Author: andrew
Date: Sat Nov 29 19:31:23 2014
New Revision: 275264
URL: https://svnweb.freebsd.org/changeset/base/275264
Log:
Update _ENTRY to use _EENTRY to reduce the common code.
Modified:
head/sys/arm/include/asm.h
Modified: head/sys/arm/include/asm.h
==============================================================================
--- head/sys/arm/include/asm.h Sat Nov 29 19:27:43 2014 (r275263)
+++ head/sys/arm/include/asm.h Sat Nov 29 19:31:23 2014 (r275264)
@@ -58,6 +58,18 @@
#endif
/*
+ * EENTRY()/EEND() mark "extra" entry/exit points from a function.
+ * The unwind info cannot handle the concept of a nested function, or a
function
+ * with multiple .fnstart directives, but some of our assembler code is written
+ * with multiple labels to allow entry at several points. The EENTRY() macro
+ * defines such an extra entry point without a new .fnstart, so that it's
+ * basically just a label that you can jump to. The EEND() macro does nothing
+ * at all, except document the exit point associated with the same-named entry.
+ */
+#define _EENTRY(x) .globl x; .type x,_ASM_TYPE_FUNCTION; x:
+#define _EEND(x) /* nothing */
+
+/*
* gas/arm uses @ as a single comment character and thus cannot be used here
* Instead it recognised the # instead of an @ symbols in .type directives
* We define a couple of macros so that assembly code will not be dependent
@@ -66,22 +78,10 @@
#define _ASM_TYPE_FUNCTION #function
#define _ASM_TYPE_OBJECT #object
#define GLOBAL(X) .globl x
-#define _ENTRY(x) \
- .text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x: _FNSTART
+#define _ENTRY(x) \
+ .text; _ALIGN_TEXT; _EENTRY(x) _FNSTART
#define _END(x) .size x, . - x; _FNEND
-/*
- * EENTRY()/EEND() mark "extra" entry/exit points from a function.
- * The unwind info cannot handle the concept of a nested function, or a
function
- * with multiple .fnstart directives, but some of our assembler code is written
- * with multiple labels to allow entry at several points. The EENTRY() macro
- * defines such an extra entry point without a new .fnstart, so that it's
- * basically just a label that you can jump to. The EEND() macro does nothing
- * at all, except document the exit point associated with the same-named entry.
- */
-#define _EENTRY(x) .globl x; .type x,_ASM_TYPE_FUNCTION; x:
-#define _EEND(x) /* nothing */
-
#ifdef GPROF
# define _PROF_PROLOGUE \
mov ip, lr; bl __mcount
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