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->uc_mcontext.gregs[REG_RAX], regs[0], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RBX], regs[1], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RCX], regs[2], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RDX], regs[3], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RSI], regs[4], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RDI], regs[5], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RBP], regs[6], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R8], regs[7], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R9], regs[8], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R10], regs[9], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R11], regs[10], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R12], regs[11], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R13], regs[12], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R14], regs[13], 16); hexvalue (ctx->uc_mcontext.gregs[REG_R15], regs[14], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RSP], regs[15], 16); hexvalue (ctx->uc_mcontext.gregs[REG_RIP], regs[16], 16);  hexvalue (ctx->uc_mcontext.gregs[REG_EFL], regs[17], 8); hexvalue (ctx->uc_mcontext.gregs[REG_CSGSFS] & 0xffff, regs[18], 4); hexvalue ((ctx->uc_mcontext.gregs[REG_CSGSFS] >> 16) & 0xffff, regs[19], 4); hexvalue ((ctx->uc_mcontext.gregs[REG_CSGSFS] >> 32) & 0xffff, regs[20], 4);
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);}