diff options
author | Andrew Cagney <cagney@redhat.com> | 2001-02-08 06:30:25 +0000 |
---|---|---|
committer | Andrew Cagney <cagney@redhat.com> | 2001-02-08 06:30:25 +0000 |
commit | 7fcca85b94e4e65b955508154a44466a2b79dff4 (patch) | |
tree | 6894b5f9c430dc46fd4a2afa40691c11880e0b27 /gdb/pyr-xdep.c | |
parent | 8e65ff28b0780a52bdbe067b6297a66f9ec4e16e (diff) | |
download | gdb-7fcca85b94e4e65b955508154a44466a2b79dff4.zip gdb-7fcca85b94e4e65b955508154a44466a2b79dff4.tar.gz gdb-7fcca85b94e4e65b955508154a44466a2b79dff4.tar.bz2 |
Remove configurations marked as obsolete in 5.0.
Diffstat (limited to 'gdb/pyr-xdep.c')
-rw-r--r-- | gdb/pyr-xdep.c | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/gdb/pyr-xdep.c b/gdb/pyr-xdep.c deleted file mode 100644 index dd0ba1c..0000000 --- a/gdb/pyr-xdep.c +++ /dev/null @@ -1,369 +0,0 @@ -/* OBSOLETE /* Low level Pyramid interface to ptrace, for GDB when running under Unix. */ -/* 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, Boston, MA 02111-1307, USA. *x/ */ -/* OBSOLETE */ -/* OBSOLETE #include "defs.h" */ -/* OBSOLETE #include "frame.h" */ -/* OBSOLETE #include "inferior.h" */ -/* OBSOLETE */ -/* OBSOLETE #include <sys/param.h> */ -/* OBSOLETE #include <sys/dir.h> */ -/* OBSOLETE #include <signal.h> */ -/* OBSOLETE #include <sys/ioctl.h> */ -/* OBSOLETE /* #include <fcntl.h> Can we live without this? *x/ */ -/* OBSOLETE */ -/* OBSOLETE #include "gdbcore.h" */ -/* OBSOLETE #include <sys/user.h> /* After a.out.h *x/ */ -/* OBSOLETE #include <sys/file.h> */ -/* OBSOLETE #include "gdb_stat.h" */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE void */ -/* OBSOLETE fetch_inferior_registers (regno) */ -/* OBSOLETE int regno; */ -/* OBSOLETE { */ -/* OBSOLETE register int datum; */ -/* OBSOLETE register unsigned int regaddr; */ -/* OBSOLETE int reg_buf[NUM_REGS+1]; */ -/* OBSOLETE struct user u; */ -/* OBSOLETE register int skipped_frames = 0; */ -/* OBSOLETE */ -/* OBSOLETE registers_fetched (); */ -/* OBSOLETE */ -/* OBSOLETE for (regno = 0; regno < 64; regno++) { */ -/* OBSOLETE reg_buf[regno] = ptrace (3, inferior_pid, (PTRACE_ARG3_TYPE) regno, 0); */ -/* OBSOLETE */ -/* OBSOLETE #if defined(PYRAMID_CONTROL_FRAME_DEBUGGING) */ -/* OBSOLETE printf_unfiltered ("Fetching register %s, got %0x\n", */ -/* OBSOLETE REGISTER_NAME (regno), */ -/* OBSOLETE reg_buf[regno]); */ -/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */ -/* OBSOLETE */ -/* OBSOLETE if (reg_buf[regno] == -1 && errno == EIO) { */ -/* OBSOLETE printf_unfiltered("fetch_interior_registers: fetching register %s\n", */ -/* OBSOLETE REGISTER_NAME (regno)); */ -/* OBSOLETE errno = 0; */ -/* OBSOLETE } */ -/* OBSOLETE supply_register (regno, reg_buf+regno); */ -/* OBSOLETE } */ -/* OBSOLETE /* that leaves regs 64, 65, and 66 *x/ */ -/* OBSOLETE datum = ptrace (3, inferior_pid, */ -/* OBSOLETE (PTRACE_ARG3_TYPE) (((char *)&u.u_pcb.pcb_csp) - */ -/* OBSOLETE ((char *)&u)), 0); */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE /* FIXME: Find the Current Frame Pointer (CFP). CFP is a global */ -/* OBSOLETE register (ie, NOT windowed), that gets saved