linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
* config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5. (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL) (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL): Likewise. (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct dwarf register number for SHmedia. (shmedia_fallback_frame_state): New. (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5. * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version. From-SVN: r100681
This commit is contained in:
Kaz Kojima
parent
4fab72345b
commit
ae88d80c22
3 changed files with 142 additions and 28 deletions
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@ -1,3 +1,16 @@
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2005-06-06 Kaz Kojima <kkojima@gcc.gnu.org>
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* config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
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(SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
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(SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
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Likewise.
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(SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
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dwarf register number for SHmedia.
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(shmedia_fallback_frame_state): New.
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(MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
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* config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
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2005-06-06 Gabriel Dos Reis <gdr@integrable-solutions.net>
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* c-lex.c (lex_string): Use XOBFINISH.
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@ -35,18 +35,11 @@ Boston, MA 02111-1307, USA. */
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# if defined (__SH5__)
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#define SH_DWARF_FRAME_GP0 0
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#define SH_DWARF_FRAME_FP0 (__SH5__ == 32 ? 245 : 77)
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#define SH_DWARF_FRAME_XD0 289
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#define SH_DWARF_FRAME_FP0 77
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#define SH_DWARF_FRAME_BT0 68
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#define SH_DWARF_FRAME_PR 241
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#define SH_DWARF_FRAME_PR_MEDIA 18
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#define SH_DWARF_FRAME_GBR 238
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#define SH_DWARF_FRAME_MACH 239
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#define SH_DWARF_FRAME_MACL 240
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#define SH_DWARF_FRAME_PC 64
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#define SH_DWARF_FRAME_SR 65
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#define SH_DWARF_FRAME_FPUL 244
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#define SH_DWARF_FRAME_FPSCR 243
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#define SH_DWARF_FRAME_FPSCR 76
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#else
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#define SH_DWARF_FRAME_GP0 0
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#define SH_DWARF_FRAME_FP0 25
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@ -62,7 +55,88 @@ Boston, MA 02111-1307, USA. */
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#endif /* defined (__SH5__) */
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#if defined (__SH5__)
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/* MD_FALLBACK_FRAME_STATE_FOR is not yet defined for SHMEDIA. */
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#define MD_FALLBACK_FRAME_STATE_FOR shmedia_fallback_frame_state
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static _Unwind_Reason_Code
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shmedia_fallback_frame_state (struct _Unwind_Context *context,
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_Unwind_FrameState *fs)
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{
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unsigned char *pc = context->ra;
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struct sigcontext *sc;
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long new_cfa;
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int i, r;
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/* movi 0x10,r9; shori 0x77,r9; trapa r9; nop (sigreturn) */
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/* movi 0x10,r9; shori 0xad,r9; trapa r9; nop (rt_sigreturn) */
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if ((*(unsigned long *) (pc-1) == 0xcc004090)
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&& (*(unsigned long *) (pc+3) == 0xc801dc90)
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&& (*(unsigned long *) (pc+7) == 0x6c91fff0)
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&& (*(unsigned long *) (pc+11) == 0x6ff0fff0))
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sc = context->cfa;
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else if ((*(unsigned long *) (pc-1) == 0xcc004090)
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&& (*(unsigned long *) (pc+3) == 0xc802b490)
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&& (*(unsigned long *) (pc+7) == 0x6c91fff0)
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&& (*(unsigned long *) (pc+11) == 0x6ff0fff0))
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{
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struct rt_sigframe {
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struct siginfo *pinfo;
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void *puc;
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struct siginfo info;
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struct ucontext uc;
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} *rt_ = context->cfa;
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sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
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}
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else
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return _URC_END_OF_STACK;
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new_cfa = sc->sc_regs[15];
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fs->cfa_how = CFA_REG_OFFSET;
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fs->cfa_reg = 15;
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fs->cfa_offset = new_cfa - (long) context->cfa;
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for (i = 0; i < 63; i++)
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{
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if (i == 15)
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continue;
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fs->regs.reg[i].how = REG_SAVED_OFFSET;
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fs->regs.reg[i].loc.offset
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= (long)&(sc->sc_regs[i]) - new_cfa;
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}
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fs->regs.reg[SH_DWARF_FRAME_SR].how = REG_SAVED_OFFSET;
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fs->regs.reg[SH_DWARF_FRAME_SR].loc.offset
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= (long)&(sc->sc_sr) - new_cfa;
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r = SH_DWARF_FRAME_BT0;
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for (i = 0; i < 8; i++)
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{
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fs->regs.reg[r+i].how = REG_SAVED_OFFSET;
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fs->regs.reg[r+i].loc.offset
