[oe-commits] [openembedded-core] 01/02: gcc-sanitizers: don't use thumb for armv[45]

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit dde687846c6fe592ac5e7a35ee820dab97f08c4d
Author: Martin Jansa <martin.jansa at gmail.com>
AuthorDate: Wed May 30 11:28:29 2018 +0000

    gcc-sanitizers: don't use thumb for armv[45]
    
    * otherwise it fails with:
      sanitizer_linux.s:5749: Error: lo register required -- `ldr ip,[sp],#8'
    
    @ 1538 "../../../../../../../../../work-shared/gcc-8.1.0-r0/gcc-8.1.0/libsanitizer/sanitizer_common/sanitizer_linux.cc" 1
            swi 0x0
    cmp r0, #0
    bne 1f
    ldr r0, [sp, #4]
    ldr ip, [sp], #8
    blx ip
    mov r7, #1
    swi 0x0
    1:
    mov r0, r0
    
    Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-devtools/gcc/gcc-sanitizers_8.1.bb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/meta/recipes-devtools/gcc/gcc-sanitizers_8.1.bb b/meta/recipes-devtools/gcc/gcc-sanitizers_8.1.bb
index 601f666..f3c7058 100644
--- a/meta/recipes-devtools/gcc/gcc-sanitizers_8.1.bb
+++ b/meta/recipes-devtools/gcc/gcc-sanitizers_8.1.bb
@@ -1,2 +1,7 @@
 require recipes-devtools/gcc/gcc-${PV}.inc
 require gcc-sanitizers.inc
+
+# Building with thumb enabled on armv4t armv5t fails with
+# sanitizer_linux.s:5749: Error: lo register required -- `ldr ip,[sp],#8'
+ARM_INSTRUCTION_SET_armv4 = "arm"
+ARM_INSTRUCTION_SET_armv5 = "arm"

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