mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-06-19 00:59:15 +08:00
import gdb-1999-11-01 snapshot
This commit is contained in:
Jason Molenda
@ -26,17 +26,16 @@
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#include <stdio.h>
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#include <sys/param.h>
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#include <sys/dir.h>
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#include <sys/ptrace.h>
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#include <sys/user.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#if 0
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#include <sgtty.h>
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#endif
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#include <fcntl.h>
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/***************Begin MY defs*********************/
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int quit_flag = 0;
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char registers[REGISTER_BYTES];
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static char my_registers[REGISTER_BYTES];
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char *registers = my_registers;
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/* Index within `registers' of the first byte of the space for
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register N. */
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@ -45,12 +44,15 @@ char registers[REGISTER_BYTES];
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char buf2[MAX_REGISTER_RAW_SIZE];
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/***************End MY defs*********************/
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#include <sys/ptrace.h>
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#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1)
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#ifdef HAVE_SYS_REG_H
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#include <sys/reg.h>
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#endif
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/* Default the type of the ptrace transfer to int. */
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#ifndef PTRACE_XFER_TYPE
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#define PTRACE_XFER_TYPE int
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#endif
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extern char **environ;
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extern int errno;
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extern int inferior_pid;
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@ -167,7 +169,42 @@ myresume (step, signal)
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- KERNEL_U_ADDR
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#endif
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#ifndef TARGET_M68K
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#ifdef I386_GNULINUX_TARGET
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/* i386_register_raw_size[i] is the number of bytes of storage in the
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actual machine representation for register i. */
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int i386_register_raw_size[MAX_NUM_REGS] = {
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4, 4, 4, 4,
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4, 4, 4, 4,
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4, 4, 4, 4,
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4, 4, 4, 4,
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10, 10, 10, 10,
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10, 10, 10, 10,
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4, 4, 4, 4,
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4, 4, 4, 4,
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16, 16, 16, 16,
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16, 16, 16, 16,
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4
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};
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int i386_register_byte[MAX_NUM_REGS];
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static void
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initialize_arch()
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{
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/* Initialize the table saying where each register starts in the
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register file. */
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{
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int i, offset;
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offset = 0;
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for (i = 0; i < MAX_NUM_REGS; i++)
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{
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i386_register_byte[i] = offset;
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offset += i386_register_raw_size[i];
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}
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}
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}
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/* this table must line up with REGISTER_NAMES in tm-i386v.h */
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/* symbols like 'EAX' come from <sys/reg.h> */
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static int regmap[] =
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@ -201,7 +238,13 @@ i386_register_u_addr (blockend, regnum)
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return (blockend + 4 * regmap[regnum]);
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}
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#else /* TARGET_M68K */
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#elif defined(TARGET_M68K)
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static void
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initialize_arch()
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{
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return;
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}
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/* This table must line up with REGISTER_NAMES in tm-m68k.h */
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static int regmap[] =
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{
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@ -231,6 +274,256 @@ m68k_linux_register_u_addr (blockend, regnum)
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{
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return (blockend + 4 * regmap[regnum]);
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}
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/* start-sanitize-ia64 */
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#elif defined(IA64_GNULINUX_TARGET)
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#undef NUM_FREGS
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#define NUM_FREGS 0
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#include <asm/ptrace_offsets.h>
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static int u_offsets[] =
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{
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/* general registers */
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-1, /* gr0 not available; i.e, it's always zero */
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PT_R1,
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PT_R2,
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PT_R3,
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PT_R4,
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PT_R5,
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PT_R6,
|
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PT_R7,
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||||
PT_R8,
|
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PT_R9,
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||||
PT_R10,
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PT_R11,
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||||
PT_R12,
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PT_R13,
