| /* Dump registers. |
| Copyright (C) 1999-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999. |
| |
| 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sys/uio.h> |
| #include <_itoa.h> |
| |
| /* We will print the register dump in this format: |
| |
| TSTATE: XXXXXXXXXXXXXXXX TPC: XXXXXXXXXXXXXXXX TNPC: XXXXXXXXXXXXXXXX |
| Y: XXXXXXXX |
| g0: 0000000000000000 g1: XXXXXXXXXXXXXXXX g2: XXXXXXXXXXXXXXXX |
| g3: XXXXXXXXXXXXXXXX g4: XXXXXXXXXXXXXXXX g5: XXXXXXXXXXXXXXXX |
| g6: XXXXXXXXXXXXXXXX g7: XXXXXXXXXXXXXXXX |
| o0: XXXXXXXXXXXXXXXX o1: XXXXXXXXXXXXXXXX o2: XXXXXXXXXXXXXXXX |
| o3: XXXXXXXXXXXXXXXX o4: XXXXXXXXXXXXXXXX o5: XXXXXXXXXXXXXXXX |
| sp: XXXXXXXXXXXXXXXX o7: XXXXXXXXXXXXXXXX |
| l0: XXXXXXXXXXXXXXXX l1: XXXXXXXXXXXXXXXX l2: XXXXXXXXXXXXXXXX |
| l3: XXXXXXXXXXXXXXXX l4: XXXXXXXXXXXXXXXX l5: XXXXXXXXXXXXXXXX |
| l6: XXXXXXXXXXXXXXXX l7: XXXXXXXXXXXXXXXX |
| i0: XXXXXXXXXXXXXXXX i1: XXXXXXXXXXXXXXXX i2: XXXXXXXXXXXXXXXX |
| i3: XXXXXXXXXXXXXXXX i4: XXXXXXXXXXXXXXXX i5: XXXXXXXXXXXXXXXX |
| fp: XXXXXXXXXXXXXXXX i7: XXXXXXXXXXXXXXXX |
| |
| Mask: XXXXXXXXXXXXXXXX XFSR: XXXXXXXXXXXXXXXX GSR: XX FPRS: X |
| f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX |
| f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX |
| f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX |
| f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX |
| f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX |
| f30: XXXXXXXXXXXXXXXX f32: XXXXXXXXXXXXXXXX f34: XXXXXXXXXXXXXXXX |
| f36: XXXXXXXXXXXXXXXX f38: XXXXXXXXXXXXXXXX f40: XXXXXXXXXXXXXXXX |
| f42: XXXXXXXXXXXXXXXX f44: XXXXXXXXXXXXXXXX f46: XXXXXXXXXXXXXXXX |
| f48: XXXXXXXXXXXXXXXX f50: XXXXXXXXXXXXXXXX f52: XXXXXXXXXXXXXXXX |
| f54: XXXXXXXXXXXXXXXX f56: XXXXXXXXXXXXXXXX f58: XXXXXXXXXXXXXXXX |
| f60: XXXXXXXXXXXXXXXX f62: XXXXXXXXXXXXXXXX |
| |
| */ |
| |
| 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, SIGCONTEXT ctx) |
| { |
| char regs[36][16]; |
| char fregs[68][8]; |
| struct iovec iov[150]; |
| size_t nr = 0; |
| int i; |
| unsigned long *r = (unsigned long *) |
| (ctx->sigc_regs.u_regs[14] + STACK_BIAS); |
| __siginfo_fpu_t *f; |
| |
| #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->sigc_regs.tstate, regs[0], 16); |
| hexvalue (ctx->sigc_regs.tpc, regs[1], 16); |
| hexvalue (ctx->sigc_regs.tnpc, regs[2], 16); |
| hexvalue (ctx->sigc_regs.y, regs[3], 8); |
| for (i = 1; i <= 15; i++) |
| hexvalue (ctx->sigc_regs.u_regs[i], regs[3+i], 16); |
| for (i = 0; i <= 15; i++) |
| hexvalue (r[i], regs[19+i], 16); |
| hexvalue (ctx->sigc_mask, regs[35], 16); |
| |
| /* Generate the output. */ |
| ADD_STRING ("Register dump:\n\n TSTATE: "); |
| ADD_MEM (regs[0], 16); |
| ADD_STRING (" TPC: "); |
| ADD_MEM (regs[1], 16); |
| ADD_STRING (" TNPC: "); |
| ADD_MEM (regs[2], 16); |
| ADD_STRING ("\n Y: "); |
| ADD_MEM (regs[3], 8); |
| ADD_STRING ("\n g0: 0000000000000000 g1: "); |
| ADD_MEM (regs[4], 16); |
| ADD_STRING (" g2: "); |
| ADD_MEM (regs[5], 16); |
| ADD_STRING ("\n g3: "); |
| ADD_MEM (regs[6], 16); |
| ADD_STRING (" g4: "); |
| ADD_MEM (regs[7], 16); |
| ADD_STRING (" g5: "); |
| ADD_MEM (regs[8], 16); |
| ADD_STRING ("\n g6: "); |
| ADD_MEM (regs[9], 16); |
| ADD_STRING (" g7: "); |
| ADD_MEM (regs[10], 16); |
| ADD_STRING ("\n o0: "); |
| ADD_MEM (regs[11], 16); |
| ADD_STRING (" o1: "); |
| ADD_MEM (regs[12], 16); |
| ADD_STRING (" o2: "); |
| ADD_MEM (regs[13], 16); |
| ADD_STRING ("\n o3: "); |
| ADD_MEM (regs[14], 16); |
| ADD_STRING (" o4: "); |
