Patch from George Thanos adding support for the "e1" architecture.

1 files changed, 54 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/e1/setjmp.c b/libc/sysdeps/linux/e1/setjmp.c
new file mode 100644
index 000000000..2942cb193
--- /dev/null
+++ b/libc/sysdeps/linux/e1/setjmp.c
@@ -0,0 +1,54 @@
+/*  This file is lisenced under LGPL
+ *  Copyright (C) 2002-2003,    George Thanos <george.thanos@gdt.gr>
+ *                              Yannis Mitsos <yannis.mitsos@gdt.gr>
+ */
+
+#include <setjmp.h>
+#include <stdio.h>
+#include <signal.h>
+
+int setjmp( jmp_buf state)
+{
+	asm volatile(	"mov %0, G3\n\t"           
+			"mov %1, G4\n\t" 
+			:"=l"(state->__jmpbuf->G3), 
+			 "=l"(state->__jmpbuf->G4) 
+			:/*no input*/ 
+			:"%G3", "%G4" );
+
+	asm volatile(   "setadr  %0\n\t"
+			"mov %1, L1\n\t"
+			"mov %2, L2\n\t"
+			:"=l"(state->__jmpbuf->SavedSP),
+			 "=l"(state->__jmpbuf->SavedPC),
+			 "=l"(state->__jmpbuf->SavedSR)
+			:/*no input*/);
+	return 0;
+}
+
+int sigsetjmp( sigjmp_buf state , int savesigs)
+{
+
+	if(savesigs) {
+		state->__mask_was_saved = 1;
+		/* how arg in <sigprocmask> is not significant */
+		sigprocmask(SIG_SETMASK, NULL, &state->__saved_mask);
+	} else
+		state->__mask_was_saved = 0;
+
+	asm volatile(	"mov %0, G3\n\t"           
+			"mov %1, G4\n\t" 
+			:"=l"(state->__jmpbuf->G3), 
+			 "=l"(state->__jmpbuf->G4) 
+			:/*no input*/ 
+			:"%G3", "%G4" );
+
+	asm volatile(   "setadr  %0\n\t"
+			"mov %1, L2\n\t"
+			"mov %2, L3\n\t"
+			:"=l"(state->__jmpbuf->SavedSP),
+			 "=l"(state->__jmpbuf->SavedPC),
+			 "=l"(state->__jmpbuf->SavedSR)
+			:/*no input*/);
+	return 0;
+}