[patch] allows the 1st stage gcc to be built for x86

gcc-3.2.2-cross-x86.diff (text/plain), 2.54 KB, created by James Boddington (RETIRED) on 2003-03-23 05:00:38 UTC

--- gcc/config/i386/linux.h-orig	2003-03-10 01:35:15.000000000 +0000
+++ gcc/config/i386/linux.h	2003-03-10 01:35:59.000000000 +0000
@@ -221,60 +221,4 @@
    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_;							\
-									\
-    /* popl %eax ; movl $__NR_sigreturn,%eax ; int $0x80  */		\
-    if (*(unsigned short *)(pc_+0) == 0xb858				\
-	&& *(unsigned int *)(pc_+2) == 119				\
-	&& *(unsigned short *)(pc_+6) == 0x80cd)			\
-      sc_ = (CONTEXT)->cfa + 4;						\
-    /* movl $__NR_rt_sigreturn,%eax ; int $0x80  */			\
-    else if (*(unsigned char *)(pc_+0) == 0xb8				\
-	     && *(unsigned int *)(pc_+1) == 173				\
-	     && *(unsigned short *)(pc_+5) == 0x80cd)			\
-      {									\
-	struct rt_sigframe {						\
-	  int sig;							\
-	  struct siginfo *pinfo;					\
-	  void *puc;							\
-	  struct siginfo info;						\
-	  struct ucontext uc;						\
-	} *rt_ = (CONTEXT)->cfa;					\
-	sc_ = (struct sigcontext *) &rt_->uc.uc_mcontext;		\
-      }									\
-    else								\
-      break;								\
-									\
-    new_cfa_ = sc_->esp;						\
-    (FS)->cfa_how = CFA_REG_OFFSET;					\
-    (FS)->cfa_reg = 4;							\
-    (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_->eax - new_cfa_;		\
-    (FS)->regs.reg[3].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[3].loc.offset = (long)&sc_->ebx - new_cfa_;		\
-    (FS)->regs.reg[1].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[1].loc.offset = (long)&sc_->ecx - new_cfa_;		\
-    (FS)->regs.reg[2].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[2].loc.offset = (long)&sc_->edx - new_cfa_;		\
-    (FS)->regs.reg[6].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[6].loc.offset = (long)&sc_->esi - new_cfa_;		\
-    (FS)->regs.reg[7].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[7].loc.offset = (long)&sc_->edi - new_cfa_;		\
-    (FS)->regs.reg[5].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[5].loc.offset = (long)&sc_->ebp - new_cfa_;		\
-    (FS)->regs.reg[8].how = REG_SAVED_OFFSET;				\
-    (FS)->regs.reg[8].loc.offset = (long)&sc_->eip - new_cfa_;		\
-    (FS)->retaddr_column = 8;						\
-    goto SUCCESS;							\
-  } while (0)