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riscv-gcc-1
Commit ae88d80c by Kaz Kojima
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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
parent 4fab7234
Showing with 142 additions and 28 deletions
gcc/ChangeLog
2005-06-06 Kaz Kojima <kkojima@gcc.gnu.org>
* 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.
2005-06-06 Gabriel Dos Reis <gdr@integrable-solutions.net>
* c-lex.c (lex_string): Use XOBFINISH.
......
gcc/config/sh/linux-unwind.h
......@@ -35,18 +35,11 @@ Boston, MA 02111-1307, USA. */
# if defined (__SH5__)
#define SH_DWARF_FRAME_GP0 0
#define SH_DWARF_FRAME_FP0 (__SH5__ == 32 ? 245 : 77)
#define SH_DWARF_FRAME_XD0 289
#define SH_DWARF_FRAME_FP0 77
#define SH_DWARF_FRAME_BT0 68
#define SH_DWARF_FRAME_PR 241
#define SH_DWARF_FRAME_PR_MEDIA 18
#define SH_DWARF_FRAME_GBR 238
#define SH_DWARF_FRAME_MACH 239
#define SH_DWARF_FRAME_MACL 240
#define SH_DWARF_FRAME_PC 64
#define SH_DWARF_FRAME_SR 65
#define SH_DWARF_FRAME_FPUL 244
#define SH_DWARF_FRAME_FPSCR 243
#define SH_DWARF_FRAME_FPSCR 76
#else
#define SH_DWARF_FRAME_GP0 0
#define SH_DWARF_FRAME_FP0 25
......@@ -62,7 +55,88 @@ Boston, MA 02111-1307, USA. */
#endif /* defined (__SH5__) */
#if defined (__SH5__)
/* MD_FALLBACK_FRAME_STATE_FOR is not yet defined for SHMEDIA. */
#define MD_FALLBACK_FRAME_STATE_FOR shmedia_fallback_frame_state
static _Unwind_Reason_Code
shmedia_fallback_frame_state (struct _Unwind_Context *context,
_Unwind_FrameState *fs)
{
unsigned char *pc = context->ra;
struct sigcontext *sc;
long new_cfa;
int i, r;
/* movi 0x10,r9; shori 0x77,r9; trapa r9; nop (sigreturn) */
/* movi 0x10,r9; shori 0xad,r9; trapa r9; nop (rt_sigreturn) */
if ((*(unsigned long *) (pc-1) == 0xcc004090)
&& (*(unsigned long *) (pc+3) == 0xc801dc90)
&& (*(unsigned long *) (pc+7) == 0x6c91fff0)
&& (*(unsigned long *) (pc+11) == 0x6ff0fff0))
sc = context->cfa;
else if ((*(unsigned long *) (pc-1) == 0xcc004090)
&& (*(unsigned long *) (pc+3) == 0xc802b490)
&& (*(unsigned long *) (pc+7) == 0x6c91fff0)
&& (*(unsigned long *) (pc+11) == 0x6ff0fff0))
{
struct rt_sigframe {
struct siginfo *pinfo;
void *puc;
struct siginfo info;
struct ucontext uc;
} *rt_ = context->cfa;
sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
}
else
return _URC_END_OF_STACK;
new_cfa = sc->sc_regs[15];
fs->cfa_how = CFA_REG_OFFSET;
fs->cfa_reg = 15;
fs->cfa_offset = new_cfa - (long) context->cfa;
for (i = 0; i < 63; i++)
{
if (i == 15)
continue;
fs->regs.reg[i].how = REG_SAVED_OFFSET;
fs->regs.reg[i].loc.offset
= (long)&(sc->sc_regs[i]) - new_cfa;
}
fs->regs.reg[SH_DWARF_FRAME_SR].how = REG_SAVED_OFFSET;
fs->regs.reg[SH_DWARF_FRAME_SR].loc.offset
= (long)&(sc->sc_sr) - new_cfa;
r = SH_DWARF_FRAME_BT0;
for (i = 0; i < 8; i++)
{
fs->regs.reg[r+i].how = REG_SAVED_OFFSET;
fs->regs.reg[r+i].loc.offset
= (long)&(sc->sc_tregs[i]) - new_cfa;
}
r = SH_DWARF_FRAME_FP0;
for (i = 0; i < 32; i++)
{
fs->regs.reg[r+i].how = REG_SAVED_OFFSET;
fs->regs.reg[r+i].loc.offset
= (long)&(sc->sc_fpregs[i]) - new_cfa;
}
fs->regs.reg[SH_DWARF_FRAME_FPSCR].how = REG_SAVED_OFFSET;
fs->regs.reg[SH_DWARF_FRAME_FPSCR].loc.offset
= (long)&(sc->sc_fpscr) - new_cfa;
/* We use the slot for the zero register to save return address. */
fs->regs.reg[63].how = REG_SAVED_OFFSET;
fs->regs.reg[63].loc.offset
= (long)&(sc->sc_pc) - new_cfa;
fs->retaddr_column = 63;
return _URC_NO_REASON;
}
#else /* defined (__SH5__) */
#define MD_FALLBACK_FRAME_STATE_FOR sh_fallback_frame_state
......
