Separate out Cross DSO flag for Bazel
See the other CL in this topic for a description of why.
Bug: 261733820
Test: Unit Tests
Change-Id: I045c2f883258c3f5db9790300d89a7be04d56012
diff --git a/cc/sanitize.go b/cc/sanitize.go
index f19659c..c478e58 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -64,12 +64,13 @@
cfiBlocklistPath = "external/compiler-rt/lib/cfi"
cfiBlocklistFilename = "cfi_blocklist.txt"
- cfiCflags = []string{"-flto", "-fsanitize-cfi-cross-dso",
+ cfiCrossDsoFlag = "-fsanitize-cfi-cross-dso"
+ cfiCflags = []string{"-flto", cfiCrossDsoFlag,
"-fsanitize-ignorelist=" + cfiBlocklistPath + "/" + cfiBlocklistFilename}
// -flto and -fvisibility are required by clang when -fsanitize=cfi is
// used, but have no effect on assembly files
cfiAsflags = []string{"-flto", "-fvisibility=default"}
- cfiLdflags = []string{"-flto", "-fsanitize-cfi-cross-dso", "-fsanitize=cfi",
+ cfiLdflags = []string{"-flto", cfiCrossDsoFlag, "-fsanitize=cfi",
"-Wl,-plugin-opt,O1"}
cfiExportsMapPath = "build/soong/cc/config"
cfiExportsMapFilename = "cfi_exports.map"
@@ -393,11 +394,13 @@
exportedVars.ExportStringList("DeviceOnlySanitizeFlags", deviceOnlySanitizeFlags)
// Leave out "-flto" from the slices exported to bazel, as we will use the
- // dedicated LTO feature for this
- exportedVars.ExportStringList("CfiCFlags", cfiCflags[1:])
+ // dedicated LTO feature for this. For C Flags and Linker Flags, also leave
+ // out the cross DSO flag which will be added separately by transitions.
+ exportedVars.ExportStringList("CfiCFlags", cfiCflags[2:])
+ exportedVars.ExportStringList("CfiLdFlags", cfiLdflags[2:])
exportedVars.ExportStringList("CfiAsFlags", cfiAsflags[1:])
- exportedVars.ExportStringList("CfiLdFlags", cfiLdflags[1:])
+ exportedVars.ExportString("CfiCrossDsoFlag", cfiCrossDsoFlag)
exportedVars.ExportString("CfiBlocklistPath", cfiBlocklistPath)
exportedVars.ExportString("CfiBlocklistFilename", cfiBlocklistFilename)
exportedVars.ExportString("CfiExportsMapPath", cfiExportsMapPath)