[libc] Split rmsetjmp() and rmlongjmp() into a separate rmsetjmp.h

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/arch/i386/include/comboot.h

 FILE_LICENCE ( GPL2_OR_LATER );
 
 #include <stdint.h>
-#include <setjmp.h>
+#include <rmsetjmp.h>
 #include <ipxe/in.h>
 
 /** Segment used for COMBOOT PSP and image */

src/arch/i386/include/pxe_call.h

 
 #include <pxe_api.h>
 #include <realmode.h>
-#include <setjmp.h>
+#include <rmsetjmp.h>
 
 struct net_device;
 

src/arch/i386/include/rmsetjmp.h

+#ifndef _RMSETJMP_H
+#define _RMSETJMP_H
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <setjmp.h>
+#include <realmode.h>
+
+/** A real-mode-extended jump buffer */
+typedef struct {
+	/** Jump buffer */
+	jmp_buf env;
+	/** Real-mode stack pointer */
+	segoff_t rm_stack;
+} rmjmp_buf[1];
+
+#define rmsetjmp( _env ) ( {					\
+	(_env)->rm_stack.segment = rm_ss;			\
+	(_env)->rm_stack.offset = rm_sp;			\
+	setjmp ( (_env)->env ); } )				\
+
+#define rmlongjmp( _env, _val ) do {				\
+	rm_ss = (_env)->rm_stack.segment;			\
+	rm_sp = (_env)->rm_stack.offset;			\
+	longjmp ( (_env)->env, (_val) );			\
+	} while ( 0 )
+
+#endif /* _RMSETJMP_H */

src/arch/i386/include/setjmp.h

 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 #include <stdint.h>
-#include <realmode.h>
 
 /** A jump buffer */
 typedef struct {
 	uint32_t ebp;
 } jmp_buf[1];
 
-/** A real-mode-extended jump buffer */
-typedef struct {
-	/** Jump buffer */
-	jmp_buf env;
-	/** Real-mode stack pointer */
-	segoff_t rm_stack;
-} rmjmp_buf[1];
-
 extern int __asmcall __attribute__ (( returns_twice ))
 setjmp ( jmp_buf env );
 
 extern void __asmcall __attribute__ (( noreturn ))
 longjmp ( jmp_buf env, int val );
 
-#define rmsetjmp( _env ) ( {					\
-	(_env)->rm_stack.segment = rm_ss;			\
-	(_env)->rm_stack.offset = rm_sp;			\
-	setjmp ( (_env)->env ); } )				\
-
-#define rmlongjmp( _env, _val ) do {				\
-	rm_ss = (_env)->rm_stack.segment;			\
-	rm_sp = (_env)->rm_stack.offset;			\
-	longjmp ( (_env)->env, (_val) );			\
-	} while ( 0 )
-
 #endif /* _SETJMP_H */

src/arch/i386/interface/pxe/pxe_call.c

 #include <ipxe/init.h>
 #include <ipxe/profile.h>
 #include <ipxe/netdevice.h>
-#include <setjmp.h>
+#include <rmsetjmp.h>
 #include <registers.h>
 #include <biosint.h>
 #include <pxe.h>

src/arch/i386/interface/pxe/pxe_preboot.c

 #include <stdint.h>
 #include <string.h>
 #include <stdlib.h>
-#include <setjmp.h>
 #include <ipxe/uaccess.h>
 #include <ipxe/dhcp.h>
 #include <ipxe/fakedhcp.h>
 #include <ipxe/if_ether.h>
 #include <basemem_packet.h>
 #include <biosint.h>
+#include <rmsetjmp.h>
 #include "pxe.h"
 #include "pxe_call.h"
 

src/arch/i386/interface/syslinux/comboot_call.c

 #include <comboot.h>
 #include <bzimage.h>
 #include <pxe_call.h>
-#include <setjmp.h>
+#include <rmsetjmp.h>
 #include <string.h>
 #include <ipxe/posix_io.h>
 #include <ipxe/process.h>