tools: add support for decoding ARM attributes
Enhance the ARM specific parsing support in llvm-readobj to support attributes.
This allows for simpler tests to validate encoding of the build attributes as
specified in the ARM ELF specification.
llvm-svn: 200450
diff --git a/llvm/test/tools/llvm-readobj/ARM/attributes.s b/llvm/test/tools/llvm-readobj/ARM/attributes.s
new file mode 100644
index 0000000..594bab8
--- /dev/null
+++ b/llvm/test/tools/llvm-readobj/ARM/attributes.s
@@ -0,0 +1,287 @@
+@ RUN: llvm-mc -triple armv7-eabi -filetype obj -o - %s \
+@ RUN: | llvm-readobj -arm-attributes - | FileCheck %s
+
+ .syntax unified
+
+ .cpu cortex-a8
+ .fpu neon
+
+ .eabi_attribute Tag_CPU_raw_name, "Cortex-A9"
+ .eabi_attribute Tag_CPU_name, "cortex-a9"
+ .eabi_attribute Tag_CPU_arch, 10
+ .eabi_attribute Tag_CPU_arch_profile, 'A'
+ .eabi_attribute Tag_ARM_ISA_use, 0
+ .eabi_attribute Tag_THUMB_ISA_use, 2
+ .eabi_attribute Tag_FP_arch, 3
+ .eabi_attribute Tag_WMMX_arch, 0
+ .eabi_attribute Tag_Advanced_SIMD_arch, 1
+ .eabi_attribute Tag_PCS_config, 2
+ .eabi_attribute Tag_ABI_PCS_R9_use, 0
+ .eabi_attribute Tag_ABI_PCS_RW_data, 0
+ .eabi_attribute Tag_ABI_PCS_RO_data, 0
+ .eabi_attribute Tag_ABI_PCS_GOT_use, 0
+ .eabi_attribute Tag_ABI_PCS_wchar_t, 4
+ .eabi_attribute Tag_ABI_FP_rounding, 1
+ .eabi_attribute Tag_ABI_FP_denormal, 2
+ .eabi_attribute Tag_ABI_FP_exceptions, 1
+ .eabi_attribute Tag_ABI_FP_user_exceptions, 1
+ .eabi_attribute Tag_ABI_FP_number_model, 3
+ .eabi_attribute Tag_ABI_align_needed, 1
+ .eabi_attribute Tag_ABI_align_preserved, 2
+ .eabi_attribute Tag_ABI_enum_size, 3
+ .eabi_attribute Tag_ABI_HardFP_use, 0
+ .eabi_attribute Tag_ABI_VFP_args, 1
+ .eabi_attribute Tag_ABI_WMMX_args, 0
+ .eabi_attribute Tag_ABI_optimization_goals, 2
+ .eabi_attribute Tag_ABI_FP_optimization_goals, 2
+ .eabi_attribute Tag_compatibility, 1
+ .eabi_attribute Tag_compatibility, 1, "aeabi"
+ .eabi_attribute Tag_CPU_unaligned_access, 0
+ .eabi_attribute Tag_FP_HP_extension, 0
+ .eabi_attribute Tag_ABI_FP_16bit_format, 0
+ .eabi_attribute Tag_MPextension_use, 0
+ .eabi_attribute Tag_DIV_use, 0
+ .eabi_attribute Tag_nodefaults, 0
+ .eabi_attribute Tag_also_compatible_with, "gnu"
+ .eabi_attribute Tag_T2EE_use, 0
+ .eabi_attribute Tag_conformance, "2.09"
+ .eabi_attribute Tag_Virtualization_use, 0
+
+@ CHECK: BuildAttributes {
+@ CHECK: Section 1 {
+@ CHECK: Tag: Tag_File (0x1)
+@ CHECK: FileAttributes {
+@ CHECK: Attribute {
+@ CHECK: Tag: 4
+@ CHECK: TagName: CPU_raw_name
+@ CHECK: Value: CORTEX-A9
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 5
+@ CHECK: TagName: CPU_name
+@ CHECK: Value: CORTEX-A9
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 6
+@ CHECK: Value: 10
+@ CHECK: TagName: CPU_arch
+@ CHECK: Description: ARM v7
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 7
+@ CHECK: Value: 65
+@ CHECK: TagName: CPU_arch_profile
+@ CHECK: Description: Application
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 8
+@ CHECK: Value: 0
+@ CHECK: TagName: ARM_ISA_use
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 9
+@ CHECK: Value: 2
+@ CHECK: TagName: THUMB_ISA_use
+@ CHECK: Description: Thumb-2
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 10
+@ CHECK: Value: 3
+@ CHECK: TagName: FP_arch
+@ CHECK: Description: VFPv3
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 11
+@ CHECK: Value: 0
+@ CHECK: TagName: WMMX_arch
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 12
+@ CHECK: Value: 1
+@ CHECK: TagName: Advanced_SIMD_arch
+@ CHECK: Description: NEONv1
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 13
+@ CHECK: Value: 2
+@ CHECK: TagName: PCS_config
+@ CHECK: Description: Linux Application
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 14
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_PCS_R9_use
+@ CHECK: Description: v6
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 15
