| /* Dump registers. |
| Copyright (C) 1998, 2001 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <stddef.h> |
| #include <sys/uio.h> |
| #include <stdio-common/_itoa.h> |
| |
| /* We will print the register dump in this format: |
| |
| R0: XXXXXXXX R1: XXXXXXXX R2: XXXXXXXX R3: XXXXXXXX |
| R4: XXXXXXXX R5: XXXXXXXX R6: XXXXXXXX R7: XXXXXXXX |
| R8: XXXXXXXX R9: XXXXXXXX R10: XXXXXXXX R11: XXXXXXXX |
| R12: XXXXXXXX R13: XXXXXXXX SP: XXXXXXXX PC: XXXXXXXX |
| DCCR: XXXXXXXX SRP: XXXXXXXX */ |
| |
| static void |
| hexvalue (unsigned long int value, char *buf, size_t len) |
| { |
| char *cp = _itoa_word (value, buf + len, 16, 0); |
| while (cp > buf) |
| *--cp = '0'; |
| } |
| |
| static void register_dump (int fd, struct sigcontext *ctx) |
| { |
| char regs[18][8]; |
| struct iovec iov[36], *next_iov = iov; |
| struct pt_regs *rx = &ctx->regs; |
| |
| #define ADD_STRING(str) \ |
| next_iov->iov_base = (char *) (str); \ |
| next_iov->iov_len = strlen (str); \ |
| ++next_iov |
| #define ADD_MEM(str, len) \ |
| next_iov->iov_base = (str); \ |
| next_iov->iov_len = (len); \ |
| ++next_iov |
| |
| /* Generate strings of register contents. */ |
| hexvalue (rx->r0, regs[0], 8); |
| hexvalue (rx->r1, regs[1], 8); |
| hexvalue (rx->r2, regs[2], 8); |
| hexvalue (rx->r3, regs[3], 8); |
| hexvalue (rx->r4, regs[4], 8); |
| hexvalue (rx->r5, regs[5], 8); |
| hexvalue (rx->r6, regs[6], 8); |
| hexvalue (rx->r7, regs[7], 8); |
| hexvalue (rx->r8, regs[8], 8); |
| hexvalue (rx->r9, regs[9], 8); |
| hexvalue (rx->r10, regs[10], 8); |
| hexvalue (rx->r11, regs[11], 8); |
| hexvalue (rx->r12, regs[12], 8); |
| hexvalue (rx->r13, regs[13], 8); |
| hexvalue (ctx->usp, regs[14], 8); |
| hexvalue (rx->irp, regs[17], 8); |
| hexvalue (rx->dccr, regs[15], 8); |
| hexvalue (rx->srp, regs[16], 8); |
| |
| /* Generate the output. */ |
| ADD_STRING ("Register dump:\n\n R0: "); |
| ADD_MEM (regs[0], 8); |
| ADD_STRING (" R1: "); |
| ADD_MEM (regs[1], 8); |
| ADD_STRING (" R2: "); |
| ADD_MEM (regs[2], 8); |
| ADD_STRING (" R3: "); |
| ADD_MEM (regs[3], 8); |
| ADD_STRING ("\n R4: "); |
| ADD_MEM (regs[4], 8); |
| ADD_STRING (" R5: "); |
| ADD_MEM (regs[5], 8); |
| ADD_STRING (" R6: "); |
| ADD_MEM (regs[6], 8); |
| ADD_STRING (" R7: "); |
| ADD_MEM (regs[7], 8); |
| ADD_STRING ("\n R8: "); |
| ADD_MEM (regs[8], 8); |
| ADD_STRING (" R9: "); |
| ADD_MEM (regs[9], 8); |
| ADD_STRING (" R10: "); |
| ADD_MEM (regs[10], 8); |
| ADD_STRING (" R11: "); |
| ADD_MEM (regs[11], 8); |
| ADD_STRING ("\n R12: "); |
| ADD_MEM (regs[12], 8); |
| ADD_STRING (" R13: "); |
| ADD_MEM (regs[13], 8); |
| ADD_STRING (" SP: "); |
| ADD_MEM (regs[14], 8); |
| ADD_STRING (" PC: "); |
| ADD_MEM (regs[17], 8); |
| ADD_STRING ("\nDCCR: "); |
| ADD_MEM (regs[15], 8); |
| ADD_STRING (" SRP: "); |
| ADD_MEM (regs[16], 4); |
| |
| /* Write the stuff out. */ |
| writev (fd, iov, next_iov - iov); |
| } |
| |
| #define REGISTER_DUMP register_dump (fd, ctx) |