diff options
Diffstat (limited to 'sysdeps/powerpc/register-dump.h')
| -rw-r--r-- | sysdeps/powerpc/register-dump.h | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/sysdeps/powerpc/register-dump.h b/sysdeps/powerpc/register-dump.h index 2e15c0b..f1d3985 100644 --- a/sysdeps/powerpc/register-dump.h +++ b/sysdeps/powerpc/register-dump.h @@ -21,16 +21,26 @@ #include <stdio-common/_itoa.h> /* This prints out the information in the following form: */ -static const char dumpform[] = -"Register dump:\n\ -r0 =0000000% sp =0000000% r2 =0000000% r3 =0000000% r4 =0000000% r5 =0000000% -r6 =0000000% r7 =0000000% r8 =0000000% r9 =0000000% r10=0000000% r11=0000000% -r12=0000000% r13=0000000% r14=0000000% r15=0000000% r16=0000000% r17=0000000% -r18=0000000% r19=0000000% r20=0000000% r21=0000000% r22=0000000% r23=0000000% -r24=0000000% r25=0000000% r26=0000000% r27=0000000% r28=0000000% r29=0000000% -r30=0000000% r31=0000000% sr0=0000000% msr=0000000% r3*=0000000% ctr=0000000% -lr =0000000% xer=0000000% ccr=0000000% sr1=0000000% trap=0000000% -address of fault=0000000% dsisr=0000000%\n"; +static const char dumpform[] = "\ +Register dump: +fp0-3: 0000030%0000031% 0000032%0000033% 0000034%0000035% 0000036%0000037% +fp4-7: 0000038%0000039% 000003a%000003b% 000003c%000003d% 000003e%000003f% +fp8-11: 0000040%0000041% 0000042%0000043% 0000044%0000045% 0000046%0000047% +fp12-15: 0000048%0000049% 000004a%000004b% 000004c%000004d% 000004e%000004f% +fp16-19: 0000050%0000051% 0000052%0000053% 0000054%0000055% 0000056%0000057% +fp20-23: 0000058%0000059% 000005a%000005b% 000005c%000005d% 000005e%000005f% +fp24-27: 0000060%0000061% 0000062%0000063% 0000064%0000065% 0000066%0000067% +fp28-31: 0000068%0000069% 000006a%000006b% 000006c%000006d% 000006e%000006f% +r0 =0000000% sp =0000001% r2 =0000002% r3 =0000003% trap=0000028% +r4 =0000004% r5 =0000005% r6 =0000006% r7 =0000007% sr0=0000020% sr1=0000021% +r8 =0000008% r9 =0000009% r10=000000a% r11=000000b% dar=0000029% dsi=000002a% +r12=000000c% r13=000000d% r14=000000e% r15=000000f% r3*=0000022% +r16=0000010% r17=0000011% r18=0000012% r19=0000013% +r20=0000014% r21=0000015% r22=0000016% r23=0000017% lr=0000024% xer=0000025% +r24=0000018% r25=0000019% r26=000001a% r27=000001b% mq=0000027% ctr=0000023% +r28=000001c% r29=000001d% r30=000001e% r31=000001f% fscr=0000071% ccr=0000026% +"; + /* 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 @@ -66,8 +76,8 @@ address of fault=0000000% dsisr=0000000%\n"; 00C00 - System call exception (for instance, kill(3)). 00E00 - FP assist exception (optional FP instructions, etc.) - 'address of fault' is the memory location that wasn't mapped - (from the DAR). 'dsisr' has the following bits under trap 00300: + '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 @@ -82,23 +92,24 @@ address of fault=0000000% dsisr=0000000%\n"; 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, void **ctx) +register_dump (int fd, struct sigcontext *ctx) { char buffer[sizeof(dumpform)]; - char *bufferpos = buffer; - int i = 0; + char *bufferpos; + unsigned regno; + unsigned *regs = (unsigned *)(ctx->regs); memcpy(buffer, dumpform, sizeof(dumpform)); - ctx += 8; /* FIXME!!!! Why is this necessary? Is it necessary? */ - /* Generate the output. */ - while ((bufferpos = memchr (bufferpos, '%', sizeof(dumpform)))) + while ((bufferpos = memchr (buffer, '%', sizeof(dumpform)))) { - *bufferpos++ = '0'; - _itoa_word ((unsigned long int)(ctx[i]), bufferpos, 16, 0); - i++; + regno = xtoi (bufferpos[-1]) | xtoi (bufferpos[-2]) << 4; + memset (bufferpos-2, '0', 3); + _itoa_word (regs[regno], bufferpos+1, 16, 0); } /* Write the output. */ |