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linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for x86-64.

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2002-04-26  Bo Thorsen  <bo@suse.co.uk>

	* config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
	x86-64.

From-SVN: r52781
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Bo Thorsen 2002-04-26 07:05:56 +00:00 committed by Bo Thorsen
parent f8b954fcdc
commit d8ae8cd480
2 changed files with 70 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-04-26 Bo Thorsen <bo@suse.co.uk>
* config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
x86-64.
2002-04-26 Neil Booth <neil@daikokuya.demon.co.uk>
* cppexp.c (CPP_UMINUS, CPP_UPLUS): New.

65
gcc/config/i386/linux64.h
View File

@ -64,3 +64,68 @@ Boston, MA 02111-1307, USA. */
#define ENDFILE_SPEC "\
%{m32:%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s} \
%{!m32:%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s}"
/* Do code reading to identify a signal frame, and set the frame
state data appropriately. See unwind-dw2.c for the structs. */
#ifdef IN_LIBGCC2
#include <signal.h>
#include <sys/ucontext.h>
#endif
#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
do { \
unsigned char *pc_ = (CONTEXT)->ra; \
struct sigcontext *sc_; \
long new_cfa_; \
\
/* movq __NR_rt_sigreturn, %rax ; syscall */ \
if (*(unsigned char *)(pc_+0) == 0x48 \
&& *(unsigned long *)(pc_+1) == 0x050f0000000fc0c7) \
{ \
struct ucontext *uc_ = (CONTEXT)->cfa; \
sc_ = (struct sigcontext *) &uc_->uc_mcontext; \
} \
else \
break; \
\
new_cfa_ = sc_->rsp; \
(FS)->cfa_how = CFA_REG_OFFSET; \
/* Register 7 is rsp */ \
(FS)->cfa_reg = 7; \
(FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa; \
\
/* The SVR4 register numbering macros aren't usable in libgcc. */ \
(FS)->regs.reg[0].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[0].loc.offset = (long)&sc_->rax - new_cfa_; \
(FS)->regs.reg[1].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[1].loc.offset = (long)&sc_->rbx - new_cfa_; \
(FS)->regs.reg[2].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[2].loc.offset = (long)&sc_->rcx - new_cfa_; \
(FS)->regs.reg[3].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[3].loc.offset = (long)&sc_->rdx - new_cfa_; \
(FS)->regs.reg[4].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[4].loc.offset = (long)&sc_->rbp - new_cfa_; \
(FS)->regs.reg[5].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[5].loc.offset = (long)&sc_->rsi - new_cfa_; \
(FS)->regs.reg[6].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[6].loc.offset = (long)&sc_->rdi - new_cfa_; \
(FS)->regs.reg[8].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[8].loc.offset = (long)&sc_->r8 - new_cfa_; \
(FS)->regs.reg[9].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[9].loc.offset = (long)&sc_->r9 - new_cfa_; \
(FS)->regs.reg[10].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[10].loc.offset = (long)&sc_->r10 - new_cfa_; \
(FS)->regs.reg[11].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[11].loc.offset = (long)&sc_->r11 - new_cfa_; \
(FS)->regs.reg[12].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[12].loc.offset = (long)&sc_->r12 - new_cfa_; \
(FS)->regs.reg[13].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[13].loc.offset = (long)&sc_->r13 - new_cfa_; \
(FS)->regs.reg[14].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[14].loc.offset = (long)&sc_->r14 - new_cfa_; \
(FS)->regs.reg[15].how = REG_SAVED_OFFSET; \
(FS)->regs.reg[15].loc.offset = (long)&sc_->r15 - new_cfa_; \
(FS)->retaddr_column = 16; \
goto SUCCESS; \
} while (0)