diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/register-dump.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/register-dump.h | 283 |
1 files changed, 183 insertions, 100 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/register-dump.h b/sysdeps/unix/sysv/linux/alpha/register-dump.h index 9d55bc0fc5..45dafe0a1f 100644 --- a/sysdeps/unix/sysv/linux/alpha/register-dump.h +++ b/sysdeps/unix/sysv/linux/alpha/register-dump.h @@ -16,8 +16,10 @@ License along with the GNU C Library. If not, see <http://www.gnu.org/licenses/>. */ -#include <stddef.h> #include <string.h> +#include <ucontext.h> +#include <sys/uio.h> +#include <_itoa.h> /* We will print the register dump in this format: @@ -48,109 +50,190 @@ TA0: XXXXXXXXXXXXXXXX TA1: XXXXXXXXXXXXXXXX TA2: XXXXXXXXXXXXXXXX */ -#define NREGS (32+32+3) - -static const char __attribute__((aligned(8))) regnames[NREGS][8] = -{ - " V0: ", " T0: ", " T1: ", - " T2: ", " T3: ", " T4: ", - " T5: ", " T6: ", " T7: ", - " S0: ", " S1: ", " S2: ", - " S3: ", " S4: ", " S5: ", - " S6: ", " A0: ", " A1: ", - " A2: ", " A3: ", " A4: ", - " A5: ", " T8: ", " T9: ", - " T10: ", " T11: ", " RA: ", - " T12: ", " AT: ", " GP: ", - " SP: ", " PC: ", - - " FP0: ", " FP1: ", " FP2: ", - " FP3: ", " FP4: ", " FP5: ", - " FP6: ", " FP7: ", " FP8: ", - " FP9: ", " FP10: ", " FP11: ", - " FP12: ", " FP13: ", " FP14: ", - " FP15: ", " FP16: ", " FP17: ", - " FP18: ", " FP19: ", " FP20: ", - " FP21: ", " FP22: ", " FP23: ", - " FP24: ", " FP25: ", " FP26: ", - " FP27: ", " FP28: ", " FP29: ", - " FP30: ", " FPCR: ", - - " TA0: ", " TA1: ", " TA2: " -}; - -#define O(FIELD, LF) offsetof(struct sigcontext, FIELD) + LF - -static const int offsets[NREGS] = +static void +hexvalue (unsigned long int value, char *buf, size_t len) { - O(sc_regs[0], 0), O(sc_regs[1], 0), O(sc_regs[2], 1), - O(sc_regs[3], 0), O(sc_regs[4], 0), O(sc_regs[5], 1), - O(sc_regs[6], 0), O(sc_regs[7], 0), O(sc_regs[8], 1), - O(sc_regs[9], 0), O(sc_regs[10], 0), O(sc_regs[11], 1), - O(sc_regs[12], 0), O(sc_regs[13], 0), O(sc_regs[14], 1), - O(sc_regs[15], 0), O(sc_regs[16], 0), O(sc_regs[17], 1), - O(sc_regs[18], 0), O(sc_regs[19], 0), O(sc_regs[20], 1), - O(sc_regs[21], 0), O(sc_regs[22], 0), O(sc_regs[23], 1), - O(sc_regs[24], 0), O(sc_regs[25], 0), O(sc_regs[26], 1), - O(sc_regs[27], 0), O(sc_regs[28], 0), O(sc_regs[29], 1), - O(sc_regs[30], 0), O(sc_pc, 2), - - O(sc_fpregs[0], 0), O(sc_fpregs[1], 0), O(sc_fpregs[2], 1), - O(sc_fpregs[3], 0), O(sc_fpregs[4], 0), O(sc_fpregs[5], 1), - O(sc_fpregs[6], 0), O(sc_fpregs[7], 0), O(sc_fpregs[8], 1), - O(sc_fpregs[9], 0), O(sc_fpregs[10], 0), O(sc_fpregs[11], 1), - O(sc_fpregs[12], 0), O(sc_fpregs[13], 0), O(sc_fpregs[14], 1), - O(sc_fpregs[15], 0), O(sc_fpregs[16], 0), O(sc_fpregs[17], 1), - O(sc_fpregs[18], 