Commit dcae2e32 authored by Martin Storsjö's avatar Martin Storsjö

arm: Suppress tags about used cpu arch and extensions

When all the codepaths using manually set .arch/.fpu code is
behind runtime detection, the elf attributes should be suppressed.

This allows tools to know that the final built binary doesn't
strictly require these extensions.
Signed-off-by: 's avatarMartin Storsjö <martin@martin.st>
parent cecf45b2
...@@ -1494,6 +1494,7 @@ SYSTEM_FUNCS=" ...@@ -1494,6 +1494,7 @@ SYSTEM_FUNCS="
TOOLCHAIN_FEATURES=" TOOLCHAIN_FEATURES="
as_dn_directive as_dn_directive
as_func as_func
as_object_arch
asm_mod_q asm_mod_q
attribute_may_alias attribute_may_alias
attribute_packed attribute_packed
...@@ -3868,6 +3869,11 @@ if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then ...@@ -3868,6 +3869,11 @@ if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
check_as <<EOF && enable as_func check_as <<EOF && enable as_func
.func test .func test
.endfunc .endfunc
EOF
# llvm's integrated assembler supports .object_arch from llvm 3.5
enabled arm && test "$objformat" = elf && check_as <<EOF && enable as_object_arch
.object_arch armv4
EOF EOF
fi fi
......
...@@ -49,11 +49,17 @@ ...@@ -49,11 +49,17 @@
#elif HAVE_ARMV5TE #elif HAVE_ARMV5TE
.arch armv5te .arch armv5te
#endif #endif
#if HAVE_AS_OBJECT_ARCH
ELF .object_arch armv4
#endif
#if HAVE_NEON #if HAVE_NEON
.fpu neon .fpu neon
ELF .eabi_attribute 10, 0 @ suppress Tag_FP_arch
ELF .eabi_attribute 12, 0 @ suppress Tag_Advanced_SIMD_arch
#elif HAVE_VFP #elif HAVE_VFP
.fpu vfp .fpu vfp
ELF .eabi_attribute 10, 0 @ suppress Tag_FP_arch
#endif #endif
.syntax unified .syntax unified
......
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