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||||
PT_R14,
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PT_R15,
|
||||
PT_R16,
|
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PT_R17,
|
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PT_R18,
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PT_R19,
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PT_R20,
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PT_R21,
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PT_R22,
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PT_R23,
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||||
PT_R24,
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||||
PT_R25,
|
||||
PT_R26,
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||||
PT_R27,
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PT_R28,
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||||
PT_R29,
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PT_R30,
|
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PT_R31,
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/* gr32 through gr127 not directly available via the ptrace interface */
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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/* Floating point registers */
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-1, -1, /* f0 and f1 not available (f0 is +0.0 and f1 is +1.0) */
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PT_F2,
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PT_F3,
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PT_F4,
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PT_F5,
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PT_F6,
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PT_F7,
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PT_F8,
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PT_F9,
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PT_F10,
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PT_F11,
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PT_F12,
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PT_F13,
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PT_F14,
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PT_F15,
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PT_F16,
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PT_F17,
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PT_F18,
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PT_F19,
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PT_F20,
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PT_F21,
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PT_F22,
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||||
PT_F23,
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||||
PT_F24,
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||||
PT_F25,
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||||
PT_F26,
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||||
PT_F27,
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PT_F28,
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PT_F29,
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PT_F30,
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PT_F31,
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PT_F32,
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PT_F33,
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PT_F34,
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PT_F35,
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PT_F36,
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PT_F37,
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PT_F38,
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PT_F39,
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PT_F40,
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PT_F41,
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PT_F42,
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PT_F43,
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PT_F44,
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PT_F45,
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PT_F46,
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PT_F47,
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PT_F48,
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PT_F49,
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PT_F50,
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PT_F51,
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PT_F52,
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PT_F53,
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PT_F54,
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PT_F55,
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PT_F56,
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PT_F57,
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PT_F58,
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PT_F59,
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PT_F60,
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PT_F61,
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PT_F62,
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PT_F63,
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PT_F64,
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PT_F65,
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PT_F66,
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PT_F67,
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PT_F68,
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PT_F69,
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PT_F70,
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PT_F71,
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PT_F72,
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PT_F73,
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PT_F74,
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PT_F75,
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PT_F76,
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PT_F77,
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PT_F78,
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PT_F79,
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||||
PT_F80,
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||||
PT_F81,
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PT_F82,
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PT_F83,
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PT_F84,
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PT_F85,
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PT_F86,
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PT_F87,
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PT_F88,
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PT_F89,
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PT_F90,
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PT_F91,
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PT_F92,
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PT_F93,
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PT_F94,
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PT_F95,
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PT_F96,
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PT_F97,
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||||
PT_F98,
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PT_F99,
|
||||
PT_F100,
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PT_F101,
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PT_F102,
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PT_F103,
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PT_F104,
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PT_F105,
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PT_F106,
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PT_F107,
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PT_F108,
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PT_F109,
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PT_F110,
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PT_F111,
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PT_F112,
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PT_F113,
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PT_F114,
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PT_F115,
