diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/register-dump.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/register-dump.h | 90 |
1 files changed, 30 insertions, 60 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/register-dump.h b/sysdeps/unix/sysv/linux/m68k/register-dump.h index b9941e813e..9edf53f771 100644 --- a/sysdeps/unix/sysv/linux/m68k/register-dump.h +++ b/sysdeps/unix/sysv/linux/m68k/register-dump.h @@ -39,35 +39,9 @@ */ -/* Linux saves only the call-clobbered registers in the sigcontext. We - need to use a trampoline that saves the rest so that the C code can - access them. We use the sc_fpstate field, since the handler is not - supposed to return anyway, thus it doesn't matter that it's clobbered. */ - -/* static */ void catch_segfault (int, int, struct sigcontext *); - -/* Dummy function so that we can use asm with arguments. */ -static void __attribute_used__ -__dummy__ (void) -{ - asm ("\n\ -catch_segfault:\n\ - move.l 12(%%sp),%%a0\n\ - lea %c0(%%a0),%%a0\n\ - /* Clear the first 4 bytes to make it a null fp state, just\n\ - in case the handler does return. */\n\ - clr.l (%%a0)+\n\ - movem.l %%d2-%%d7/%%a2-%%a6,(%%a0)\n" -#ifndef __mcoldfire__ - "fmovem.x %%fp2-%%fp7,11*4(%%a0)\n" -#elif defined __mcffpu__ - "fmovem.d %%fp2-%%fp7,11*4(%%a0)\n" -#endif - "jra real_catch_segfault" - : : "n" (offsetof (struct sigcontext, sc_fpstate))); -} -#define catch_segfault(a,b) \ - __attribute_used__ real_catch_segfault(a,b) +#define FPCONTEXT_SIZE 216 +#define uc_formatvec __glibc_reserved1[FPCONTEXT_SIZE/4] +#define uc_oldmask uc_sigmask.__val[0] static void hexvalue (unsigned long int value, char *buf, size_t len) @@ -78,13 +52,11 @@ hexvalue (unsigned long int value, char *buf, size_t len) } static void -register_dump (int fd, struct sigcontext *ctx) +register_dump (int fd, struct ucontext_t *ctx) { char regs[20][8]; char fpregs[11][24]; struct iovec iov[63], *next_iov = iov; - unsigned long *p = (unsigned long *) ctx->sc_fpstate + 1; - unsigned long *pfp = (unsigned long *) ctx->sc_fpregs; int i, j, fpreg_size; #define ADD_STRING(str) \ @@ -103,35 +75,33 @@ register_dump (int fd, struct sigcontext *ctx) #endif /* Generate strings of register contents. */ - hexvalue (ctx->sc_d0, regs[0], 8); - hexvalue (ctx->sc_d1, regs[1], 8); - hexvalue (*p++, regs[2], 8); - hexvalue (*p++, regs[3], 8); - hexvalue (*p++, regs[4], 8); - hexvalue (*p++, regs[5], 8); - hexvalue (*p++, regs[6], 8); - hexvalue (*p++, regs[7], 8); - hexvalue (ctx->sc_a0, regs[8], 8); - hexvalue (ctx->sc_a1, regs[9], 8); - hexvalue (*p++, regs[10], 8); - hexvalue (*p++, regs[11], 8); - hexvalue (*p++, regs[12], 8); - hexvalue (*p++, regs[13], 8); - hexvalue (*p++, regs[14], 8); - hexvalue (ctx->sc_usp, regs[15], 8); - hexvalue (ctx->sc_pc, regs[16], 8); - hexvalue (ctx->sc_sr, regs[17], 4); - hexvalue (ctx->sc_mask, regs[18], 8); - hexvalue (ctx->sc_formatvec & 0xfff, regs[19], 4); - for (i = 0; i < 2; i++) - for (j = 0; j < fpreg_size; j += 8) - hexvalue (*pfp++, fpregs[i] + j, 8); - for (i = 2; i < 8; i++) + hexvalue (ctx->uc_mcontext.gregs[R_D0], regs[0], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D1], regs[1], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D2], regs[2], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D3], regs[3], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D4], regs[4], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D5], regs[5], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D6], regs[6], 8); + hexvalue (ctx->uc_mcontext.gregs[R_D7], regs[7], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A0], regs[8], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A1], regs[9], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A2], regs[10], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A3], regs[11], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A4], regs[12], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A5], regs[13], 8); + hexvalue (ctx->uc_mcontext.gregs[R_A6], regs[14], 8); + hexvalue (ctx->uc_mcontext.gregs[R_SP], regs[15], 8); + hexvalue (ctx->uc_mcontext.gregs[R_PC], regs[16], 8); + hexvalue (ctx->uc_mcontext.gregs[R_PS], regs[17], 4); + hexvalue (ctx->uc_oldmask, regs[18], 8); + hexvalue (ctx->uc_formatvec & 0xfff, regs[19], 4); + + for (i = 0; i < 8; i++) for (j = 0; j < fpreg_size; j += 8) - hexvalue (*p++, fpregs[i] + j, 8); - hexvalue (ctx->sc_fpcntl[0], fpregs[8], 8); - hexvalue (ctx->sc_fpcntl[1], fpregs[9], 8); - hexvalue (ctx->sc_fpcntl[2], fpregs[10], 8); + hexvalue (ctx->uc_mcontext.fpregs.f_fpregs[i][j/8], fpregs[i] + j, 8); + hexvalue (ctx->uc_mcontext.fpregs.f_pcr, fpregs[8], 8); + hexvalue (ctx->uc_mcontext.fpregs.f_psr, fpregs[9], 8); + hexvalue (ctx->uc_mcontext.fpregs.f_fpiaddr, fpregs[10], 8); /* Generate the output. */ ADD_STRING ("Register dump:\n\n D0: "); |