It looks like where x86 assembly is using '@' character,
ARM assembly requires '%' character. This makes a problem in the patch
814edf44433801e37318ce79082ac6991dbc87dd 'Force re-linking if
the options have changed (#4451)' which makes linking assembly
file uncompilable on ARM. This patch fixes this.
---
compiler/main/DriverPipeline.hs | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index afbd03e..b02cd39 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -1440,7 +1440,10 @@ mkExtraObjToLinkIntoBinary dflags dep_packages = do
| isWindowsTarget = empty
| otherwise = hcat [
text "__asm__(\"\\t.section ", text ghcLinkInfoSectionName,
- text ",\\\"\\\",@note\\n",
+ text ",\\\"\\\",",
+ text elfSectionNote,
+ text "\\n",
+
text "\\t.ascii \\\"", info', text "\\\"\\n\");" ]
where
-- we need to escape twice: once because we're inside a C string,
@@ -1449,6 +1452,11 @@ mkExtraObjToLinkIntoBinary dflags dep_packages = do
escape :: String -> String
escape = concatMap (charToC.fromIntegral.ord)
+#ifdef arm_TARGET_ARCH
+ elfSectionNote = "%note"
+#else
+ elfSectionNote = "@note"
+#endif
-- The "link info" is a string representing the parameters of the
-- link. We save this information in the binary, and the next time we
--
1.7.4.3
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