */ /* OBSOLETE along with this program; if not, write to the Free Software */ /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ /* OBSOLETE Boston, MA 02111-1307, USA. *x/ */ /* OBSOLETE */ /* OBSOLETE #include "defs.h" */ /* OBSOLETE #include "frame.h" */ /* OBSOLETE #include "inferior.h" */ /* OBSOLETE #include "opcode/arm.h" */ /* OBSOLETE */ /* OBSOLETE #include <sys/param.h> */ /* OBSOLETE #include <sys/dir.h> */ /* OBSOLETE #include <signal.h> */ /* OBSOLETE #include <sys/ioctl.h> */ /* OBSOLETE #include <sys/ptrace.h> */ /* OBSOLETE #include <machine/reg.h> */ /* OBSOLETE */ /* OBSOLETE #define N_TXTADDR(hdr) 0x8000 */ /* OBSOLETE #define N_DATADDR(hdr) (hdr.a_text + 0x8000) */ /* OBSOLETE */ /* OBSOLETE #include "gdbcore.h" */ /* OBSOLETE */ /* OBSOLETE #include <sys/user.h> /* After a.out.h *x/ */ /* OBSOLETE #include <sys/file.h> */ /* OBSOLETE #include "gdb_stat.h" */ /* OBSOLETE */ /* OBSOLETE #include <errno.h> */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE fetch_inferior_registers (regno) */ /* OBSOLETE int regno; /* Original value discarded *x/ */ /* OBSOLETE { */ /* OBSOLETE register unsigned int regaddr; */ /* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */ /* OBSOLETE register int i; */ /* OBSOLETE */ /* OBSOLETE struct user u; */ /* OBSOLETE unsigned int offset = (char *) &u.u_ar0 - (char *) &u; */ /* OBSOLETE offset = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0) */ /* OBSOLETE - KERNEL_U_ADDR; */ /* OBSOLETE */ /* OBSOLETE registers_fetched (); */ /* OBSOLETE */ /* OBSOLETE for (regno = 0; regno < 16; regno++) */ /* OBSOLETE { */ /* OBSOLETE regaddr = offset + regno * 4; */ /* OBSOLETE *(int *) &buf[0] = ptrace (PT_READ_U, inferior_pid, */ /* OBSOLETE (PTRACE_ARG3_TYPE) regaddr, 0); */ /* OBSOLETE if (regno == PC_REGNUM) */ /* OBSOLETE *(int *) &buf[0] = GET_PC_PART (*(int *) &buf[0]); */ /* OBSOLETE supply_register (regno, buf); */ /* OBSOLETE } */ /* OBSOLETE *(int *) &buf[0] = ptrace (PT_READ_U, inferior_pid, */ /* OBSOLETE (PTRACE_ARG3_TYPE) (offset + PC * 4), 0); */ /* OBSOLETE supply_register (PS_REGNUM, buf); /* set virtual register ps same as pc *x/ */ /* OBSOLETE */ /* OBSOLETE /* read the floating point registers *x/ */ /* OBSOLETE offset = (char *) &u.u_fp_regs - (char *) &u; */ /* OBSOLETE *(int *) buf = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0); */ /* OBSOLETE supply_register (FPS_REGNUM, buf); */ /* OBSOLETE for (regno = 16; regno < 24; regno++) */ /* OBSOLETE { */ /* OBSOLETE regaddr = offset + 4 + 12 * (regno - 16); */ /* OBSOLETE for (i = 0; i < 12; i += sizeof (int)) */ /* OBSOLETE *(int *) &buf[i] = ptrace (PT_READ_U, inferior_pid, */ /* OBSOLETE (PTRACE_ARG3_TYPE) (regaddr + i), 0); */ /* OBSOLETE supply_register (regno, buf); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Store our register values back into the inferior. */ /* OBSOLETE If REGNO is -1, do this for all registers. */ /* OBSOLETE Otherwise, REGNO specifies which register (so we can save time). *x/ */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE store_inferior_registers (regno) */ /* OBSOLETE int regno; */ /* OBSOLETE { */ /* OBSOLETE register unsigned int regaddr; */ /* OBSOLETE char buf[80]; */ /* OBSOLETE */ /* OBSOLETE struct user u; */ /* OBSOLETE unsigned long value; */ /* OBSOLETE unsigned int offset = (char *) &u.u_ar0 - (char *) &u; */ /* OBSOLETE offset = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0) */ /* OBSOLETE - KERNEL_U_ADDR; */ /* OBSOLETE */ /* OBSOLETE if (regno >= 0) */ /* OBSOLETE { */ /* OBSOLETE if (regno >= 16) */ /* OBSOLETE return; */ /* OBSOLETE regaddr = offset + 4 * regno; */ /* OBSOLETE errno = 0; */ /* OBSOLETE value = read_register (regno); */ /* OBSOLETE if (regno == PC_REGNUM) */ /* OBSOLETE value = SET_PC_PART (read_register (PS_REGNUM), value); */ /* OBSOLETE ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, value); */ /* OBSOLETE if (errno != 0) */ /* OBSOLETE { */ /* OBSOLETE sprintf (buf, "writing register number %d", regno); */ /* OBSOLETE perror_with_name (buf); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE else */ /* OBSOLETE for (regno = 0; regno < 15; regno++) */ /* OBSOLETE { */ /* OBSOLETE regaddr = offset + regno * 4; */ /* OBSOLETE errno = 0; */ /* OBSOLETE value = read_register (regno); */ /* OBSOLETE if (regno == PC_REGNUM) */ /* OBSOLETE value = SET_PC_PART (read_register (PS_REGNUM), value); */ /* OBSOLETE ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, value); */ /* OBSOLETE if (errno != 0) */ /* OBSOLETE { */ /* OBSOLETE sprintf (buf, "writing all regs, number %d", regno); */ /* OBSOLETE perror_with_name (buf); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Work with core dump and executable files, for GDB. */ /* OBSOLETE This code would be in corefile.c if it weren't machine-dependent. *x/ */ /* OBSOLETE */ /* OBSOLETE /* Structure to describe the chain of shared libraries used */ /* OBSOLETE by the execfile. */ /* OBSOLETE e.g. prog shares Xt which shares X11 which shares c. *x/ */ /* OBSOLETE */ /* OBSOLETE struct shared_library */ /* OBSOLETE { */ /* OBSOLETE struct exec_header header; */ /* OBSOLETE char name[SHLIBLEN]; */ /* OBSOLETE CORE_ADDR text_start; /* CORE_ADDR of 1st byte of text, this file *x/ */ /* OBSOLETE long data_offset; /* offset of data section in file *x/ */ /* OBSOLETE int chan; /* file descriptor for the file *x/ */ /* OBSOLETE struct shared_library *shares; /* library this one shares *x/ */ /* OBSOLETE }; */ /* OBSOLETE static struct shared_library *shlib = 0; */ /* OBSOLETE */ /* OBSOLETE /* Hook for `exec_file_command' command to call. *x/ */ /* OBSOLETE */ /* OBSOLETE extern void (*exec_file_display_hook) (); */ /* OBSOLETE */ /* OBSOLETE static CORE_ADDR unshared_text_start; */ /* OBSOLETE */ /* OBSOLETE /* extended header from exec file (for shared library info) *x/ */ /* OBSOLETE */ /* OBSOLETE static struct exec_header exec_header; */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE core_file_command (filename, from_tty) */ /* OBSOLETE char *filename; */ /* OBSOLETE int from_tty; */ /* OBSOLETE { */ /* OBSOLETE int val; */ /* OBSOLETE */ /* OBSOLETE /* Discard all vestiges of any previous core file */ /* OBSOLETE and mark data and stack spaces as empty. *x/ */ /* OBSOLETE */ /* OBSOLETE if (corefile) */ /* OBSOLETE free (corefile); */ /* OBSOLETE corefile = 0; */ /* OBSOLETE */ /* OBSOLETE if (corechan >= 0) */ /* OBSOLETE close (corechan); */ /* OBSOLETE corechan = -1; */ /* OBSOLETE */ /* OBSOLETE data_start = 0; */ /* OBSOLETE data_end = 0; */ /* OBSOLETE stack_start = STACK_END_ADDR; */ /* OBSOLETE stack_end = STACK_END_ADDR; */ /* OBSOLETE */ /* OBSOLETE /* Now, if a new core file was specified, open it and digest it. *x/ */ /* OBSOLETE */ /* OBSOLETE if (filename) */ /* OBSOLETE { */ /* OBSOLETE filename = tilde_expand (filename); */ /* OBSOLETE make_cleanup (free, filename); */ /* OBSOLETE */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE error ("To look at a core file, you must kill the program with \"kill\"."); */ /* OBSOLETE corechan = open (filename, O_RDONLY, 0); */ /* OBSOLETE if (corechan < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE /* 4.2-style (and perhaps also sysV-style) core dump file. *x/ */ /* OBSOLETE { */ /* OBSOLETE struct user u; */ /* OBSOLETE */ /* OBSOLETE unsigned int reg_offset, fp_reg_offset; */ /* OBSOLETE */ /* OBSOLETE val = myread (corechan, &u, sizeof u); */ /* OBSOLETE if (val < 0) */ /* OBSOLETE perror_with_name ("Not a core file: reading upage"); */ /* OBSOLETE if (val != sizeof u) */ /* OBSOLETE error ("Not a core file: could only read %d bytes", val); */ /* OBSOLETE */ /* OBSOLETE /* We are depending on exec_file_command having been called */ /* OBSOLETE previously to set exec_data_start. Since the executable */ /* OBSOLETE and the core file share the same text segment, the address */ /* OBSOLETE of the data segment will be the same in both. *x/ */ /* OBSOLETE data_start = exec_data_start; */ /* OBSOLETE */ /* OBSOLETE data_end = data_start + NBPG * u.u_dsize; */ /* OBSOLETE stack_start = stack_end - NBPG * u.u_ssize; */ /* OBSOLETE data_offset = NBPG * UPAGES; */ /* OBSOLETE stack_offset = NBPG * (UPAGES + u.u_dsize); */ /* OBSOLETE */ /* OBSOLETE /* Some machines put an absolute address in here and some put */ /* OBSOLETE the offset in the upage of the regs. *x/ */ /* OBSOLETE reg_offset = (int) u.u_ar0; */ /* OBSOLETE if (reg_offset > NBPG * UPAGES) */ /* OBSOLETE reg_offset -= KERNEL_U_ADDR; */ /* OBSOLETE fp_reg_offset = (char *) &u.u_fp_regs - (char *) &u; */ /* OBSOLETE */ /* OBSOLETE /* I don't know where to find this info. */ /* OBSOLETE So, for now, mark it as not available. *x/ */ /* OBSOLETE N_SET_MAGIC (core_aouthdr, 0); */ /* OBSOLETE */ /* OBSOLETE /* Read the register values out of the core file and store */ /* OBSOLETE them where `read_register' will find them. *x/ */ /* OBSOLETE */ /* OBSOLETE { */ /* OBSOLETE register int regno; */ /* OBSOLETE */ /* OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) */ /* OBSOLETE { */ /* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */ /* OBSOLETE */ /* OBSOLETE if (regno < 16) */ /* OBSOLETE val = lseek (corechan, reg_offset + 4 * regno, 0); */ /* OBSOLETE else if (regno < 24) */ /* OBSOLETE val = lseek (corechan, fp_reg_offset + 4 + 12 * (regno - 24), 0); */ /* OBSOLETE else if (regno == 24) */ /* OBSOLETE val = lseek (corechan, fp_reg_offset, 0); */ /* OBSOLETE else if (regno == 25) */ /* OBSOLETE val = lseek (corechan, reg_offset + 4 * PC, 0); */ /* OBSOLETE if (val < 0 */ /* OBSOLETE || (val = myread (corechan, buf, sizeof buf)) < 0) */ /* OBSOLETE { */ /* OBSOLETE char *buffer = (char *) alloca (strlen (REGISTER_NAME (regno)) */ /* OBSOLETE + 30); */ /* OBSOLETE strcpy (buffer, "Reading register "); */ /* OBSOLETE strcat (buffer, REGISTER_NAME (regno)); */ /* OBSOLETE */ /* OBSOLETE perror_with_name (buffer); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE if (regno == PC_REGNUM) */ /* OBSOLETE *(int *) buf = GET_PC_PART (*(int *) buf); */ /* OBSOLETE supply_register (regno, buf); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE if (filename[0] == '/') */ /* OBSOLETE corefile = savestring (filename, strlen (filename)); */ /* OBSOLETE else */ /* OBSOLETE { */ /* OBSOLETE corefile = concat (current_directory, "/", filename, NULL); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE flush_cached_frames (); */ /* OBSOLETE select_frame (get_current_frame (), 0); */ /* OBSOLETE validate_files (); */ /* OBSOLETE } */ /* OBSOLETE else if (from_tty) */ /* OBSOLETE printf ("No core file now.