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glibc/sysdeps/unix/sysv/linux/x86_64/register-dump.h
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| /* Dump registers. | |
| Copyright (C) 2001, 2002 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 <sys/uio.h> | |
| #include <stdio-common/_itoa.h> | |
| /* We will print the register dump in this format: | |
| RAX: XXXXXXXXXXXXXXXX RBX: XXXXXXXXXXXXXXXX RCX: XXXXXXXXXXXXXXXX | |
| RDX: XXXXXXXXXXXXXXXX RSI: XXXXXXXXXXXXXXXX RDI: XXXXXXXXXXXXXXXX | |
| RBP: XXXXXXXXXXXXXXXX R8 : XXXXXXXXXXXXXXXX R9 : XXXXXXXXXXXXXXXX | |
| R10: XXXXXXXXXXXXXXXX R11: XXXXXXXXXXXXXXXX R12: XXXXXXXXXXXXXXXX | |
| R13: XXXXXXXXXXXXXXXX R14: XXXXXXXXXXXXXXXX R15: XXXXXXXXXXXXXXXX | |
| RSP: XXXXXXXXXXXXXXXX | |
| RIP: XXXXXXXXXXXXXXXX EFLAGS: XXXXXXXX | |
| CS: XXXX DS: XXXX ES: XXXX FS: XXXX GS: XXXX | |
| Trap: XXXXXXXX Error: XXXXXXXX OldMask: XXXXXXXX | |
| RSP/SIGNAL: XXXXXXXXXXXXXXXX CR2: XXXXXXXX | |
| FPUCW: XXXXXXXX FPUSW: XXXXXXXX TAG: XXXXXXXX | |
| IPOFF: XXXXXXXX CSSEL: XXXX DATAOFF: XXXXXXXX DATASEL: XXXX | |
| ST(0) XXXX XXXXXXXXXXXXXXXX ST(1) XXXX XXXXXXXXXXXXXXXX | |
| ST(2) XXXX XXXXXXXXXXXXXXXX ST(3) XXXX XXXXXXXXXXXXXXXX | |
| ST(4) XXXX XXXXXXXXXXXXXXXX ST(5) XXXX XXXXXXXXXXXXXXXX | |
| ST(6) XXXX XXXXXXXXXXXXXXXX ST(7) XXXX XXXXXXXXXXXXXXXX | |
| mxcsr: XXXX | |
| XMM0 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM1 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM2 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM3 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM4 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM5 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM6 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM7 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM8 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM9 : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM10: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM11: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM12: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM13: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| XMM14: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XMM15: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX | |
| */ | |
| 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[25][16]; | |
| char fpregs[30][8]; | |
| char xmmregs[16][32]; | |
| struct iovec iov[147]; | |
| size_t nr = 0; | |
| int i; | |
| #define ADD_STRING(str) \ | |
| iov[nr].iov_base = (char *) str; \ | |
| iov[nr].iov_len = strlen (str); \ | |
| ++nr | |
| #define ADD_MEM(str, len) \ | |
| iov[nr].iov_base = str; \ | |
| iov[nr].iov_len = len; \ | |
| ++nr | |
| /* Generate strings of register contents. */ | |
| hexvalue (ctx->rax, regs[0], 16); | |
| hexvalue (ctx->rbx, regs[1], 16); | |
| hexvalue (ctx->rcx, regs[2], 16); | |
| hexvalue (ctx->rdx, regs[3], 16); | |
| hexvalue (ctx->rsi, regs[4], 16); | |
| hexvalue (ctx->rdi, regs[5], 16); | |
| hexvalue (ctx->rbp, regs[6], 16); | |
| hexvalue (ctx->r8, regs[7], 16); | |
| hexvalue (ctx->r9, regs[8], 16); | |
| hexvalue (ctx->r10, regs[9], 16); | |
| hexvalue (ctx->r11, regs[10], 16); | |
| hexvalue (ctx->r12, regs[11], 16); | |
| hexvalue (ctx->r13, regs[12], 16); | |
| hexvalue (ctx->r14, regs[13], 16); | |
| hexvalue (ctx->r15, regs[14], 16); | |
| hexvalue (ctx->rsp, regs[15], 16); | |
| hexvalue (ctx->rip, regs[16], 16); | |
| hexvalue (ctx->eflags, regs[17], 8); | |
| hexvalue (ctx->cs, regs[18], 4); | |
| hexvalue (ctx->fs, regs[19], 4); | |
| hexvalue (ctx->gs, regs[20], 4); | |
| /* hexvalue (ctx->ss, regs[23], 4); */ | |
| hexvalue (ctx->trapno, regs[21], 8); | |
| hexvalue (ctx->err, regs[22], 8); | |