in a frame iff */ -/* OBSOLETE the code for that frame has a prologue (ie, "adsf N"). If */ -/* OBSOLETE there is a prologue, the adsf insn saves the old cfp in */ -/* OBSOLETE pr13, cfp is set to sp, and N bytes of locals are allocated */ -/* OBSOLETE (sp is decremented by n). */ -/* OBSOLETE This makes finding CFP hard. I guess the right way to do it */ -/* OBSOLETE is: */ -/* OBSOLETE - If this is the innermost frame, believe ptrace() or */ -/* OBSOLETE the core area. */ -/* OBSOLETE - Otherwise: */ -/* OBSOLETE Find the first insn of the current frame. */ -/* OBSOLETE - find the saved pc; */ -/* OBSOLETE - find the call insn that saved it; */ -/* OBSOLETE - figure out where the call is to; */ -/* OBSOLETE - if the first insn is an adsf, we got a frame */ -/* OBSOLETE pointer. *x/ */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE /* Normal processors have separate stack pointers for user and */ -/* OBSOLETE kernel mode. Getting the last user mode frame on such */ -/* OBSOLETE machines is easy: the kernel context of the ptrace()'d */ -/* OBSOLETE process is on the kernel stack, and the USP points to what */ -/* OBSOLETE we want. But Pyramids only have a single cfp for both user and */ -/* OBSOLETE kernel mode. And processes being ptrace()'d have some */ -/* OBSOLETE kernel-context control frames on their stack. */ -/* OBSOLETE To avoid tracing back into the kernel context of an inferior, */ -/* OBSOLETE we skip 0 or more contiguous control frames where the pc is */ -/* OBSOLETE in the kernel. *x/ */ -/* OBSOLETE */ -/* OBSOLETE while (1) { */ -/* OBSOLETE register int inferior_saved_pc; */ -/* OBSOLETE inferior_saved_pc = ptrace (1, inferior_pid, */ -/* OBSOLETE (PTRACE_ARG3_TYPE) (datum+((32+15)*4)), 0); */ -/* OBSOLETE if (inferior_saved_pc > 0) break; */ -/* OBSOLETE #if defined(PYRAMID_CONTROL_FRAME_DEBUGGING) */ -/* OBSOLETE printf_unfiltered("skipping kernel frame %08x, pc=%08x\n", datum, */ -/* OBSOLETE inferior_saved_pc); */ -/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */ -/* OBSOLETE skipped_frames++; */ -/* OBSOLETE datum -= CONTROL_STACK_FRAME_SIZE; */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE reg_buf[CSP_REGNUM] = datum; */ -/* OBSOLETE supply_register(CSP_REGNUM, reg_buf+CSP_REGNUM); */ -/* OBSOLETE #ifdef PYRAMID_CONTROL_FRAME_DEBUGGING */ -/* OBSOLETE if (skipped_frames) { */ -/* OBSOLETE fprintf_unfiltered (gdb_stderr, */ -/* OBSOLETE "skipped %d frames from %x to %x; cfp was %x, now %x\n", */ -/* OBSOLETE skipped_frames, reg_buf[CSP_REGNUM]); */ -/* OBSOLETE } */ -/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */ -/* 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 if (regno >= 0) */ -/* OBSOLETE { */ -/* OBSOLETE if ((0 <= regno) && (regno < 64)) { */ -/* OBSOLETE /*regaddr = register_addr (regno, offset);*x/ */ -/* OBSOLETE regaddr = regno; */ -/* OBSOLETE errno = 0; */ -/* OBSOLETE ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, */ -/* OBSOLETE read_register (regno)); */ -/* OBSOLETE if (errno != 0) */ -/* OBSOLETE { */ -/* OBSOLETE sprintf (buf, "writing register number %d", regno); */ -/* OBSOLETE