[PATCH] arm: emit .type %function directive in FUNC_START macro

[Christophe Lyon]

The linker needs to know whether a symbol is STT_FUNCTION when
deciding which farcall stub to emit (if needed), this patch adds this
to the FUNC_START macro which is used in crt0.
---
 libgloss/arm/crt0.S         | 2 ++
 libgloss/arm/redboot-crt0.S | 2 ++
 newlib/libc/sys/arm/crt0.S  | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S
index cd1a20d61..9ff0e6323 100644
--- a/libgloss/arm/crt0.S
+++ b/libgloss/arm/crt0.S
@@ -48,6 +48,7 @@
 	.thumb
 .macro FUNC_START name
 	.global \name
+	.type \name, %function
 	.thumb_func
 \name:
 .endm
@@ -55,6 +56,7 @@
 	.code 32
 .macro FUNC_START name
 	.global \name
+	.type \name, %function
 \name:
 .endm
 #endif
diff --git a/libgloss/arm/redboot-crt0.S b/libgloss/arm/redboot-crt0.S
index 0e3a9b4e2..c9f3440ac 100644
--- a/libgloss/arm/redboot-crt0.S
+++ b/libgloss/arm/redboot-crt0.S
@@ -17,6 +17,7 @@
 #ifdef PREFER_THUMB
 .macro FUNC_START name
 	.global \name
+	.type \name, %function
 	.thumb_func
 \name:
 .endm
@@ -24,6 +25,7 @@
 #else
 .macro FUNC_START name
 	.global \name
+	.type \name, %function
 \name:
 .endm
 	.code 32
diff --git a/newlib/libc/sys/arm/crt0.S b/newlib/libc/sys/arm/crt0.S
index 90d5be393..dae0f0465 100644
--- a/newlib/libc/sys/arm/crt0.S
+++ b/newlib/libc/sys/arm/crt0.S
@@ -48,6 +48,7 @@
 	.thumb
 .macro FUNC_START name
 	.global \name
+	.type \name, %function
 	.thumb_func
 \name:
 .endm
@@ -55,6 +56,7 @@
 	.code 32
 .macro FUNC_START name
 	.global \name
+	.type \name, %function
 \name:
 .endm
 #endif
-- 
2.34.1