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_PCS_RW_data
+@ CHECK: Description: Absolute
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 16
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_PCS_RO_data
+@ CHECK: Description: Absolute
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 17
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_PCS_GOT_use
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 18
+@ CHECK: Value: 4
+@ CHECK: TagName: ABI_PCS_wchar_t
+@ CHECK: Description: 4-byte
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 19
+@ CHECK: Value: 1
+@ CHECK: TagName: ABI_FP_rounding
+@ CHECK: Description: Runtime
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 20
+@ CHECK: Value: 2
+@ CHECK: TagName: ABI_FP_denormal
+@ CHECK: Description: Sign Only
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 21
+@ CHECK: Value: 1
+@ CHECK: TagName: ABI_FP_exceptions
+@ CHECK: Description: IEEE-754
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 22
+@ CHECK: Value: 1
+@ CHECK: TagName: ABI_FP_user_exceptions
+@ CHECK: Description: IEEE-754
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 23
+@ CHECK: Value: 3
+@ CHECK: TagName: ABI_FP_number_model
+@ CHECK: Description: IEEE-754
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 24
+@ CHECK: Value: 1
+@ CHECK: TagName: ABI_align_needed
+@ CHECK: Description: 8-byte alignment
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 25
+@ CHECK: Value: 2
+@ CHECK: TagName: ABI_align_preserved
+@ CHECK: Description: 8-byte data and code alignment
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 26
+@ CHECK: Value: 3
+@ CHECK: TagName: ABI_enum_size
+@ CHECK: Description: External Int32
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 27
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_HardFP_use
+@ CHECK: Description: Tag_FP_arch
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 28
+@ CHECK: Value: 1
+@ CHECK: TagName: ABI_VFP_args
+@ CHECK: Description: AAPCS VFP
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 29
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_WMMX_args
+@ CHECK: Description: AAPCS
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 30
+@ CHECK: Value: 2
+@ CHECK: TagName: ABI_optimization_goals
+@ CHECK: Description: Aggressive Speed
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 31
+@ CHECK: Value: 2
+@ CHECK: TagName: ABI_FP_optimization_goals
+@ CHECK: Description: Aggressive Speed
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 32
+@ CHECK: Value: 1, AEABI
+@ CHECK: TagName: compatibility
+@ CHECK: Description: AEABI Conformant
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 34
+@ CHECK: Value: 0
+@ CHECK: TagName: CPU_unaligned_access
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 36
+@ CHECK: Value: 0
+@ CHECK: TagName: FP_HP_extension
+@ CHECK: Description: If Available
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 38
+@ CHECK: Value: 0
+@ CHECK: TagName: ABI_FP_16bit_format
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 42
+@ CHECK: Value: 0
+@ CHECK: TagName: MPextension_use
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 44
+@ CHECK: Value: 0
+@ CHECK: TagName: DIV_use
+@ CHECK: Description: If Available
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 64
+@ CHECK: Value: 0
+@ CHECK: TagName: nodefaults
+@ CHECK: Description: Unspecified Tags UNDEFINED
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 65
+@ CHECK: TagName: also_compatible_with
+@ CHECK: Value: GNU
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 66
+@ CHECK: Value: 0
+@ CHECK: TagName: T2EE_use
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 67
+@ CHECK: TagName: conformance
+@ CHECK: Value: 2.09
+@ CHECK: }
+@ CHECK: Attribute {
+@ CHECK: Tag: 68
+@ CHECK: Value: 0
+@ CHECK: TagName: Virtualization_use
+@ CHECK: Description: Not Permitted
+@ CHECK: }
+@ CHECK: }
+@ CHECK: }
+@ CHECK: }
+