\n"); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE #if 0 */ /* OBSOLETE /* Work with core dump and executable files, for GDB. */ /* OBSOLETE This code would be in corefile.c if it weren't machine-dependent. *x/ */ /* OBSOLETE */ /* OBSOLETE /* Structure to describe the chain of shared libraries used */ /* OBSOLETE by the execfile. */ /* OBSOLETE e.g. prog shares Xt which shares X11 which shares c. *x/ */ /* OBSOLETE */ /* OBSOLETE struct shared_library */ /* OBSOLETE { */ /* OBSOLETE struct exec_header header; */ /* OBSOLETE char name[SHLIBLEN]; */ /* OBSOLETE CORE_ADDR text_start; /* CORE_ADDR of 1st byte of text, this file *x/ */ /* OBSOLETE long data_offset; /* offset of data section in file *x/ */ /* OBSOLETE int chan; /* file descriptor for the file *x/ */ /* OBSOLETE struct shared_library *shares; /* library this one shares *x/ */ /* OBSOLETE }; */ /* OBSOLETE static struct shared_library *shlib = 0; */ /* OBSOLETE */ /* OBSOLETE /* Hook for `exec_file_command' command to call. *x/ */ /* OBSOLETE */ /* OBSOLETE extern void (*exec_file_display_hook) (); */ /* OBSOLETE */ /* OBSOLETE static CORE_ADDR unshared_text_start; */ /* OBSOLETE */ /* OBSOLETE /* extended header from exec file (for shared library info) *x/ */ /* OBSOLETE */ /* OBSOLETE static struct exec_header exec_header; */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE exec_file_command (filename, from_tty) */ /* OBSOLETE char *filename; */ /* OBSOLETE int from_tty; */ /* OBSOLETE { */ /* OBSOLETE int val; */ /* OBSOLETE */ /* OBSOLETE /* Eliminate all traces of old exec file. */ /* OBSOLETE Mark text segment as empty. *x/ */ /* OBSOLETE */ /* OBSOLETE if (execfile) */ /* OBSOLETE free (execfile); */ /* OBSOLETE execfile = 0; */ /* OBSOLETE data_start = 0; */ /* OBSOLETE data_end -= exec_data_start; */ /* OBSOLETE text_start = 0; */ /* OBSOLETE unshared_text_start = 0; */ /* OBSOLETE text_end = 0; */ /* OBSOLETE exec_data_start = 0; */ /* OBSOLETE exec_data_end = 0; */ /* OBSOLETE if (execchan >= 0) */ /* OBSOLETE close (execchan); */ /* OBSOLETE execchan = -1; */ /* OBSOLETE if (shlib) */ /* OBSOLETE { */ /* OBSOLETE close_shared_library (shlib); */ /* OBSOLETE shlib = 0; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Now open and digest the file the user requested, if any. *x/ */ /* OBSOLETE */ /* OBSOLETE if (filename) */ /* OBSOLETE { */ /* OBSOLETE filename = tilde_expand (filename); */ /* OBSOLETE make_cleanup (free, filename); */ /* OBSOLETE */ /* OBSOLETE execchan = openp (getenv ("PATH"), 1, filename, O_RDONLY, 0, */ /* OBSOLETE &execfile); */ /* OBSOLETE if (execchan < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE */ /* OBSOLETE { */ /* OBSOLETE struct stat st_exec; */ /* OBSOLETE */ /* OBSOLETE #ifdef HEADER_SEEK_FD */ /* OBSOLETE HEADER_SEEK_FD (execchan); */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE val = myread (execchan, &exec_header, sizeof exec_header); */ /* OBSOLETE exec_aouthdr = exec_header.a_exec; */ /* OBSOLETE */ /* OBSOLETE if (val < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE */ /* OBSOLETE text_start = 0x8000; */ /* OBSOLETE */ /* OBSOLETE /* Look for shared library if needed *x/ */ /* OBSOLETE if (exec_header.a_exec.a_magic & MF_USES_SL) */ /* OBSOLETE shlib = open_shared_library (exec_header.a_shlibname, text_start); */ /* OBSOLETE */ /* OBSOLETE text_offset = N_TXTOFF (exec_aouthdr); */ /* OBSOLETE exec_data_offset = N_TXTOFF (exec_aouthdr) + exec_aouthdr.a_text; */ /* OBSOLETE */ /* OBSOLETE if (shlib) */ /* OBSOLETE { */ /* OBSOLETE unshared_text_start = shared_text_end (shlib) & ~0x7fff; */ /* OBSOLETE stack_start = shlib->header.a_exec.a_sldatabase; */ /* OBSOLETE stack_end = STACK_END_ADDR; */ /* OBSOLETE } */ /* OBSOLETE else */ /* OBSOLETE unshared_text_start = 0x8000; */ /* OBSOLETE text_end = unshared_text_start + exec_aouthdr.a_text; */ /* OBSOLETE */ /* OBSOLETE exec_data_start = unshared_text_start + exec_aouthdr.a_text; */ /* OBSOLETE exec_data_end = exec_data_start + exec_aouthdr.a_data; */ /* OBSOLETE */ /* OBSOLETE data_start = exec_data_start; */ /* OBSOLETE data_end += exec_data_start; */ /* OBSOLETE */ /* OBSOLETE fstat (execchan, &st_exec); */ /* OBSOLETE exec_mtime = st_exec.st_mtime; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE validate_files (); */ /* OBSOLETE } */ /* OBSOLETE else if (from_tty) */ /* OBSOLETE printf ("No executable file now.