diff options
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h')
| -rw-r--r-- | libc/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h b/libc/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h new file mode 100644 index 000000000..d705dd76d --- /dev/null +++ b/libc/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h @@ -0,0 +1,133 @@ +/* Dump registers. 64 bit S/390 version. + Copyright (C) 2001 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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: + + GPR0: XXXXXXXXXXXXXXXX GPR1: XXXXXXXXXXXXXXXX + GPR2: XXXXXXXXXXXXXXXX GPR3: XXXXXXXXXXXXXXXX + GPR4: XXXXXXXXXXXXXXXX GPR5: XXXXXXXXXXXXXXXX + GPR6: XXXXXXXXXXXXXXXX GPR7: XXXXXXXXXXXXXXXX + GPR8: XXXXXXXXXXXXXXXX GPR9: XXXXXXXXXXXXXXXX + GPRA: XXXXXXXXXXXXXXXX GPRB: XXXXXXXXXXXXXXXX + GPRC: XXXXXXXXXXXXXXXX GPRD: XXXXXXXXXXXXXXXX + GPRE: XXXXXXXXXXXXXXXX GPRF: XXXXXXXXXXXXXXXX + + PSW.MASK: XXXXXXXXXXXXXXXX PSW.ADDR: XXXXXXXXXXXXXXXX + + 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 + */ + +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[19][16]; + struct iovec iov[40]; + size_t nr = 0; + +#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->sregs->regs.gprs[0], regs[0], 16); + hexvalue (ctx->sregs->regs.gprs[1], regs[1], 16); + hexvalue (ctx->sregs->regs.gprs[2], regs[2], 16); + hexvalue (ctx->sregs->regs.gprs[3], regs[3], 16); + hexvalue (ctx->sregs->regs.gprs[4], regs[4], 16); + hexvalue (ctx->sregs->regs.gprs[5], regs[5], 16); + hexvalue (ctx->sregs->regs.gprs[6], regs[6], 16); + hexvalue (ctx->sregs->regs.gprs[7], regs[7], 16); + hexvalue (ctx->sregs->regs.gprs[8], regs[8], 16); + hexvalue (ctx->sregs->regs.gprs[9], regs[9], 16); + hexvalue (ctx->sregs->regs.gprs[10], regs[10], 16); + hexvalue (ctx->sregs->regs.gprs[11], regs[11], 16); + hexvalue (ctx->sregs->regs.gprs[12], regs[12], 16); + hexvalue (ctx->sregs->regs.gprs[13], regs[13], 16); + hexvalue (ctx->sregs->regs.gprs[14], regs[14], 16); + hexvalue (ctx->sregs->regs.gprs[15], regs[15], 16); + hexvalue (ctx->sregs->regs.psw.mask, regs[16], 16); + hexvalue (ctx->sregs->regs.psw.addr, regs[17], 16); + + /* Generate the output. */ + ADD_STRING ("Register dump:\n\n GPR0: "); + ADD_MEM (regs[0], 16); + ADD_STRING (" GPR1: "); + ADD_MEM (regs[1], 16); + ADD_STRING (" GPR2: "); + ADD_MEM (regs[2], 16); + ADD_STRING (" GPR3: "); + ADD_MEM (regs[3], 16); + ADD_STRING ("\n GPR4: "); + ADD_MEM (regs[4], 16); + ADD_STRING (" GPR5: "); + ADD_MEM (regs[5], 16); + ADD_STRING (" GPR6: "); + ADD_MEM (regs[6], 16); + ADD_STRING (" GPR7: "); + ADD_MEM (regs[7], 16); + ADD_STRING ("\n GPR8: "); + ADD_MEM (regs[8], 16); + ADD_STRING (" GPR9: "); + ADD_MEM (regs[9], 16); + ADD_STRING (" GPRA: "); + ADD_MEM (regs[10], 16); + ADD_STRING (" GPRB: "); + ADD_MEM (regs[11], 16); + ADD_STRING ("\n GPRC: "); + ADD_MEM (regs[12], 16); + ADD_STRING (" GPRD: "); + ADD_MEM (regs[13], 16); + ADD_STRING (" GPRE: "); + ADD_MEM (regs[14], 16); + ADD_STRING (" GPRF: "); + ADD_MEM (regs[15], 16); + ADD_STRING ("\n\n PSW.MASK: "); + ADD_MEM (regs[16], 16); + ADD_STRING (" PSW.ADDR: "); + ADD_MEM (regs[17], 16); + ADD_STRING (" TRAP: "); + ADD_MEM (regs[18], 4); + ADD_STRING ("\n"); + + /* Write the stuff out. */ + writev (fd, iov, nr); +} + + +#define REGISTER_DUMP register_dump (fd, ctx) |