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[cc/coverage] Define a macro during coverage builds 

Bug: http://b/186576313

During a coverage build, pass the __ANDROID_CLANG_COVERAGE__ macro to
native compilations.  This allows tools like dalvikvm and dex2oat, which
would otherwise call _exit(), to write profiles on coverage builds by
calling exit() instead.

Test: `m CLANG_COVERAGE=true NATIVE_COVERAGE_PATHS="art" nothing`
          and check compiler flags in out/soong/build.ninja.
Change-Id: I18315b89170abdd650e4c6c55577688348c42225
(cherry picked from commit 551b06d9e69066baf1b621b20d4b838ac2f28902)
This commit is contained in:
Pirama Arumuga Nainar 2021-04-27 15:47:43 -07:00
parent f7a62e6c73
commit dcabea581c
1 changed files with 2 additions and 1 deletions
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3
cc/coverage.go
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@ -96,7 +96,8 @@ func (cov *coverage) flags(ctx ModuleContext, flags Flags, deps PathDeps) (Flags
// flags that the module may use. // flags that the module may use.
flags.Local.CFlags = append(flags.Local.CFlags, "-Wno-frame-larger-than=", "-O0") flags.Local.CFlags = append(flags.Local.CFlags, "-Wno-frame-larger-than=", "-O0")
} else if clangCoverage { } else if clangCoverage {
flags.Local.CommonFlags = append(flags.Local.CommonFlags, profileInstrFlag, "-fcoverage-mapping", "-Wno-pass-failed") flags.Local.CommonFlags = append(flags.Local.CommonFlags, profileInstrFlag,
"-fcoverage-mapping", "-Wno-pass-failed", "-D__ANDROID_CLANG_COVERAGE__")
} }
} }