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-rw-r--r--gdb/i386lynx-nat.c284
1 files changed, 0 insertions, 284 deletions
diff --git a/gdb/i386lynx-nat.c b/gdb/i386lynx-nat.c
deleted file mode 100644
index 27c605b..0000000
--- a/gdb/i386lynx-nat.c
+++ /dev/null
@@ -1,284 +0,0 @@
-<<<<<<< 2.6 is dead >>>>>>>
-/* Native-dependent code for Lynx running on i386's, for GDB.
- Copyright 1988, 1989, 1991, 1992, 1993
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include "defs.h"
-#include "frame.h"
-#include "inferior.h"
-#include "target.h"
-
-#include <sys/ptrace.h>
-#include "/usr/include/sys/wait.h"
-
-/* these values indicate the offset of the named register in the econtext
- structure */
-
-#define EAX 10
-#define ECX 9
-#define EDX 8
-#define EBX 7
-#define ESP 16
-#define EBP 5
-#define ESI 4
-#define EDI 3
-#define EIP 13
-#define EFL 15
-#define CS 14
-#define SS 17
-#define DS 2
-#define ES 1
-
-/* Currently these are not being used. So set them to 0 */
-
-#define FS 0
-#define GS 0
-
-/* this table must line up with REGISTER_NAMES in m-i386.h */
-static unsigned int regmap[] =
-{
- EAX, ECX, EDX, EBX,
- ESP, EBP, ESI, EDI,
- EIP, EFL, CS, SS,
- DS, ES, FS, GS,
-};
-
-/* Return the address in the core dump or inferior of register REGNO.
- BLOCKEND is the address of the econtext structure */
-
-static unsigned int
-register_addr (regno, blockend)
- int regno, blockend;
-{
- if (regno < 0 || regno >= NUM_REGS)
- error ("Invalid register number %d.", regno);
-
- return (blockend + regmap[regno] * sizeof (long));
-}
-
-/* Fetch one register. */
-
-static void
-fetch_register (regno, offset, bpid)
- int regno, bpid;
- unsigned int offset;
-{
- unsigned int regaddr;
- char buf[MAX_REGISTER_RAW_SIZE];
- char mess[128]; /* For messages */
- int i;
-
- regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- {
- errno = 0;
- *(int *) &buf[i] = ptrace (PTRACE_PEEKTHREAD, bpid,
- (PTRACE_ARG3_TYPE) regaddr, 0);
- regaddr += sizeof (int);
- if (errno != 0)
- {
- sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
- perror_with_name (mess);
- }
- }
- supply_register (regno, buf);
-}
-
-/* Store our register values back into the inferior.
- If REGNO is -1, do this for all registers.
- Otherwise, REGNO specifies which register (so we can save time). */
-
-static void
-store_register (regno, offset, bpid)
- int regno, bpid;
- unsigned int offset;
-{
- unsigned int regaddr;
- char mess[128];
- extern char registers[];
- int i;
-
- regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
- {
- errno = 0;
- ptrace (PTRACE_POKEUSER, bpid, (PTRACE_ARG3_TYPE) regaddr,
- *(int *) &registers[REGISTER_BYTE (regno) + i]);
- if (errno != 0)
- {
- sprintf (mess, "writing register number %d(%d)", regno, i);
- perror_with_name (mess);
- }
- regaddr += sizeof(int);
- }
-}
-
-/* return an offset for use with register_addr() */
-
-static unsigned int
-fetch_offset (pid)
- int pid;
-{
- struct st_entry s;
- unsigned int specpage_off, offset = (char *) &s.ecp - (char *) &s;
-
- errno = 0;
- specpage_off = ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE) 0, 0);
- if (errno != 0)
- perror_with_name ("ptrace");
- errno = 0;
- offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0)
- - specpage_off;
- if (errno != 0)
- perror_with_name ("ptrace");
- return offset;
-}
-
-/* Fetch all registers, or just one, from the child process. */
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
- unsigned int offset = fetch_offset (inferior_pid);
-
- if (regno == -1)
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- fetch_register (regno, offset, inferior_pid);
- }
- else
- fetch_register (regno, offset, inferior_pid);
-}
-
-/* Store all registers, or just one, to the child process. */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
- unsigned int offset = fetch_offset (inferior_pid);
-
- if (regno == -1)
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- store_register (regno, offset, inferior_pid);
- }
- else
- store_register (regno, offset, inferior_pid);
-}
-
-/* Wait for child to do something. Return pid of child, or -1 in case
- of error; store status through argument pointer STATUS. */
-
-int
-child_wait (pid, status)
- int pid;
- int *status;
-{
- int save_errno;
- int thread;
-
- while (1)
- {
- int sig;
-
- if (attach_flag)
- set_sigint_trap(); /* Causes SIGINT to be passed on to the
- attached process. */
- pid = wait (status);
- save_errno = errno;
-
- if (attach_flag)
- clear_sigint_trap();
-
- if (pid == -1)
- {
- if (save_errno == EINTR)
- continue;
- fprintf_unfiltered (gdb_stderr, "Child process unexpectedly missing: %s.\n",
- safe_strerror (save_errno));
- *status = 42; /* Claim it exited with signal 42 */
- return -1;
- }
-
- if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
- continue;
-
-/* thread = WIFTID (*status);*/
- thread = *status >> 16;
-
- /* Initial thread value can only be acquired via wait, so we have to
- resort to this hack. */
-
- if (TIDGET (inferior_pid) == 0)
- {
- inferior_pid = BUILDPID (inferior_pid, thread);
- add_thread (inferior_pid);
- }
-
- pid = BUILDPID (pid, thread);
-
- return pid;
- }
-}
-
-/* Convert a Lynx process ID to a string. Returns the string in a static
- buffer. */
-
-char *
-i386lynx_pid_to_str (pid)
- int pid;
-{
- static char buf[40];
-
- sprintf (buf, "process %d thread %d", PIDGET (pid), TIDGET (pid));
-
- return buf;
-}
-
-/* Extract the register values out of the core file and store
- them where `read_register' will find them.
-
- CORE_REG_SECT points to the register values themselves, read into memory.
- CORE_REG_SIZE is the size of that area.
- WHICH says which set of registers we are handling (0 = int, 2 = float
- on machines where they are discontiguous).
- REG_ADDR is the offset from u.u_ar0 to the register values relative to
- core_reg_sect. This is used with old-fashioned core files to
- locate the registers in a large upage-plus-stack ".reg" section.
- Original upage address X is at location core_reg_sect+x+reg_addr.
- */
-
-void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- unsigned reg_addr;
-{
- struct st_entry s;
- unsigned int regno, addr;
-
- for (regno = 0; regno < NUM_REGS; regno++)
- {
- addr = register_addr (regno, (char *) &s.ec - (char *) &s);
- supply_register (regno, core_reg_sect + addr);
- }
-}
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