Define an END() macro for use in i386 and amd64 assembly code, akin

to the one available on the ia64, sparc64, and sun4v architectures.

Approved by:	re (kensmith)

4 files changed, 7 insertions, 0 deletions

diff --git a/sys/amd64/include/asm.h b/sys/amd64/include/asm.h
index e1f2e4b..7efd642 100644
--- a/sys/amd64/include/asm.h
+++ b/sys/amd64/include/asm.h
@@ -77,6 +77,8 @@
 #define	ENTRY(x)	_ENTRY(x)
 #endif
 
+#define	END(x)		.size x, . - x
+
 #define RCSID(x)	.text; .asciz x
 
 #undef __FBSDID
diff --git a/sys/amd64/include/asmacros.h b/sys/amd64/include/asmacros.h
index 84b1d60..788f39f 100644
--- a/sys/amd64/include/asmacros.h
+++ b/sys/amd64/include/asmacros.h
@@ -57,6 +57,8 @@
 #define NON_GPROF_ENTRY(name)	GEN_ENTRY(name)
 #define NON_GPROF_RET		.byte 0xc3	/* opcode for `ret' */
 
+#define	END(name)		.size name, . - name
+
 #ifdef GPROF
 /*
  * __mcount is like [.]mcount except that doesn't require its caller to set
diff --git a/sys/i386/include/asm.h b/sys/i386/include/asm.h
index 64117d0..3148bb7 100644
--- a/sys/i386/include/asm.h
+++ b/sys/i386/include/asm.h
@@ -71,6 +71,7 @@
 
 #define _ENTRY(x)	_START_ENTRY; \
 			.globl CNAME(x); .type CNAME(x),@function; CNAME(x):
+#define	END(x)		.size x, . - x
 
 #ifdef PROF
 #define	ALTENTRY(x)	_ENTRY(x); \
diff --git a/sys/i386/include/asmacros.h b/sys/i386/include/asmacros.h
index 2ea368d..fbc93b7 100644
--- a/sys/i386/include/asmacros.h
+++ b/sys/i386/include/asmacros.h
@@ -57,6 +57,8 @@
 #define NON_GPROF_ENTRY(name)	GEN_ENTRY(name)
 #define NON_GPROF_RET		.byte 0xc3	/* opcode for `ret' */
 
+#define	END(name)		.size name, . - name
+
 #ifdef GPROF
 /*
  * __mcount is like [.]mcount except that doesn't require its caller to set