gcc/config/sh/linux.h
......@@ -68,29 +68,56 @@ Boston, MA 02111-1307, USA. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(STREAM,LABELNO) \
do { \
if (flag_pic) \
if (TARGET_SHMEDIA) \
{ \
fprintf (STREAM, "\tmov.l\t3f,r1\n"); \
fprintf (STREAM, "\tmova\t3f,r0\n"); \
fprintf (STREAM, "\tadd\tr1,r0\n"); \
fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
fprintf (STREAM, "\tmov.l\t@(r0,r1),r1\n"); \
fprintf (STREAM, "\tpt\t1f,tr1\n"); \
fprintf (STREAM, "\taddi.l\tr15,-8,r15\n"); \
fprintf (STREAM, "\tst.l\tr15,0,r18\n"); \
if (flag_pic) \
{ \
char *gofs = "(datalabel _GLOBAL_OFFSET_TABLE_-(0f-.))"; \
fprintf (STREAM, "\tmovi\t((%s>>16)&0xffff),r21\n", gofs); \
fprintf (STREAM, "\tshori\t(%s & 0xffff),r21\n", gofs); \
fprintf (STREAM, "0:\tptrel/u\tr21,tr0\n"); \
fprintf (STREAM, "\tmovi\t((mcount@GOTPLT)&0xffff),r22\n"); \
fprintf (STREAM, "\tgettr\ttr0,r21\n"); \
fprintf (STREAM, "\tadd.l\tr21,r22,r21\n"); \
fprintf (STREAM, "\tld.l\tr21,0,r21\n"); \
fprintf (STREAM, "\tptabs\tr21,tr0\n"); \
} \
else \
fprintf (STREAM, "\tpt\tmcount,tr0\n"); \
fprintf (STREAM, "\tgettr\ttr1,r18\n"); \
fprintf (STREAM, "\tblink\ttr0,r63\n"); \
fprintf (STREAM, "1:\tld.l\tr15,0,r18\n"); \
fprintf (STREAM, "\taddi.l\tr15,8,r15\n"); \
} \
else \
fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
fprintf (STREAM, "\tsts.l\tpr,@-r15\n"); \
fprintf (STREAM, "\tmova\t2f,r0\n"); \
fprintf (STREAM, "\tjmp\t@r1\n"); \
fprintf (STREAM, "\tlds\tr0,pr\n"); \
fprintf (STREAM, "\t.align\t2\n"); \
if (flag_pic) \
{ \
fprintf (STREAM, "1:\t.long\tmcount@GOT\n"); \
fprintf (STREAM, "3:\t.long\t_GLOBAL_OFFSET_TABLE_\n"); \
if (flag_pic) \
{ \
fprintf (STREAM, "\tmov.l\t3f,r1\n"); \
fprintf (STREAM, "\tmova\t3f,r0\n"); \
fprintf (STREAM, "\tadd\tr1,r0\n"); \
fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
fprintf (STREAM, "\tmov.l\t@(r0,r1),r1\n"); \
} \
else \
fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
fprintf (STREAM, "\tsts.l\tpr,@-r15\n"); \
fprintf (STREAM, "\tmova\t2f,r0\n"); \
fprintf (STREAM, "\tjmp\t@r1\n"); \
fprintf (STREAM, "\tlds\tr0,pr\n"); \
fprintf (STREAM, "\t.align\t2\n"); \
if (flag_pic) \
{ \
fprintf (STREAM, "1:\t.long\tmcount@GOT\n"); \
fprintf (STREAM, "3:\t.long\t_GLOBAL_OFFSET_TABLE_\n"); \
} \
else \
fprintf (STREAM, "1:\t.long\tmcount\n"); \
fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \
} \
else \
fprintf (STREAM, "1:\t.long\tmcount\n"); \
fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \
} while (0)
#define MD_UNWIND_SUPPORT "config/sh/linux-unwind.h"
......
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