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= (long)&(sc->sc_tregs[i]) - new_cfa;
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}
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r = SH_DWARF_FRAME_FP0;
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for (i = 0; i < 32; i++)
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{
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fs->regs.reg[r+i].how = REG_SAVED_OFFSET;
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fs->regs.reg[r+i].loc.offset
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= (long)&(sc->sc_fpregs[i]) - new_cfa;
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}
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fs->regs.reg[SH_DWARF_FRAME_FPSCR].how = REG_SAVED_OFFSET;
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fs->regs.reg[SH_DWARF_FRAME_FPSCR].loc.offset
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= (long)&(sc->sc_fpscr) - new_cfa;
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/* We use the slot for the zero register to save return address. */
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fs->regs.reg[63].how = REG_SAVED_OFFSET;
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fs->regs.reg[63].loc.offset
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= (long)&(sc->sc_pc) - new_cfa;
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fs->retaddr_column = 63;
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return _URC_NO_REASON;
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}
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#else /* defined (__SH5__) */
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#define MD_FALLBACK_FRAME_STATE_FOR sh_fallback_frame_state
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@ -68,29 +68,56 @@ Boston, MA 02111-1307, USA. */
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(STREAM,LABELNO) \
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do { \
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if (flag_pic) \
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if (TARGET_SHMEDIA) \
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{ \
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fprintf (STREAM, "\tmov.l\t3f,r1\n"); \
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fprintf (STREAM, "\tmova\t3f,r0\n"); \
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fprintf (STREAM, "\tadd\tr1,r0\n"); \
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fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
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fprintf (STREAM, "\tmov.l\t@(r0,r1),r1\n"); \
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fprintf (STREAM, "\tpt\t1f,tr1\n"); \
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fprintf (STREAM, "\taddi.l\tr15,-8,r15\n"); \
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fprintf (STREAM, "\tst.l\tr15,0,r18\n"); \
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if (flag_pic) \
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{ \
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char *gofs = "(datalabel _GLOBAL_OFFSET_TABLE_-(0f-.))"; \
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fprintf (STREAM, "\tmovi\t((%s>>16)&0xffff),r21\n", gofs); \
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fprintf (STREAM, "\tshori\t(%s & 0xffff),r21\n", gofs); \
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fprintf (STREAM, "0:\tptrel/u\tr21,tr0\n"); \
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fprintf (STREAM, "\tmovi\t((mcount@GOTPLT)&0xffff),r22\n"); \
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fprintf (STREAM, "\tgettr\ttr0,r21\n"); \
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fprintf (STREAM, "\tadd.l\tr21,r22,r21\n"); \
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fprintf (STREAM, "\tld.l\tr21,0,r21\n"); \
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fprintf (STREAM, "\tptabs\tr21,tr0\n"); \
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} \
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else \
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fprintf (STREAM, "\tpt\tmcount,tr0\n"); \
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fprintf (STREAM, "\tgettr\ttr1,r18\n"); \
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fprintf (STREAM, "\tblink\ttr0,r63\n"); \
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fprintf (STREAM, "1:\tld.l\tr15,0,r18\n"); \
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fprintf (STREAM, "\taddi.l\tr15,8,r15\n"); \
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} \
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else \
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fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
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fprintf (STREAM, "\tsts.l\tpr,@-r15\n"); \
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fprintf (STREAM, "\tmova\t2f,r0\n"); \
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fprintf (STREAM, "\tjmp\t@r1\n"); \
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fprintf (STREAM, "\tlds\tr0,pr\n"); \
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fprintf (STREAM, "\t.align\t2\n"); \
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if (flag_pic) \
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{ \
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fprintf (STREAM, "1:\t.long\tmcount@GOT\n"); \
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fprintf (STREAM, "3:\t.long\t_GLOBAL_OFFSET_TABLE_\n"); \
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if (flag_pic) \
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{ \
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fprintf (STREAM, "\tmov.l\t3f,r1\n"); \
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fprintf (STREAM, "\tmova\t3f,r0\n"); \
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fprintf (STREAM, "\tadd\tr1,r0\n"); \
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fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
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fprintf (STREAM, "\tmov.l\t@(r0,r1),r1\n"); \
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} \
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else \
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fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
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fprintf (STREAM, "\tsts.l\tpr,@-r15\n"); \
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fprintf (STREAM, "\tmova\t2f,r0\n"); \
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fprintf (STREAM, "\tjmp\t@r1\n"); \
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fprintf (STREAM, "\tlds\tr0,pr\n"); \
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fprintf (STREAM, "\t.align\t2\n"); \
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if (flag_pic) \
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{ \
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fprintf (STREAM, "1:\t.long\tmcount@GOT\n"); \
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fprintf (STREAM, "3:\t.long\t_GLOBAL_OFFSET_TABLE_\n"); \
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} \
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else \
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fprintf (STREAM, "1:\t.long\tmcount\n"); \
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fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \
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} \
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else \
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fprintf (STREAM, "1:\t.long\tmcount\n"); \
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fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \
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} while (0)
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#define MD_UNWIND_SUPPORT "config/sh/linux-unwind.h"
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