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authorNick Clifton <nickc@redhat.com>2017-03-01 11:09:46 +0000
committerNick Clifton <nickc@redhat.com>2017-03-01 11:09:46 +0000
commit9ef920e933bf2ea228c909cf81636e6d9577e51e (patch)
treec6118c4b931f1d68528ca12ec38e31af6e3b1d46 /include
parenta7e8b06b8901309632fad842ffd7d90a81447c80 (diff)
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Add support for displaying and merging GNU_BUILD_NOTEs.
include * elf/common.h (SHF_GNU_BUILD_NOTE): Define. (NT_GNU_PROPERTY_TYPE_0): Define. (NT_GNU_BUILD_ATTRIBUTE_OPEN): Define. (NT_GNU_BUILD_ATTRIBUTE_FUN): Define. (GNU_BUILD_ATTRIBUTE_TYPE_NUMERIC): Define. (GNU_BUILD_ATTRIBUTE_TYPE_STRING): Define. (GNU_BUILD_ATTRIBUTE_TYPE_BOOL_TRUE): Define. (GNU_BUILD_ATTRIBUTE_TYPE_BOOL_FALSE): Define. (GNU_BUILD_ATTRIBUTE_VERSION): Define. (GNU_BUILD_ATTRIBUTE_STACK_PROT): Define. (GNU_BUILD_ATTRIBUTE_RELRO): Define. (GNU_BUILD_ATTRIBUTE_STACK_SIZE): Define. (GNU_BUILD_ATTRIBUTE_TOOL): Define. (GNU_BUILD_ATTRIBUTE_ABI): Define. (GNU_BUILD_ATTRIBUTE_PIC): Define. (NOTE_GNU_PROPERTY_SECTION_NAME): Define. (GNU_BUILD_ATTRS_SECTION_NAME): Define. (GNU_PROPERTY_STACK_SIZE): Define. (GNU_PROPERTY_NO_COPY_ON_PROTECTED): Define. (GNU_PROPERTY_X86_ISA_1_USED): Define. (GNU_PROPERTY_X86_ISA_1_NEEDED): Define. (GNU_PROPERTY_X86_ISA_1_486): Define. (GNU_PROPERTY_X86_ISA_1_586): Define. (GNU_PROPERTY_X86_ISA_1_686): Define. (GNU_PROPERTY_X86_ISA_1_SSE): Define. (GNU_PROPERTY_X86_ISA_1_SSE2): Define. (GNU_PROPERTY_X86_ISA_1_SSE3): Define. (GNU_PROPERTY_X86_ISA_1_SSSE3): Define. (GNU_PROPERTY_X86_ISA_1_SSE4_1): Define. (GNU_PROPERTY_X86_ISA_1_SSE4_2): Define. (GNU_PROPERTY_X86_ISA_1_AVX): Define. (GNU_PROPERTY_X86_ISA_1_AVX2): Define. (GNU_PROPERTY_X86_ISA_1_AVX512F): Define. (GNU_PROPERTY_X86_ISA_1_AVX512CD): Define. (GNU_PROPERTY_X86_ISA_1_AVX512ER): Define. (GNU_PROPERTY_X86_ISA_1_AVX512PF): Define. (GNU_PROPERTY_X86_ISA_1_AVX512VL): Define. (GNU_PROPERTY_X86_ISA_1_AVX512DQ): Define. (GNU_PROPERTY_X86_ISA_1_AVX512BW): Define. binutils* readelf.c (get_note_type): Add support for GNU_BUILD_NOTEs. (get_gnu_elf_note_type): Add support for GNU_PROPERTY_NOTEs. (decode_x86_isa): New function. (print_gnu_property_note): New function. (print_gnu_note): Handle GNU_PROPERTY_NOTEs. (print_gnu_build_attribute_description): New function. (print_gnu_build_attribute_name): New function. (process_note): Add support for GNU_BUILD_NOTEs. * objcopy.c (--merge-notes): New command line option. (copy_options): Add merge-notes. (copy_usage): Likewise. (is_merge_note_section): New function. (merge_gnu_build_notes): New function. (copy_object): Merge note sections if asked to do so. (skip_section): Add skip_copy parameter. Add support for skipping merged note sections. (copy_relocations_in_section): Update call to skip_section. (copy_section): Likewise. (copy_main): Add support for merge-notes option. * doc/binutils.texi: Document the new option to objcopy. * NEWS: Mention the new feature. * testsuite/binutils-all/note-2-32.d: New test. Checks note merging on 32-bit targets. * testsuite/binutils-all/note-2-32.s: New test source file. * testsuite/binutils-all/note-2-64.d: New test. Like note-2-32.d but for 64-bit targets. * testsuite/binutils-all/note-2-64.s: New test source file. * testsuite/binutils-all/objcopy.exp: Run the new test.