perror_with_name (buf); */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE else */ -/* OBSOLETE { */ -/* OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) */ -/* OBSOLETE { */ -/* OBSOLETE /*regaddr = register_addr (regno, offset);*x/ */ -/* OBSOLETE regaddr = regno; */ -/* OBSOLETE errno = 0; */ -/* OBSOLETE ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, */ -/* OBSOLETE read_register (regno)); */ -/* OBSOLETE if (errno != 0) */ -/* OBSOLETE { */ -/* OBSOLETE sprintf (buf, "writing all regs, number %d", regno); */ -/* OBSOLETE perror_with_name (buf); */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /*** Extensions to core and dump files, for GDB. *x/ */ -/* OBSOLETE */ -/* OBSOLETE extern unsigned int last_frame_offset; */ -/* OBSOLETE */ -/* OBSOLETE #ifdef PYRAMID_CORE */ -/* OBSOLETE */ -/* OBSOLETE /* Can't make definitions here static, since corefile.c needs them */ -/* OBSOLETE to do bounds checking on the core-file areas. O well. *x/ */ -/* OBSOLETE */ -/* OBSOLETE /* have two stacks: one for data, one for register windows. *x/ */ -/* OBSOLETE extern CORE_ADDR reg_stack_start; */ -/* OBSOLETE extern CORE_ADDR reg_stack_end; */ -/* OBSOLETE */ -/* OBSOLETE /* need this so we can find the global registers: they never get saved. *x/ */ -/* OBSOLETE CORE_ADDR global_reg_offset; */ -/* OBSOLETE static CORE_ADDR last_frame_address; */ -/* OBSOLETE CORE_ADDR last_frame_offset; */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE /* Address in core file of start of register window stack area. */ -/* OBSOLETE Don't know if is this any of meaningful, useful or necessary. *x/ */ -/* OBSOLETE extern int reg_stack_offset; */ -/* OBSOLETE */ -/* OBSOLETE #endif /* PYRAMID_CORE *x/ */ -/* 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 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 #ifdef PYRAMID_CORE */ -/* OBSOLETE reg_stack_start = CONTROL_STACK_ADDR; */ -/* OBSOLETE reg_stack_end = CONTROL_STACK_ADDR; /* this isn't strictly true...*x/ */ -/* OBSOLETE #endif /* PYRAMID_CORE *x/ */ -/* 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; */ -/* 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 data_start = exec_data_start; */ -/* OBSOLETE */ -/* OBSOLETE data_end = data_start + NBPG * u.u_dsize; */ -/* OBSOLETE data_offset = NBPG * UPAGES; */ -/* OBSOLETE stack_offset = NBPG * (UPAGES + u.u_dsize); */ -/* OBSOLETE */ -/* OBSOLETE /* find registers in core file *x/ */ -/* OBSOLETE #ifdef PYRAMID_PTRACE */ -/* OBSOLETE stack_start = stack_end - NBPG * u.u_ussize; */ -/* OBSOLETE reg_stack_offset = stack_offset + (NBPG *u.u_ussize); */ -/* OBSOLETE reg_stack_end = reg_stack_start + NBPG * u.u_cssize; */ -/* OBSOLETE */ -/* OBSOLETE last_frame_address = ((int) u.u_pcb.pcb_csp); */ -/* OBSOLETE last_frame_offset = reg_stack_offset + last_frame_address */ -/* OBSOLETE - CONTROL_STACK_ADDR ; */ -/* OBSOLETE global_reg_offset = (char *)&u - (char *)&u.u_pcb.pcb_gr0 ; */ -/* OBSOLETE */ -/* OBSOLETE /* skip any control-stack frames that were executed in the */ -/* OBSOLETE kernel. *x/ */ -/* OBSOLETE */ -/* OBSOLETE while (1) { */ -/* OBSOLETE char buf[4]; */ -/* OBSOLETE val = lseek (corechan, last_frame_offset+(47*4), 0); */ -/* OBSOLETE if (val < 0) */ -/* OBSOLETE perror_with_name (filename); */ -/* OBSOLETE val = myread (corechan, buf, sizeof buf); */ -/* OBSOLETE if (val < 0) */ -/* OBSOLETE perror_with_name (filename); */ -/* OBSOLETE */ -/* OBSOLETE if (*(int *)buf >= 0) */ -/* OBSOLETE break; */ -/* OBSOLETE printf_unfiltered ("skipping frame %s\n", local_hex_string (last_frame_address)); */ -/* OBSOLETE last_frame_offset -= CONTROL_STACK_FRAME_SIZE; */ -/* OBSOLETE last_frame_address -= CONTROL_STACK_FRAME_SIZE; */ -/* OBSOLETE } */ -/* OBSOLETE reg_offset = last_frame_offset; */ -/* OBSOLETE */ -/* OBSOLETE #if 1 || defined(PYRAMID_CONTROL_FRAME_DEBUGGING) */ -/* OBSOLETE printf_unfiltered ("Control stack pointer = %s\n", */ -/* OBSOLETE local_hex_string (u.u_pcb.pcb_csp)); */ -/* OBSOLETE printf_unfiltered ("offset to control stack %d outermost frame %d (%s)\n", */ -/* OBSOLETE reg_stack_offset, reg_offset, local_hex_string (last_frame_address)); */ -/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */ -/* OBSOLETE */ -/* OBSOLETE #else /* not PYRAMID_CORE *x/ */ -/* OBSOLETE stack_start = stack_end - NBPG * u.u_ssize; */ -/* OBSOLETE reg_offset = (int) u.u_ar0 - KERNEL_U_ADDR; */ -/* OBSOLETE #endif /* not PYRAMID_CORE *x/ */ -/* OBSOLETE */ -/* OBSOLETE #ifdef __not_on_pyr_yet */ -/* 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 #endif */ -/* 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 < 64; regno++) */ -/* OBSOLETE { */ -/* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */ -/* OBSOLETE */ -/* OBSOLETE val = lseek (corechan, register_addr (regno, reg_offset), 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 (val < 0) */ -/* OBSOLETE perror_with_name (filename); */ -/* OBSOLETE #ifdef PYRAMID_CONTROL_FRAME_DEBUGGING */ -/* OBSOLETE printf_unfiltered ("[reg %s(%d), offset in file %s=0x%0x, addr =0x%0x, =%0x]\n", */ -/* OBSOLETE REGISTER_NAME (regno), regno, filename, */ -/* OBSOLETE register_addr(regno, reg_offset), */ -/* OBSOLETE regno * 4 + last_frame_address, */ -/* OBSOLETE *((int *)buf)); */ -/* OBSOLETE #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */ -/* 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 #if 1 || defined(PYRAMID_CONTROL_FRAME_DEBUGGING) */ -/* OBSOLETE printf_unfiltered ("Providing CSP (%s) as nominal address of current frame.\n", */ -/* OBSOLETE local_hex_string(last_frame_address)); */ -/* OBSOLETE #endif PYRAMID_CONTROL_FRAME_DEBUGGING */ -/* OBSOLETE /* FIXME: Which of the following is correct? *x/ */ -/* OBSOLETE #if 0 */ -/* OBSOLETE set_current_frame ( create_new_frame (read_register (FP_REGNUM), */ -/* OBSOLETE read_pc ())); */ -/* OBSOLETE #else */ -/* OBSOLETE set_current_frame ( create_new_frame (last_frame_address, */ -/* OBSOLETE read_pc ())); */ -/* OBSOLETE #endif */ -/* OBSOLETE */ -/* OBSOLETE select_frame (get_current_frame (), 0); */ -/* OBSOLETE validate_files (); */ -/* OBSOLETE } */ -/* OBSOLETE else if (from_tty) */ -/* OBSOLETE printf_unfiltered ("No core file now.\n"); */ -/* OBSOLETE } */ |