\n"); */ /* OBSOLETE */ /* OBSOLETE /* Tell display code (if any) about the changed file name. *x/ */ /* OBSOLETE if (exec_file_display_hook) */ /* OBSOLETE (*exec_file_display_hook) (filename); */ /* OBSOLETE } */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE #if 0 */ /* OBSOLETE /* Read from the program's memory (except for inferior processes). */ /* OBSOLETE This function is misnamed, since it only reads, never writes; and */ /* OBSOLETE since it will use the core file and/or executable file as necessary. */ /* OBSOLETE */ /* OBSOLETE It should be extended to write as well as read, FIXME, for patching files. */ /* OBSOLETE */ /* OBSOLETE Return 0 if address could be read, EIO if addresss out of bounds. *x/ */ /* OBSOLETE */ /* OBSOLETE int */ /* OBSOLETE xfer_core_file (memaddr, myaddr, len) */ /* OBSOLETE CORE_ADDR memaddr; */ /* OBSOLETE char *myaddr; */ /* OBSOLETE int len; */ /* OBSOLETE { */ /* OBSOLETE register int i; */ /* OBSOLETE register int val; */ /* OBSOLETE int xferchan; */ /* OBSOLETE char **xferfile; */ /* OBSOLETE int fileptr; */ /* OBSOLETE int returnval = 0; */ /* OBSOLETE */ /* OBSOLETE while (len > 0) */ /* OBSOLETE { */ /* OBSOLETE xferfile = 0; */ /* OBSOLETE xferchan = 0; */ /* OBSOLETE */ /* OBSOLETE /* Determine which file the next bunch of addresses reside in, */ /* OBSOLETE and where in the file. Set the file's read/write pointer */ /* OBSOLETE to point at the proper place for the desired address */ /* OBSOLETE and set xferfile and xferchan for the correct file. */ /* OBSOLETE */ /* OBSOLETE If desired address is nonexistent, leave them zero. */ /* OBSOLETE */ /* OBSOLETE i is set to the number of bytes that can be handled */ /* OBSOLETE along with the next address. */ /* OBSOLETE */ /* OBSOLETE We put the most likely tests first for efficiency. *x/ */ /* OBSOLETE */ /* OBSOLETE /* Note that if there is no core file */ /* OBSOLETE data_start and data_end are equal. *x/ */ /* OBSOLETE if (memaddr >= data_start && memaddr < data_end) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, data_end - memaddr); */ /* OBSOLETE fileptr = memaddr - data_start + data_offset; */ /* OBSOLETE xferfile = &corefile; */ /* OBSOLETE xferchan = corechan; */ /* OBSOLETE } */ /* OBSOLETE /* Note that if there is no core file */ /* OBSOLETE stack_start and stack_end define the shared library data. *x/ */ /* OBSOLETE else if (memaddr >= stack_start && memaddr < stack_end) */ /* OBSOLETE { */ /* OBSOLETE if (corechan < 0) */ /* OBSOLETE { */ /* OBSOLETE struct shared_library *lib; */ /* OBSOLETE for (lib = shlib; lib; lib = lib->shares) */ /* OBSOLETE if (memaddr >= lib->header.a_exec.a_sldatabase && */ /* OBSOLETE memaddr < lib->header.a_exec.a_sldatabase + */ /* OBSOLETE lib->header.a_exec.a_data) */ /* OBSOLETE break; */ /* OBSOLETE if (lib) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, lib->header.a_exec.a_sldatabase + */ /* OBSOLETE lib->header.a_exec.a_data - memaddr); */ /* OBSOLETE fileptr = lib->data_offset + memaddr - */ /* OBSOLETE lib->header.a_exec.a_sldatabase; */ /* OBSOLETE xferfile = execfile; */ /* OBSOLETE xferchan = lib->chan; */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE else */ /* OBSOLETE { */ /* OBSOLETE i = min (len, stack_end - memaddr); */ /* OBSOLETE fileptr = memaddr - stack_start + stack_offset; */ /* OBSOLETE xferfile = &corefile; */ /* OBSOLETE xferchan = corechan; */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE else if (corechan < 0 */ /* OBSOLETE && memaddr >= exec_data_start && memaddr < exec_data_end) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, exec_data_end - memaddr); */ /* OBSOLETE fileptr = memaddr - exec_data_start + exec_data_offset; */ /* OBSOLETE xferfile = &execfile; */ /* OBSOLETE xferchan = execchan; */ /* OBSOLETE } */ /* OBSOLETE else if (memaddr >= text_start && memaddr < text_end) */ /* OBSOLETE { */ /* OBSOLETE struct shared_library *lib; */ /* OBSOLETE for (lib = shlib; lib; lib = lib->shares) */ /* OBSOLETE if (memaddr >= lib->text_start && */ /* OBSOLETE memaddr < lib->text_start + lib->header.a_exec.a_text) */ /* OBSOLETE break; */ /* OBSOLETE if (lib) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, lib->header.a_exec.a_text + */ /* OBSOLETE lib->text_start - memaddr); */ /* OBSOLETE fileptr = memaddr - lib->text_start + text_offset; */ /* OBSOLETE xferfile = &execfile; */ /* OBSOLETE xferchan = lib->chan; */ /* OBSOLETE } */ /* OBSOLETE else */ /* OBSOLETE { */ /* OBSOLETE i = min (len, text_end - memaddr); */ /* OBSOLETE fileptr = memaddr - unshared_text_start + text_offset; */ /* OBSOLETE xferfile = &execfile; */ /* OBSOLETE xferchan = execchan; */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE else if (memaddr < text_start) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, text_start - memaddr); */ /* OBSOLETE } */ /* OBSOLETE else if (memaddr >= text_end */ /* OBSOLETE && memaddr < (corechan >= 0 ? data_start : exec_data_start)) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, data_start - memaddr); */ /* OBSOLETE } */ /* OBSOLETE else if (corechan >= 0 */ /* OBSOLETE && memaddr >= data_end && memaddr < stack_start) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, stack_start - memaddr); */ /* OBSOLETE } */ /* OBSOLETE else if (corechan < 0 && memaddr >= exec_data_end) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, -memaddr); */ /* OBSOLETE } */ /* OBSOLETE else if (memaddr >= stack_end && stack_end != 0) */ /* OBSOLETE { */ /* OBSOLETE i = min (len, -memaddr); */ /* OBSOLETE } */ /* OBSOLETE else */ /* OBSOLETE { */ /* OBSOLETE /* Address did not classify into one of the known ranges. */ /* OBSOLETE This shouldn't happen; we catch the endpoints. *x/ */ /* OBSOLETE internal_error ("Bad case logic in xfer_core_file."); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Now we know which file to use. */ /* OBSOLETE Set up its pointer and transfer the data. *x/ */ /* OBSOLETE if (xferfile) */ /* OBSOLETE { */ /* OBSOLETE if (*xferfile == 0) */ /* OBSOLETE if (xferfile == &execfile) */ /* OBSOLETE error ("No program file to examine."); */ /* OBSOLETE else */ /* OBSOLETE error ("No core dump file or running program to examine."); */ /* OBSOLETE val = lseek (xferchan, fileptr, 0); */ /* OBSOLETE if (val < 0) */ /* OBSOLETE perror_with_name (*xferfile); */ /* OBSOLETE val = myread (xferchan, myaddr, i); */ /* OBSOLETE if (val < 0) */ /* OBSOLETE perror_with_name (*xferfile); */ /* OBSOLETE } */ /* OBSOLETE /* If this address is for nonexistent memory, */ /* OBSOLETE read zeros if reading, or do nothing if writing. */ /* OBSOLETE Actually, we never right. *x/ */ /* OBSOLETE else */ /* OBSOLETE { */ /* OBSOLETE memset (myaddr, '\0', i); */ /* OBSOLETE returnval = EIO; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE memaddr += i; */ /* OBSOLETE myaddr += i; */ /* OBSOLETE len -= i; */ /* OBSOLETE } */ /* OBSOLETE return returnval; */ /* OBSOLETE } */ /* OBSOLETE #endif */