2006-11-29 Paul Brook <paul@codesourcery.com>

	gas/
	* config/tc-arm.c (arm_is_eabi): New function.
	* config/tc-arm.h (arm_is_eabi): New prototype.
	(THUMB_IS_FUNC): Use ELF function type for EABI objects.
	* doc/c-arm.texi (.thumb_func): Update documentation.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index e21af06..d8066c4 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,12 @@
 2006-11-29  Paul Brook  <paul@codesourcery.com>
 
+       * config/tc-arm.c (arm_is_eabi): New function.
+       * config/tc-arm.h (arm_is_eabi): New prototype.
+       (THUMB_IS_FUNC): Use ELF function type for EABI objects.
+       * doc/c-arm.texi (.thumb_func): Update documentation.
+
+2006-11-29  Paul Brook  <paul@codesourcery.com>
+
        * config/tc-arm.c (do_vfp_sp_const, do_vfp_dp_const): Fix operans
        encoding.
 

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 7f3751d..8ea3ad1 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -232,6 +232,12 @@ static int meabi_flags = EABI_DEFAULT;
 # else
 static int meabi_flags = EF_ARM_EABI_UNKNOWN;
 # endif
+
+bfd_boolean
+arm_is_eabi(void)
+{
+  return (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4);
+}
 #endif
 
 #ifdef OBJ_ELF

diff --git a/gas/config/tc-arm.h b/gas/config/tc-arm.h
index 56ceec4..591d496 100644 (file)
--- a/gas/config/tc-arm.h
+++ b/gas/config/tc-arm.h
@@ -100,6 +100,7 @@ extern int arm_optimize_expr (expressionS *, operatorT, expressionS *);
 #ifdef OBJ_ELF
 #define md_end arm_md_end
 extern void arm_md_end (void);
+bfd_boolean arm_is_eabi (void);
 #endif
 
 /* NOTE: The fake label creation in stabs.c:s_stab_generic() has
@@ -122,7 +123,19 @@ extern void arm_md_end (void);
 
 #define ARM_IS_THUMB(s)                (ARM_GET_FLAG (s) & ARM_FLAG_THUMB)
 #define ARM_IS_INTERWORK(s)    (ARM_GET_FLAG (s) & ARM_FLAG_INTERWORK)
+#ifdef OBJ_ELF
+
+/* For ELF objects THUMB_IS_FUNC is inferred from
+   ARM_IS_TUMB and the function type.  */
+#define THUMB_IS_FUNC(s) \
+  ((arm_is_eabi () \
+    && (ARM_IS_THUMB (s)) \
+    && (symbol_get_bfdsym (s)->flags & BSF_FUNCTION)) \
+   || (ARM_GET_FLAG (s) & THUMB_FLAG_FUNC))
+
+#else
 #define THUMB_IS_FUNC(s)       (ARM_GET_FLAG (s) & THUMB_FLAG_FUNC)
+#endif
 
 #define ARM_SET_THUMB(s,t)      ((t) ? ARM_SET_FLAG (s, ARM_FLAG_THUMB)     : ARM_RESET_FLAG (s, ARM_FLAG_THUMB))
 #define ARM_SET_INTERWORK(s,t)  ((t) ? ARM_SET_FLAG (s, ARM_FLAG_INTERWORK) : ARM_RESET_FLAG (s, ARM_FLAG_INTERWORK))

diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index 2fea463..a3db1df 100644 (file)
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -429,6 +429,9 @@ between Arm and Thumb instructions and should be used even if
 interworking is not going to be performed.  The presence of this
 directive also implies @code{.thumb}
 
+This directive is not neccessary when generating EABI objects.  On these
+targets the encoding is implicit when generating Thumb code.
+
 @cindex @code{thumb_set} directive, ARM
 @item .thumb_set
 This performs the equivalent of a @code{.set} directive in that it