diff options
Diffstat (limited to 'gdb/arm-xdep.c')
-rw-r--r-- | gdb/arm-xdep.c | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/gdb/arm-xdep.c b/gdb/arm-xdep.c deleted file mode 100644 index b38d26c..0000000 --- a/gdb/arm-xdep.c +++ /dev/null @@ -1,575 +0,0 @@ -/* 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 xfree (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 (xfree, 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 xfree (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 (xfree, 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 */ |