Changes for k*bsd-gnu support.

	* config/i386/linux.h: Define REG_NAME to allow overriding of
	register names in sc structure.
	* config/i386/linux-unwind.h: Refer to sc->REG_NAME(reg) instead
	of sc->reg.
	* config.gcc: Detect x86_64-k*bsd-gnu systems.

From-SVN: r91350

gcc/ChangeLog

+2004-11-26  Robert Millan  <robertmh@gnu.org>
+
+	Changes for k*bsd-gnu support.
+	* config/i386/linux.h: Define REG_NAME to allow overriding of
+	register names in sc structure.
+	* config/i386/linux-unwind.h: Refer to sc->REG_NAME(reg) instead
+	of sc->reg.
+	* config.gcc: Detect x86_64-k*bsd-gnu systems.
+
 2004-11-26  Jeff Law  <law@redhat.com>
 
 	* tree-ssa.c (verify_flow_sensitive_alias_info): Don't

gcc/config.gcc

@@ -951,9 +951,13 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu)
 	esac
 	tmake_file="${tmake_file} i386/t-crtstuff"
 	;;
-x86_64-*-linux*)
+x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h \
 		 i386/x86-64.h i386/linux64.h"
+	case ${target} in
+	x86_64-*-kfreebsd*-gnu) tm_file="${tm_file} kfreebsd-gnu.h" ;;
+	x86_64-*-knetbsd*-gnu) tm_file="${tm_file} knetbsd-gnu.h" ;;
+	esac
 	tmake_file="${tmake_file} i386/t-linux64"
 	;;
 i[34567]86-*-gnu*)

gcc/config/i386/linux-unwind.h

@@ -135,28 +135,28 @@ x86_fallback_frame_state (struct _Unwind_Context *context,
   else
     return _URC_END_OF_STACK;
 
-  new_cfa = sc->esp;
+  new_cfa = sc->REG_NAME(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[0].loc.offset = (long)&sc->REG_NAME(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[3].loc.offset = (long)&sc->REG_NAME(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[1].loc.offset = (long)&sc->REG_NAME(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[2].loc.offset = (long)&sc->REG_NAME(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[6].loc.offset = (long)&sc->REG_NAME(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[7].loc.offset = (long)&sc->REG_NAME(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[5].loc.offset = (long)&sc->REG_NAME(ebp) - new_cfa;
   fs->regs.reg[8].how = REG_SAVED_OFFSET;
-  fs->regs.reg[8].loc.offset = (long)&sc->eip - new_cfa;
+  fs->regs.reg[8].loc.offset = (long)&sc->REG_NAME(eip) - new_cfa;
   fs->retaddr_column = 8;
   return _URC_NO_REASON;
 }

gcc/config/i386/linux.h

@@ -182,3 +182,6 @@ Boston, MA 02111-1307, USA.  */
 #define NEED_INDICATE_EXEC_STACK 1
 
 #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
+
+/* This macro may be overriden in i386/k*bsd-gnu.h */
+#define REG_NAME(reg) reg