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Make libc_scudo always go first.

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In addition, add Shared_libs to malloc_not_svelte.

Bug: 123689570

Test: Verified that libc_scudo is first wherever it is added.
Change-Id: Ibdc5dbd019a382630a727c270f846aa4446f8d99
Merged-In: Ibdc5dbd019a382630a727c270f846aa4446f8d99
This commit is contained in:
Christopher Ferris
2019-04-01 16:30:21 -07:00
parent b007b2bde5
commit 134f8f6f00
2 changed files with 13 additions and 1 deletions
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1
android/variable.go
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@@ -44,6 +44,7 @@ type variableProperties struct {
Malloc_not_svelte struct {
Cflags []string `android:"arch_variant"`
Shared_libs []string `android:"arch_variant"`
} `android:"arch_variant"`
Safestack struct {

11
cc/linker.go
View File

@@ -255,6 +255,17 @@ func (linker *baseLinker) linkerDeps(ctx DepsContext, deps Deps) Deps {
}
}
if inList("libc_scudo", deps.SharedLibs) {
// libc_scudo is an alternate implementation of all
// allocation functions (malloc, free), that uses
// the scudo allocator instead of the default native
// allocator. If this library is in the list, make
// sure it's first so it properly overrides the
// allocation functions of all other shared libraries.
_, deps.SharedLibs = removeFromList("libc_scudo", deps.SharedLibs)
deps.SharedLibs = append([]string{"libc_scudo"}, deps.SharedLibs...)
}
// If libc and libdl are both in system_shared_libs make sure libdl comes after libc
// to avoid loading libdl before libc.
if inList("libdl", systemSharedLibs) && inList("libc", systemSharedLibs) &&