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binutils-gdb/gdb/arm-xdep.c
Jason Molenda ed9a39ebf9 import gdb-1999-12-21 snapshot
1999-12-22 21:45:38 +00:00

576 lines
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/* 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 */
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