| ADD_MEM (regs[15], 16); |
| ADD_STRING (" o5: "); |
| ADD_MEM (regs[16], 16); |
| ADD_STRING ("\n sp: "); |
| ADD_MEM (regs[17], 16); |
| ADD_STRING (" o7: "); |
| ADD_MEM (regs[18], 16); |
| ADD_STRING ("\n l0: "); |
| ADD_MEM (regs[19], 16); |
| ADD_STRING (" l1: "); |
| ADD_MEM (regs[20], 16); |
| ADD_STRING (" l2: "); |
| ADD_MEM (regs[21], 16); |
| ADD_STRING ("\n l3: "); |
| ADD_MEM (regs[22], 16); |
| ADD_STRING (" l4: "); |
| ADD_MEM (regs[23], 16); |
| ADD_STRING (" l5: "); |
| ADD_MEM (regs[24], 16); |
| ADD_STRING ("\n l6: "); |
| ADD_MEM (regs[25], 16); |
| ADD_STRING (" l7: "); |
| ADD_MEM (regs[26], 16); |
| ADD_STRING ("\n i0: "); |
| ADD_MEM (regs[27], 16); |
| ADD_STRING (" i1: "); |
| ADD_MEM (regs[28], 16); |
| ADD_STRING (" i2: "); |
| ADD_MEM (regs[29], 16); |
| ADD_STRING ("\n i3: "); |
| ADD_MEM (regs[30], 16); |
| ADD_STRING (" i4: "); |
| ADD_MEM (regs[31], 16); |
| ADD_STRING (" i5: "); |
| ADD_MEM (regs[32], 16); |
| ADD_STRING ("\n fp: "); |
| ADD_MEM (regs[33], 16); |
| ADD_STRING (" i7: "); |
| ADD_MEM (regs[34], 16); |
| ADD_STRING ("\n\n Mask: "); |
| ADD_MEM (regs[35], 16); |
| |
| f = ctx->sigc_fpu_save; |
| if (f != NULL) |
| { |
| for (i = 0; i < 64; i++) |
| hexvalue (f->si_float_regs[i], fregs[i], 8); |
| hexvalue (f->si_fsr, fregs[64], 16); |
| hexvalue (f->si_gsr, fregs[66], 2); |
| hexvalue (f->si_fprs, fregs[67], 1); |
| ADD_STRING (" XFSR: "); |
| ADD_MEM (fregs[64], 16); |
| ADD_STRING (" GSR: "); |
| ADD_MEM (fregs[66], 2); |
| ADD_STRING (" FPRS: "); |
| ADD_MEM (fregs[67], 1); |
| ADD_STRING ("\n f0: "); |
| ADD_MEM (fregs[0], 16); |
| ADD_STRING (" f2: "); |
| ADD_MEM (fregs[2], 16); |
| ADD_STRING (" f4: "); |
| ADD_MEM (fregs[4], 16); |
| ADD_STRING ("\n f6: "); |
| ADD_MEM (fregs[6], 16); |
| ADD_STRING (" f8: "); |
| ADD_MEM (fregs[8], 16); |
| ADD_STRING (" f10: "); |
| ADD_MEM (fregs[10], 16); |
| ADD_STRING ("\n f12: "); |
| ADD_MEM (fregs[12], 16); |
| ADD_STRING (" f14: "); |
| ADD_MEM (fregs[14], 16); |
| ADD_STRING (" f16: "); |
| ADD_MEM (fregs[16], 16); |
| ADD_STRING ("\n f18: "); |
| ADD_MEM (fregs[18], 16); |
| ADD_STRING (" f20: "); |
| ADD_MEM (fregs[20], 16); |
| ADD_STRING (" f22: "); |
| ADD_MEM (fregs[22], 16); |
| ADD_STRING ("\n f24: "); |
| ADD_MEM (fregs[24], 16); |
| ADD_STRING (" f26: "); |
| ADD_MEM (fregs[26], 16); |
| ADD_STRING (" f28: "); |
| ADD_MEM (fregs[28], 16); |
| ADD_STRING ("\n f30: "); |
| ADD_MEM (fregs[30], 16); |
| ADD_STRING (" f32: "); |
| ADD_MEM (fregs[32], 16); |
| ADD_STRING (" f34: "); |
| ADD_MEM (fregs[34], 16); |
| ADD_STRING ("\n f36: "); |
| ADD_MEM (fregs[36], 16); |
| ADD_STRING (" f38: "); |
| ADD_MEM (fregs[38], 16); |
| ADD_STRING (" f40: "); |
| ADD_MEM (fregs[40], 16); |
| ADD_STRING ("\n f42: "); |
| ADD_MEM (fregs[42], 16); |
| ADD_STRING (" f44: "); |
| ADD_MEM (fregs[44], 16); |
| ADD_STRING (" f46: "); |
| ADD_MEM (fregs[46], 16); |
| ADD_STRING ("\n f48: "); |
| ADD_MEM (fregs[48], 16); |
| ADD_STRING (" f50: "); |
| ADD_MEM (fregs[50], 16); |
| ADD_STRING (" f52: "); |
| ADD_MEM (fregs[52], 16); |
| ADD_STRING ("\n f54: "); |
| ADD_MEM (fregs[54], 16); |
| ADD_STRING (" f56: "); |
| ADD_MEM (fregs[56], 16); |
| ADD_STRING (" f58: "); |
| ADD_MEM (fregs[58], 16); |
| ADD_STRING ("\n f60: "); |
| ADD_MEM (fregs[60], 16); |
| ADD_STRING (" f62: "); |
| ADD_MEM (fregs[62], 16); |
| } |
| |
| ADD_STRING ("\n"); |
| |
| /* Write the stuff out. */ |
| writev (fd, iov, nr); |
| } |
| |
| |
| #define REGISTER_DUMP register_dump (fd, ctx) |