0), O(sc_fpregs[19], 0), O(sc_fpregs[20], 1), - O(sc_fpregs[21], 0), O(sc_fpregs[22], 0), O(sc_fpregs[23], 1), - O(sc_fpregs[24], 0), O(sc_fpregs[25], 0), O(sc_fpregs[26], 1), - O(sc_fpregs[27], 0), O(sc_fpregs[28], 0), O(sc_fpregs[29], 1), - O(sc_fpregs[30], 0), O(sc_fpcr, 2), - - O(sc_traparg_a0, 0), O(sc_traparg_a1, 0), O(sc_traparg_a2, 1) -}; - -#undef O + char *cp = _itoa_word (value, buf + len, 16, 0); + while (cp > buf) + *--cp = '0'; +} static void -register_dump (int fd, struct sigcontext *ctx) +register_dump (int fd, struct ucontext_t *ctx) { - char buf[NREGS*(8+16) + 25 + 80]; - char *p = buf; - size_t i; - - p = stpcpy (p, "Register dump:\n\n"); - - for (i = 0; i < NREGS; ++i) - { - int this_offset, this_lf; - unsigned long val; - signed long j; - - this_offset = offsets[i]; - this_lf = this_offset & 7; - - val = *(unsigned long *)(((size_t)ctx + this_offset) & -8); - - memcpy (p, regnames[i], 8); - p += 8; - - for (j = 60; j >= 0; j -= 4) - { - unsigned long x = (val >> j) & 15; - x += x < 10 ? '0' : 'a' - 10; - *p++ = x; - } - - if (this_lf > 0) - { - if (this_lf > 1) - *p++ = '\n'; - *p++ = '\n'; - } - } - - write (fd, buf, p - buf); + struct iovec iov[31 * 2 + 2 /* REGS + PC. */ + + 31 * 2 + 2 /* FREGS + FPCR. */ + + (3 * 2) /* TA0, TA1, TA3. */ + + 1 /* '\n'. */]; + 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 + + char regs[31][16]; + char pc[16]; + for (int i = 0; i < 31; i++) + hexvalue (ctx->uc_mcontext.sc_regs[i], regs[i], 16); + hexvalue (ctx->uc_mcontext.sc_pc, pc, 16); + + /* Generate the output. */ + ADD_STRING ("Register dump:\n\n V0: "); + ADD_MEM (regs[0], 16); + ADD_STRING (" T0: "); + ADD_MEM (regs[1], 16); + ADD_STRING (" T1: "); + ADD_MEM (regs[2], 16); + ADD_STRING ("\n T2: "); + ADD_MEM (regs[3], 16); + ADD_STRING (" T3: "); + ADD_MEM (regs[4], 16); + ADD_STRING (" T4: "); + ADD_MEM (regs[5], 16); + ADD_STRING ("\n T5: "); + ADD_MEM (regs[6], 16); + ADD_STRING (" T6: "); + ADD_MEM (regs[7], 16); + ADD_STRING (" T7: "); + ADD_MEM (regs[8], 16); + ADD_STRING ("\n S0: "); + ADD_MEM (regs[9], 16); + ADD_STRING (" S1: "); + ADD_MEM (regs[10], 16); + ADD_STRING (" S2: "); + ADD_MEM (regs[11], 16); + ADD_STRING ("\n S3: "); + ADD_MEM (regs[12], 16); + ADD_STRING (" S4: "); + ADD_MEM (regs[13], 16); + ADD_STRING (" S5: "); + ADD_MEM (regs[14], 16); + ADD_STRING ("\n S6: "); + ADD_MEM (regs[15], 16); + ADD_STRING (" A0: "); + ADD_MEM (regs[16], 16); + ADD_STRING (" A1: "); + ADD_MEM (regs[17], 16); + ADD_STRING ("\n A2: "); + ADD_MEM (regs[18], 16); + ADD_STRING (" A3: "); + ADD_MEM (regs[19], 16); + ADD_STRING (" A4: "); + ADD_MEM (regs[20], 16); + ADD_STRING ("\n A5: "); + ADD_MEM (regs[21], 16); + ADD_STRING (" T8: "); + ADD_MEM (regs[22], 16); + ADD_STRING (" T9: "); + ADD_MEM (regs[23], 16); + ADD_STRING ("\n T10: "); + ADD_MEM (regs[24], 16); + ADD_STRING (" T11: "); + ADD_MEM (regs[25], 16); + ADD_STRING (" RA: "); + ADD_MEM (regs[26], 16); + ADD_STRING ("\n T12: "); + ADD_MEM (regs[27], 16); + ADD_STRING (" AT: "); + ADD_MEM (regs[28], 16); + ADD_STRING (" GP: "); + ADD_MEM (regs[29], 16); + ADD_STRING ("\n SP: "); + ADD_MEM (regs[30], 16); + ADD_STRING (" PC: "); + ADD_MEM (pc, 16); + + char fpregs[31][16]; + char fpcr[16]; + for (int i = 0; i < 31; i++) + hexvalue (ctx->uc_mcontext.sc_fpregs[i], fpregs[i], 16); + hexvalue (ctx->uc_mcontext.sc_fpcr, fpcr, 16); + + ADD_STRING ("\n\n FP0: "); + ADD_MEM (fpregs[0], 16); + ADD_STRING (" FP1: "); + ADD_MEM (fpregs[1], 16); + ADD_STRING (" FP2: "); + ADD_MEM (fpregs[2], 16); + ADD_STRING ("\n FP3: "); + ADD_MEM (fpregs[3], 16); + ADD_STRING (" FP4: "); + ADD_MEM (fpregs[4], 16); + ADD_STRING (" FP5: "); + ADD_MEM (fpregs[5], 16); + ADD_STRING ("\n FP6: "); + ADD_MEM (fpregs[6], 16); + ADD_STRING (" FP7: "); + ADD_MEM (fpregs[7], 16); + ADD_STRING (" FP8: "); + ADD_MEM (fpregs[8], 16); + ADD_STRING ("\n FP9: "); + ADD_MEM (fpregs[9], 16); + ADD_STRING (" FP10: "); + ADD_MEM (fpregs[10], 16); + ADD_STRING (" FP11: "); + ADD_MEM (fpregs[11], 16); + ADD_STRING ("\n FP12: "); + ADD_MEM (fpregs[12], 16); + ADD_STRING (" FP13: "); + ADD_MEM (fpregs[13], 16); + ADD_STRING (" FP14: "); + ADD_MEM (fpregs[14], 16); + ADD_STRING ("\n FP15: "); + ADD_MEM (fpregs[15], 16); + ADD_STRING (" FP16: "); + ADD_MEM (fpregs[16], 16); + ADD_STRING (" FP17: "); + ADD_MEM (fpregs[17], 16); + ADD_STRING ("\n FP18: "); + ADD_MEM (fpregs[18], 16); + ADD_STRING (" FP19: "); + ADD_MEM (fpregs[19], 16); + ADD_STRING (" FP20: "); + ADD_MEM (fpregs[20], 16); + ADD_STRING ("\n FP21: "); + ADD_MEM (fpregs[21], 16); + ADD_STRING (" FP22: "); + ADD_MEM (fpregs[22], 16); + ADD_STRING (" FP23: "); + ADD_MEM (fpregs[23], 16); + ADD_STRING ("\n FP24: "); + ADD_MEM (fpregs[24], 16); + ADD_STRING (" FP25: "); + ADD_MEM (fpregs[25], 16); + ADD_STRING (" FP26: "); + ADD_MEM (fpregs[26], 16); + ADD_STRING ("\n FP27: "); + ADD_MEM (fpregs[27], 16); + ADD_STRING (" FP28: "); + ADD_MEM (fpregs[28], 16); + ADD_STRING (" FP29: "); + ADD_MEM (fpregs[29], 16); + ADD_STRING ("\n FP30: "); + ADD_MEM (fpregs[30], 16); + ADD_STRING (" FPCR: "); + ADD_MEM (fpcr, 16); + + char traparg[3][16]; + hexvalue (ctx->uc_mcontext.sc_traparg_a0, traparg[0], 16); + hexvalue (ctx->uc_mcontext.sc_traparg_a1, traparg[1], 16); + hexvalue (ctx->uc_mcontext.sc_traparg_a2, traparg[2], 16); + ADD_STRING ("\n\n TA0: "); + ADD_MEM (traparg[0], 16); + ADD_STRING (" TA1: "); + ADD_MEM (traparg[1], 16); + ADD_STRING (" TA2: "); + ADD_MEM (traparg[2], 16); + + ADD_STRING ("\n"); + + /* Write the stuff out. */ + writev (fd, iov, nr); } #define REGISTER_DUMP register_dump (fd, ctx) |