| hexvalue (ctx->oldmask, regs[23], 8); | |
| hexvalue (ctx->cr2, regs[24], 8); | |
| /* Generate the output. */ | |
| ADD_STRING ("Register dump:\n\n RAX: "); | |
| ADD_MEM (regs[0], 16); | |
| ADD_STRING (" RBX: "); | |
| ADD_MEM (regs[1], 16); | |
| ADD_STRING (" RCX: "); | |
| ADD_MEM (regs[2], 16); | |
| ADD_STRING ("\n RDX: "); | |
| ADD_MEM (regs[3], 16); | |
| ADD_STRING (" RSI: "); | |
| ADD_MEM (regs[4], 16); | |
| ADD_STRING (" RDI: "); | |
| ADD_MEM (regs[5], 16); | |
| ADD_STRING ("\n RBP: "); | |
| ADD_MEM (regs[6], 16); | |
| ADD_STRING (" R8 : "); | |
| ADD_MEM (regs[7], 16); | |
| ADD_STRING (" R9 : "); | |
| ADD_MEM (regs[8], 16); | |
| ADD_STRING ("\n R10: "); | |
| ADD_MEM (regs[9], 16); | |
| ADD_STRING (" R11: "); | |
| ADD_MEM (regs[10], 16); | |
| ADD_STRING (" R12: "); | |
| ADD_MEM (regs[11], 16); | |
| ADD_STRING ("\n R13: "); | |
| ADD_MEM (regs[12], 16); | |
| ADD_STRING (" R14: "); | |
| ADD_MEM (regs[13], 16); | |
| ADD_STRING (" R15: "); | |
| ADD_MEM (regs[14], 16); | |
| ADD_STRING ("\n RSP: "); | |
| ADD_MEM (regs[15], 16); | |
| ADD_STRING ("\n\n RIP: "); | |
| ADD_MEM (regs[16], 16); | |
| ADD_STRING (" EFLAGS: "); | |
| ADD_MEM (regs[17], 8); | |
| ADD_STRING ("\n\n CS: "); | |
| ADD_MEM (regs[18], 4); | |
| ADD_STRING (" FS: "); | |
| ADD_MEM (regs[19], 4); | |
| ADD_STRING (" GS: "); | |
| ADD_MEM (regs[20], 4); | |
| /* | |
| ADD_STRING (" SS: "); | |
| ADD_MEM (regs[23], 4); | |
| */ | |
| ADD_STRING ("\n\n Trap: "); | |
| ADD_MEM (regs[21], 8); | |
| ADD_STRING (" Error: "); | |
| ADD_MEM (regs[22], 8); | |
| ADD_STRING (" OldMask: "); | |
| ADD_MEM (regs[23], 8); | |
| ADD_STRING (" CR2: "); | |
| ADD_MEM (regs[24], 8); | |
| if (ctx->fpstate != NULL) | |
| { | |
| /* Generate output for the FPU control/status registers. */ | |
| hexvalue (ctx->fpstate->cwd, fpregs[0], 8); | |
| hexvalue (ctx->fpstate->swd, fpregs[1], 8); | |
| hexvalue (ctx->fpstate->ftw, fpregs[2], 8); | |
| hexvalue (ctx->fpstate->rip, fpregs[3], 8); | |
| hexvalue (ctx->fpstate->rdp, fpregs[4], 8); | |
| ADD_STRING ("\n\n FPUCW: "); | |
| ADD_MEM (fpregs[0], 8); | |
| ADD_STRING (" FPUSW: "); | |
| ADD_MEM (fpregs[1], 8); | |
| ADD_STRING (" TAG: "); | |
| ADD_MEM (fpregs[2], 8); | |
| ADD_STRING ("\n RIP: "); | |
| ADD_MEM (fpregs[3], 8); | |
| ADD_STRING (" RDP: "); | |
| ADD_MEM (fpregs[4], 8); | |
| /* Now the real FPU registers. */ | |
| hexvalue (ctx->fpstate->_st[0].exponent, fpregs[5], 8); | |
| hexvalue (ctx->fpstate->_st[0].significand[3] << 16 | |
| | ctx->fpstate->_st[0].significand[2], fpregs[6], 8); | |
| hexvalue (ctx->fpstate->_st[0].significand[1] << 16 | |
| | ctx->fpstate->_st[0].significand[0], fpregs[7], 8); | |
| hexvalue (ctx->fpstate->_st[1].exponent, fpregs[8], 8); | |
| hexvalue (ctx->fpstate->_st[1].significand[3] << 16 | |
| | ctx->fpstate->_st[1].significand[2], fpregs[9], 8); | |
| hexvalue (ctx->fpstate->_st[1].significand[1] << 16 | |
| | ctx->fpstate->_st[1].significand[0], fpregs[10], 8); | |
| hexvalue (ctx->fpstate->_st[2].exponent, fpregs[11], 8); | |
| hexvalue (ctx->fpstate->_st[2].significand[3] << 16 | |
| | ctx->fpstate->_st[2].significand[2], fpregs[12], 8); | |
| hexvalue (ctx->fpstate->_st[2].significand[1] << 16 | |
| | ctx->fpstate->_st[2].significand[0], fpregs[13], 8); | |
| hexvalue (ctx->fpstate->_st[3].exponent, fpregs[14], 8); | |
| hexvalue (ctx->fpstate->_st[3].significand[3] << 16 | |
| | ctx->fpstate->_st[3].significand[2], fpregs[15], 8); | |
| hexvalue (ctx->fpstate->_st[3].significand[1] << 16 | |
| | ctx->fpstate->_st[3].significand[0], fpregs[16], 8); | |
| hexvalue (ctx->fpstate->_st[4].exponent, fpregs[17], 8); | |
| hexvalue (ctx->fpstate->_st[4].significand[3] << 16 | |
