Strip libgcc to only keep fallback symbols
We use libgcc as fallback for symbols not present in libclang_rt
builtins, however we didn't know what exact symbols were being used,
some may not be intended to fallback.
Create libgcc_stripped, which only contains unwind symbols from libgcc.
Bug: 29275768
Test: bionic-unit-tests
Change-Id: I5b349fa6138e51663bf3b67109b880b4356da8e8
diff --git a/cc/strip.go b/cc/strip.go
index 02397f4..7122585 100644
--- a/cc/strip.go
+++ b/cc/strip.go
@@ -15,15 +15,19 @@
package cc
import (
+ "strings"
+
"android/soong/android"
)
type StripProperties struct {
Strip struct {
- None *bool
- All *bool
- Keep_symbols *bool
- }
+ None *bool `android:"arch_variant"`
+ All *bool `android:"arch_variant"`
+ Keep_symbols *bool `android:"arch_variant"`
+ Keep_symbols_list []string `android:"arch_variant"`
+ Use_gnu_strip *bool `android:"arch_variant"`
+ } `android:"arch_variant"`
}
type stripper struct {
@@ -42,9 +46,14 @@
} else {
if Bool(stripper.StripProperties.Strip.Keep_symbols) {
flags.stripKeepSymbols = true
+ } else if len(stripper.StripProperties.Strip.Keep_symbols_list) > 0 {
+ flags.stripKeepSymbolsList = strings.Join(stripper.StripProperties.Strip.Keep_symbols_list, ",")
} else if !Bool(stripper.StripProperties.Strip.All) {
flags.stripKeepMiniDebugInfo = true
}
+ if Bool(stripper.StripProperties.Strip.Use_gnu_strip) {
+ flags.stripUseGnuStrip = true
+ }
if ctx.Config().Debuggable() && !flags.stripKeepMiniDebugInfo {
flags.stripAddGnuDebuglink = true
}