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PT_F116,
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PT_F117,
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||||
PT_F118,
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PT_F119,
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PT_F120,
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PT_F121,
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PT_F122,
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PT_F123,
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PT_F124,
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PT_F125,
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PT_F126,
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PT_F127,
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/* branch registers */
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PT_B0,
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PT_B1,
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PT_B2,
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PT_B3,
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PT_B4,
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PT_B5,
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PT_B6,
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PT_B7,
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/* other registers */
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PT_PR,
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PT_CR_IIP,
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PT_CR_IPSR,
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/* kernel registers not visible via ptrace interface (?) */
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-1, -1, -1, -1, -1, -1, -1, -1,
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/* hole */
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-1, -1, -1, -1, -1, -1, -1, -1,
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PT_AR_RSC,
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PT_AR_BSP,
|
||||
PT_AR_BSPSTORE,
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||||
PT_AR_RNAT,
|
||||
-1,
|
||||
-1, /* Not available: FCR, IA32 floating control register */
|
||||
-1, -1,
|
||||
-1, /* Not available: EFLAG */
|
||||
-1, /* Not available: CSD */
|
||||
-1, /* Not available: SSD */
|
||||
-1, /* Not available: CFLG */
|
||||
-1, /* Not available: FSR */
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||||
-1, /* Not available: FIR */
|
||||
-1, /* Not available: FDR */
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||||
-1,
|
||||
PT_AR_CCV,
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||||
-1, -1, -1,
|
||||
PT_AR_UNAT,
|
||||
-1, -1, -1,
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||||
PT_AR_FPSR,
|
||||
-1, -1, -1,
|
||||
-1, /* Not available: ITC */
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
PT_AR_PFS,
|
||||
PT_AR_LC,
|
||||
-1, /* Not available: EC, the Epilog Count register */
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1,
|
||||
};
|
||||
|
||||
int
|
||||
ia64_register_u_addr (int blockend, int regnum)
|
||||
{
|
||||
int addr;
|
||||
|
||||
if (regnum < 0 || regnum >= NUM_REGS)
|
||||
error ("Invalid register number %d.", regnum);
|
||||
|
||||
addr = u_offsets[regnum];
|
||||
if (addr == -1)
|
||||
addr = 0;
|
||||
|
||||
return addr;
|
||||
}
|
||||
|
||||
initialize_arch()
|
||||
{
|
||||
return;
|
||||
}
|
||||
/* end-sanitize-ia64 */
|
||||
#endif
|
||||
|
||||
CORE_ADDR
|
||||
@ -254,7 +547,7 @@ static void
|
||||
fetch_register (regno)
|
||||
int regno;
|
||||
{
|
||||
register unsigned int regaddr;
|
||||
CORE_ADDR regaddr;
|
||||
register int i;
|
||||
|
||||
/* Offset of registers within the u area. */
|
||||
@ -263,12 +556,12 @@ fetch_register (regno)
|
||||
offset = U_REGS_OFFSET;
|
||||
|
||||
regaddr = register_addr (regno, offset);
|
||||
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
|
||||
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (PTRACE_XFER_TYPE))
|
||||
{
|
||||
errno = 0;
|
||||
*(int *) ®isters[regno * 4 + i] = ptrace (PTRACE_PEEKUSR, inferior_pid,
|
||||
(PTRACE_ARG3_TYPE) regaddr, 0);
|
||||
regaddr += sizeof (int);
|
||||
*(PTRACE_XFER_TYPE *) ®isters[REGISTER_BYTE (regno) + i] =
|
||||
ptrace (PTRACE_PEEKUSER, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, 0);
|
||||
regaddr += sizeof (PTRACE_XFER_TYPE);
|
||||
if (errno != 0)
|
||||
{
|
||||
/* Warning, not error, in case we are attached; sometimes the
|
||||
@ -304,8 +597,8 @@ void
|
||||
store_inferior_registers (regno)
|
||||
int regno;
|
||||
{
|
||||
register unsigned int regaddr;
|
||||
register int i;
|
||||
CORE_ADDR regaddr;
|
||||
int i;
|
||||
unsigned int offset = U_REGS_OFFSET;
|
||||
|
||||
if (regno >= 0)
|
||||
@ -335,7 +628,7 @@ store_inferior_registers (regno)
|
||||
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
|
||||
{
|
||||
errno = 0;
|
||||
ptrace (PTRACE_POKEUSR, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
|
||||
ptrace (PTRACE_POKEUSER, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
|
||||
*(int *) ®isters[REGISTER_BYTE (regno) + i]);
|
||||
if (errno != 0)
|
||||
{
|
||||
@ -373,21 +666,23 @@ read_inferior_memory (memaddr, myaddr, len)
|
||||
{
|
||||
register int i;
|
||||
/* Round starting address down to longword boundary. */
|
||||
register CORE_ADDR addr = memaddr & -sizeof (int);
|
||||
register CORE_ADDR addr = memaddr & -sizeof (PTRACE_XFER_TYPE);
|
||||
/* Round ending address up; get number of longwords that makes. */
|
||||
register int count
|
||||
= (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
|
||||
register int count
|
||||
= (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
|
||||
/ sizeof (PTRACE_XFER_TYPE);
|
||||
/* Allocate buffer of that many longwords. */
|
||||
register int *buffer = (int *) alloca (count * sizeof (int));
|
||||
register PTRACE_XFER_TYPE *buffer
|
||||
= (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
|
||||
|
||||
/* Read all the longwords */
|
||||
for (i = 0; i < count; i++, addr += sizeof (int))
|
||||
for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
|
||||
{
|
||||
buffer[i] = ptrace (PTRACE_PEEKTEXT, inferior_pid, addr, 0);
|
||||
}
|
||||
|
||||
/* Copy appropriate bytes out of the buffer. */
|
||||
memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
|
||||
memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)), len);
|
||||
}
|
||||
|
||||
/* Copy LEN bytes of data from debugger memory at MYADDR
|
||||
@ -403,12 +698,12 @@ write_inferior_memory (memaddr, myaddr, len)
|
||||
{
|
||||
register int i;
|
||||
/* Round starting address down to longword boundary. */
|
||||
register CORE_ADDR addr = memaddr & -sizeof (int);
|
||||
register CORE_ADDR addr = memaddr & -sizeof (PTRACE_XFER_TYPE);
|
||||
/* Round ending address up; get number of longwords that makes. */
|
||||
register int count
|
||||
= (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
|
||||
= (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1) / sizeof (PTRACE_XFER_TYPE);
|
||||
/* Allocate buffer of that many longwords. */
|
||||
register int *buffer = (int *) alloca (count * sizeof (int));
|
||||
register PTRACE_XFER_TYPE *buffer = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
|
||||
extern int errno;
|
||||
|
||||
/* Fill start and end extra bytes of buffer with existing memory data. */
|
||||
@ -419,16 +714,16 @@ write_inferior_memory (memaddr, myaddr, len)
|
||||
{
|
||||
buffer[count - 1]
|
||||
= ptrace (PTRACE_PEEKTEXT, inferior_pid,
|
||||
addr + (count - 1) * sizeof (int), 0);
|
||||
addr + (count - 1) * sizeof (PTRACE_XFER_TYPE), 0);
|
||||
}
|
||||
|
||||
/* Copy data to be written over corresponding part of buffer */
|
||||
|
||||
memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
|
||||
memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)), myaddr, len);
|
||||
|
||||
/* Write the entire buffer. */
|
||||
|
||||
for (i = 0; i < count; i++, addr += sizeof (int))
|
||||
for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
|
||||
{
|
||||
errno = 0;
|
||||
ptrace (PTRACE_POKETEXT, inferior_pid, addr, buffer[i]);
|
||||
@ -443,6 +738,7 @@ void
|
||||
initialize ()
|
||||
{
|
||||
inferior_pid = 0;
|
||||
initialize_arch();
|
||||
}
|
||||
|
||||
int
|
||||
|
||||
Reference in New Issue
Block a user