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Diffstat (limited to 'sysdeps/mach/hurd/powerpc/register-dump.h')
| -rw-r--r-- | sysdeps/mach/hurd/powerpc/register-dump.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/sysdeps/mach/hurd/powerpc/register-dump.h b/sysdeps/mach/hurd/powerpc/register-dump.h deleted file mode 100644 index 80d545e488..0000000000 --- a/sysdeps/mach/hurd/powerpc/register-dump.h +++ /dev/null @@ -1,119 +0,0 @@ -/* Dump registers. PowerPC/Hurd version. - Copyright (C) 1998, 2001, 2006 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sys/uio.h> -#include <_itoa.h> - -/* This prints out the information in the following form: */ -static const char dumpform[] = "\ -Register dump:\n\ -fp0-3: 0000030%0000031% 0000032%0000033% 0000034%0000035% 0000036%0000037%\n\ -fp4-7: 0000038%0000039% 000003a%000003b% 000003c%000003d% 000003e%000003f%\n\ -fp8-11: 0000040%0000041% 0000042%0000043% 0000044%0000045% 0000046%0000047%\n\ -fp12-15: 0000048%0000049% 000004a%000004b% 000004c%000004d% 000004e%000004f%\n\ -fp16-19: 0000050%0000051% 0000052%0000053% 0000054%0000055% 0000056%0000057%\n\ -fp20-23: 0000058%0000059% 000005a%000005b% 000005c%000005d% 000005e%000005f%\n\ -fp24-27: 0000060%0000061% 0000062%0000063% 0000064%0000065% 0000066%0000067%\n\ -fp28-31: 0000068%0000069% 000006a%000006b% 000006c%000006d% 000006e%000006f%\n\ -r0 =0000002% sp =0000003% r2 =0000004% r3 =0000005%\n\ -r4 =0000006% r5 =0000007% r6 =0000008% r7 =0000009% sr0=0000000% sr1=0000001%\n\ -r8 =000000a% r9 =000000b% r10=000000c% r11=000000d% cr=0000022% xer=0000023%\n\ -r12=000000e% r13=000000f% r14=0000010% r15=0000011% lr=0000024% ctr=0000025%\n\ -r16=0000012% r17=0000013% r18=0000014% r19=0000015% mq=0000026% fcr=0000071%\n\ -r20=0000016% r21=0000017% r22=0000018% r23=0000019% dar=0000028% dsi=0000029%\n\ -r24=000001a% r25=000001b% r26=000001c% r27=000001d% exc=000002a%\n\ -r28=000001e% r29=000001f% r30=0000020% r31=0000021%\n\ -"; - -/* Most of the fields are self-explanatory. 'sr0' is the next - instruction to execute, from SRR0, which may have some relationship - with the instruction that caused the exception. 'r3*' is the value - that will be returned in register 3 when the current system call - returns. 'sr1' is SRR1, bits 16-31 of which are copied from the MSR: - - 16 - External interrupt enable - 17 - Privilege level (1=user, 0=supervisor) - 18 - FP available - 19 - Machine check enable (if clear, processor locks up on machine check) - 20 - FP exception mode bit 0 (FP exceptions recoverable) - 21 - Single-step trace enable - 22 - Branch trace enable - 23 - FP exception mode bit 1 - 25 - exception prefix (if set, exceptions are taken from 0xFFFnnnnn, - otherwise from 0x000nnnnn). - 26 - Instruction address translation enabled. - 27 - Data address translation enabled. - 30 - Exception is recoverable (otherwise, don't try to return). - 31 - Little-endian mode enable. - - 'Trap' is the address of the exception: - - 00200 - Machine check exception (memory parity error, for instance) - 00300 - Data access exception (memory not mapped, see dsisr for why) - 00400 - Instruction access exception (memory not mapped) - 00500 - External interrupt - 00600 - Alignment exception (see dsisr for more information) - 00700 - Program exception (illegal/trap instruction, FP exception) - 00800 - FP unavailable (should not be seen by user code) - 00900 - Decrementer exception (for instance, SIGALRM) - 00A00 - I/O controller interface exception - 00C00 - System call exception (for instance, kill(3)). - 00E00 - FP assist exception (optional FP instructions, etc.) - - 'dar' is the memory location, for traps 00300, 00400, 00600, 00A00. - 'dsisr' has the following bits under trap 00300: - 0 - direct-store error exception - 1 - no page table entry for page - 4 - memory access not permitted - 5 - trying to access I/O controller space or using lwarx/stwcx on - non-write-cached memory - 6 - access was store - 9 - data access breakpoint hit - 10 - segment table search failed to find translation (64-bit ppcs only) - 11 - I/O controller instruction not permitted - For trap 00400, the same bits are set in SRR1 instead. - For trap 00600, bits 12-31 of the DSISR set to allow emulation of - the instruction without actually having to read it from memory. -*/ - -#define xtoi(x) (x >= 'a' ? x + 10 - 'a' : x - '0') - -static void -register_dump (int fd, struct sigcontext *ctx) -{ - char buffer[sizeof(dumpform)]; - char *bufferpos; - unsigned regno; - unsigned *regs = (unsigned *)(&ctx->sc_srr0); - - memcpy(buffer, dumpform, sizeof(dumpform)); - - /* Generate the output. */ - while ((bufferpos = memchr (buffer, '%', sizeof(dumpform)))) - { - regno = xtoi (bufferpos[-1]) | xtoi (bufferpos[-2]) << 4; - memset (bufferpos-2, '0', 3); - _itoa_word (regs[regno], bufferpos+1, 16, 0); - } - - /* Write the output. */ - write (fd, buffer, sizeof(buffer) - 1); -} - -#define REGISTER_DUMP \ - register_dump (fd, ctx) |