Diffstat (limited to 'include')
-rw-r--r--include/ChangeLog42
-rw-r--r--include/elf/common.h46
2 files changed, 88 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index 17e1752..904c20a 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,45 @@
+2017-03-01 Nick Clifton <nickc@redhat.com>
+
+ * elf/common.h (SHF_GNU_BUILD_NOTE): Define.
+ (NT_GNU_PROPERTY_TYPE_0): Define.
+ (NT_GNU_BUILD_ATTRIBUTE_OPEN): Define.
+ (NT_GNU_BUILD_ATTRIBUTE_FUN): Define.
+ (GNU_BUILD_ATTRIBUTE_TYPE_NUMERIC): Define.
+ (GNU_BUILD_ATTRIBUTE_TYPE_STRING): Define.
+ (GNU_BUILD_ATTRIBUTE_TYPE_BOOL_TRUE): Define.
+ (GNU_BUILD_ATTRIBUTE_TYPE_BOOL_FALSE): Define.
+ (GNU_BUILD_ATTRIBUTE_VERSION): Define.
+ (GNU_BUILD_ATTRIBUTE_STACK_PROT): Define.
+ (GNU_BUILD_ATTRIBUTE_RELRO): Define.
+ (GNU_BUILD_ATTRIBUTE_STACK_SIZE): Define.
+ (GNU_BUILD_ATTRIBUTE_TOOL): Define.
+ (GNU_BUILD_ATTRIBUTE_ABI): Define.
+ (GNU_BUILD_ATTRIBUTE_PIC): Define.
+ (NOTE_GNU_PROPERTY_SECTION_NAME): Define.
+ (GNU_BUILD_ATTRS_SECTION_NAME): Define.
+ (GNU_PROPERTY_STACK_SIZE): Define.
+ (GNU_PROPERTY_NO_COPY_ON_PROTECTED): Define.
+ (GNU_PROPERTY_X86_ISA_1_USED): Define.
+ (GNU_PROPERTY_X86_ISA_1_NEEDED): Define.
+ (GNU_PROPERTY_X86_ISA_1_486): Define.
+ (GNU_PROPERTY_X86_ISA_1_586): Define.
+ (GNU_PROPERTY_X86_ISA_1_686): Define.
+ (GNU_PROPERTY_X86_ISA_1_SSE): Define.
+ (GNU_PROPERTY_X86_ISA_1_SSE2): Define.
+ (GNU_PROPERTY_X86_ISA_1_SSE3): Define.
+ (GNU_PROPERTY_X86_ISA_1_SSSE3): Define.
+ (GNU_PROPERTY_X86_ISA_1_SSE4_1): Define.
+ (GNU_PROPERTY_X86_ISA_1_SSE4_2): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX2): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512F): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512CD): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512ER): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512PF): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512VL): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512DQ): Define.
+ (GNU_PROPERTY_X86_ISA_1_AVX512BW): Define.
+
2017-02-28 Peter Bergner <bergner@vnet.ibm.com>
* dis-asm.h (disasm_options_t): New typedef.
diff --git a/include/elf/common.h b/include/elf/common.h
index 834c859..2b9bca6 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -537,6 +537,7 @@
/* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */
#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
+#define SHF_GNU_BUILD_NOTE (1 << 20) /* Section contains GNU BUILD ATTRIBUTE notes. */
#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
/* This used to be implemented as a processor specific section flag.
