--- /dev/null
+# REQUIRES: zlib
+
+# RUN: yaml2obj %s -o %t1.o
+# RUN: llvm-objcopy --compress-debug-sections %t1.o %t2.o
+# RUN: llvm-readobj -s %t2.o | FileCheck %s
+
+# Non-.zdebug* sections whose data does start with "ZLIB" should
+# not be considered as zlib-gnu compressed sections.
+
+# In this test we have 2 normal sections, one of them starts with "ZLIB",
+# another starts with "ZZZZ". Check we compress both as expected.
+
+# CHECK: Name: .debug_foo
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# CHECK-NEXT: SHF_COMPRESSED
+# CHECK-NEXT: ]
+
+# CHECK: Name: .debug_bar
+# CHECK-NEXT: Type: SHT_PROGBITS
+# CHECK-NEXT: Flags [
+# CHECK-NEXT: SHF_COMPRESSED
+# CHECK-NEXT: ]
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+ - Name: .debug_foo
+ Type: SHT_PROGBITS
+ AddressAlign: 0x0000000000000001
+ # "ZLIB"
+ Content: 5A4C49420000000000000000
+ - Name: .debug_bar
+ Type: SHT_PROGBITS
+ AddressAlign: 0x0000000000000001
+ # "ZZZZ"
+ Content: 5A5A5A5A0000000000000000
return createStringError(object_error::parse_failed, "Section not found");
}
-static bool isCompressed(const SectionBase &Section) {
- const char *Magic = "ZLIB";
- return StringRef(Section.Name).startswith(".zdebug") ||
- (Section.OriginalData.size() > strlen(Magic) &&
- !strncmp(reinterpret_cast<const char *>(Section.OriginalData.data()),
- Magic, strlen(Magic))) ||
- (Section.Flags & ELF::SHF_COMPRESSED);
-}
-
static bool isCompressable(const SectionBase &Section) {
- return !isCompressed(Section) && isDebugSection(Section) &&
- Section.Name != ".gdb_index";
+ return !(Section.Flags & ELF::SHF_COMPRESSED) &&
+ StringRef(Section.Name).startswith(".debug");
}
static void replaceDebugSections(