| | ctx->fpstate->_st[4].significand[2], fpregs[18], 8); | |
| hexvalue (ctx->fpstate->_st[4].significand[1] << 16 | |
| | ctx->fpstate->_st[4].significand[0], fpregs[19], 8); | |
| hexvalue (ctx->fpstate->_st[5].exponent, fpregs[20], 8); | |
| hexvalue (ctx->fpstate->_st[5].significand[3] << 16 | |
| | ctx->fpstate->_st[5].significand[2], fpregs[21], 8); | |
| hexvalue (ctx->fpstate->_st[5].significand[1] << 16 | |
| | ctx->fpstate->_st[5].significand[0], fpregs[22], 8); | |
| hexvalue (ctx->fpstate->_st[6].exponent, fpregs[23], 8); | |
| hexvalue (ctx->fpstate->_st[6].significand[3] << 16 | |
| | ctx->fpstate->_st[6].significand[2], fpregs[24], 8); | |
| hexvalue (ctx->fpstate->_st[6].significand[1] << 16 | |
| | ctx->fpstate->_st[6].significand[0], fpregs[25], 8); | |
| hexvalue (ctx->fpstate->_st[7].exponent, fpregs[26], 8); | |
| hexvalue (ctx->fpstate->_st[7].significand[3] << 16 | |
| | ctx->fpstate->_st[7].significand[2], fpregs[27], 8); | |
| hexvalue (ctx->fpstate->_st[7].significand[1] << 16 | |
| | ctx->fpstate->_st[7].significand[0], fpregs[28], 8); | |
| hexvalue (ctx->fpstate->mxcsr, fpregs[29], 4); | |
| for (i = 0; i < 16; i++) | |
| hexvalue (ctx->fpstate->_xmm[i].element[3] << 24 | |
| | ctx->fpstate->_xmm[i].element[2] << 16 | |
| | ctx->fpstate->_xmm[i].element[1] << 8 | |
| | ctx->fpstate->_xmm[i].element[0], xmmregs[i], 32); | |
| ADD_STRING ("\n\n ST(0) "); | |
| ADD_MEM (fpregs[5], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[6], 8); | |
| ADD_MEM (fpregs[7], 8); | |
| ADD_STRING (" ST(1) "); | |
| ADD_MEM (fpregs[8], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[9], 8); | |
| ADD_MEM (fpregs[10], 8); | |
| ADD_STRING ("\n ST(2) "); | |
| ADD_MEM (fpregs[11], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[12], 8); | |
| ADD_MEM (fpregs[13], 8); | |
| ADD_STRING (" ST(3) "); | |
| ADD_MEM (fpregs[14], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[15], 8); | |
| ADD_MEM (fpregs[16], 8); | |
| ADD_STRING ("\n ST(4) "); | |
| ADD_MEM (fpregs[17], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[18], 8); | |
| ADD_MEM (fpregs[19], 8); | |
| ADD_STRING (" ST(5) "); | |
| ADD_MEM (fpregs[20], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[21], 8); | |
| ADD_MEM (fpregs[22], 8); | |
| ADD_STRING ("\n ST(6) "); | |
| ADD_MEM (fpregs[23], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[24], 8); | |
| ADD_MEM (fpregs[25], 8); | |
| ADD_STRING (" ST(7) "); | |
| ADD_MEM (fpregs[27], 4); | |
| ADD_STRING (" "); | |
| ADD_MEM (fpregs[27], 8); | |
| ADD_MEM (fpregs[28], 8); | |
| ADD_STRING ("\n mxcsr: "); | |
| ADD_MEM (fpregs[29], 4); | |
| ADD_STRING ("\n XMM0: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM1: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM2: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM3: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM4: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM5: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM6: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM7: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM8: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM9: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM10: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM11: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM12: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM13: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING ("\n XMM14: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| ADD_STRING (" XMM15: "); | |
| ADD_MEM (xmmregs[0], 32); | |
| } | |
| ADD_STRING ("\n"); | |
| /* Write the stuff out. */ | |
| writev (fd, iov, nr); | |
| } | |
| #define REGISTER_DUMP register_dump (fd, &ctx) |