@@ -670,6 +671,51 @@
#define NT_GNU_HWCAP 2 /* Used by ld.so and kernel vDSO. */
#define NT_GNU_BUILD_ID 3 /* Generated by ld --build-id. */
#define NT_GNU_GOLD_VERSION 4 /* Generated by gold. */
+#define NT_GNU_PROPERTY_TYPE_0 5 /* Generated by gcc. */
+
+#define NT_GNU_BUILD_ATTRIBUTE_OPEN 0x100
+#define NT_GNU_BUILD_ATTRIBUTE_FUNC 0x101
+
+#define GNU_BUILD_ATTRIBUTE_TYPE_NUMERIC '*'
+#define GNU_BUILD_ATTRIBUTE_TYPE_STRING '$'
+#define GNU_BUILD_ATTRIBUTE_TYPE_BOOL_TRUE '+'
+#define GNU_BUILD_ATTRIBUTE_TYPE_BOOL_FALSE '!'
+
+#define GNU_BUILD_ATTRIBUTE_VERSION 1
+#define GNU_BUILD_ATTRIBUTE_STACK_PROT 2
+#define GNU_BUILD_ATTRIBUTE_RELRO 3
+#define GNU_BUILD_ATTRIBUTE_STACK_SIZE 4
+#define GNU_BUILD_ATTRIBUTE_TOOL 5
+#define GNU_BUILD_ATTRIBUTE_ABI 6
+#define GNU_BUILD_ATTRIBUTE_PIC 7
+
+#define NOTE_GNU_PROPERTY_SECTION_NAME ".note.gnu.property"
+#define GNU_BUILD_ATTRS_SECTION_NAME ".gnu.build.attributes"
+
+/* Values used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0). */
+#define GNU_PROPERTY_STACK_SIZE 1
+#define GNU_PROPERTY_NO_COPY_ON_PROTECTED 2
+#define GNU_PROPERTY_X86_ISA_1_USED 0xc0000000
+#define GNU_PROPERTY_X86_ISA_1_NEEDED 0xc0000001
+
+#define GNU_PROPERTY_X86_ISA_1_486 (1U << 0)
+#define GNU_PROPERTY_X86_ISA_1_586 (1U << 1)
+#define GNU_PROPERTY_X86_ISA_1_686 (1U << 2)
+#define GNU_PROPERTY_X86_ISA_1_SSE (1U << 3)
+#define GNU_PROPERTY_X86_ISA_1_SSE2 (1U << 4)
+#define GNU_PROPERTY_X86_ISA_1_SSE3 (1U << 5)
+#define GNU_PROPERTY_X86_ISA_1_SSSE3 (1U << 6)
+#define GNU_PROPERTY_X86_ISA_1_SSE4_1 (1U << 7)
+#define GNU_PROPERTY_X86_ISA_1_SSE4_2 (1U << 8)
+#define GNU_PROPERTY_X86_ISA_1_AVX (1U << 9)
+#define GNU_PROPERTY_X86_ISA_1_AVX2 (1U << 10)
+#define GNU_PROPERTY_X86_ISA_1_AVX512F (1U << 11)
+#define GNU_PROPERTY_X86_ISA_1_AVX512CD (1U << 12)
+#define GNU_PROPERTY_X86_ISA_1_AVX512ER (1U << 13)
+#define GNU_PROPERTY_X86_ISA_1_AVX512PF (1U << 14)
+#define GNU_PROPERTY_X86_ISA_1_AVX512VL (1U << 15)
+#define GNU_PROPERTY_X86_ISA_1_AVX512DQ (1U << 16)
+#define GNU_PROPERTY_X86_ISA_1_AVX512BW (1U << 17)
/* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG). */
#define GNU_ABI_TAG_LINUX 0