summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--CMakeLists.txt1
-rw-r--r--docs/yaml2obj.rst222
-rw-r--r--include/llvm/Support/COFF.h8
-rw-r--r--test/Object/COFF/i386.yaml83
-rw-r--r--test/Object/COFF/x86-64.yaml83
-rw-r--r--test/Object/Inputs/trivial-object-test.coff-i386bin346 -> 346 bytes
-rw-r--r--test/Object/nm-trivial-object.test8
-rw-r--r--test/Object/objdump-file-header.test3
-rw-r--r--test/Object/objdump-section-content.test5
-rw-r--r--test/Object/objdump-symbol-table.test6
-rw-r--r--utils/Makefile2
-rw-r--r--utils/yaml2obj/CMakeLists.txt5
-rw-r--r--utils/yaml2obj/Makefile20
-rw-r--r--utils/yaml2obj/yaml2obj.cpp879
14 files changed, 1311 insertions, 14 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb64db91bc..ed230aee5b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -402,6 +402,7 @@ add_subdirectory(utils/not)
add_subdirectory(utils/llvm-lit)
add_subdirectory(utils/yaml-bench)
add_subdirectory(utils/obj2yaml)
+add_subdirectory(utils/yaml2obj)
add_subdirectory(projects)
diff --git a/docs/yaml2obj.rst b/docs/yaml2obj.rst
new file mode 100644
index 0000000000..cb59162e5a
--- /dev/null
+++ b/docs/yaml2obj.rst
@@ -0,0 +1,222 @@
+.. _yaml2obj:
+
+yaml2obj
+========
+
+yaml2obj takes a YAML description of an object file and converts it to a binary
+file.
+
+ $ yaml2py input-file
+
+.. program:: yaml2py
+
+Outputs the binary to stdout.
+
+COFF Syntax
+-----------
+
+Here's a sample COFF file.
+
+.. code-block:: yaml
+
+ header:
+ Machine: IMAGE_FILE_MACHINE_I386 # (0x14C)
+
+ sections:
+ - Name: .text
+ Characteristics: [ IMAGE_SCN_CNT_CODE
+ , IMAGE_SCN_ALIGN_16BYTES
+ , IMAGE_SCN_MEM_EXECUTE
+ , IMAGE_SCN_MEM_READ
+ ] # 0x60500020
+ SectionData:
+ "\x83\xEC\x0C\xC7\x44\x24\x08\x00\x00\x00\x00\xC7\x04\x24\x00\x00\x00\x00\xE8\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x8B\x44\x24\x08\x83\xC4\x0C\xC3" # |....D$.......$...............D$.....|
+
+ symbols:
+ - Name: .text
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+ NumberOfAuxSymbols: 1
+ AuxillaryData:
+ "\x24\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00" # |$.................|
+
+ - Name: _main
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
+Here's a simplified Kwalify_ schema with an extension to allow alternate types.
+
+.. _Kwalify: http://www.kuwata-lab.com/kwalify/ruby/users-guide.html
+
+.. code-block:: yaml
+
+ type: map
+ mapping:
+ header:
+ type: map
+ mapping:
+ Machine: [ {type: str, enum:
+ [ IMAGE_FILE_MACHINE_UNKNOWN
+ , IMAGE_FILE_MACHINE_AM33
+ , IMAGE_FILE_MACHINE_AMD64
+ , IMAGE_FILE_MACHINE_ARM
+ , IMAGE_FILE_MACHINE_ARMV7
+ , IMAGE_FILE_MACHINE_EBC
+ , IMAGE_FILE_MACHINE_I386
+ , IMAGE_FILE_MACHINE_IA64
+ , IMAGE_FILE_MACHINE_M32R
+ , IMAGE_FILE_MACHINE_MIPS16
+ , IMAGE_FILE_MACHINE_MIPSFPU
+ , IMAGE_FILE_MACHINE_MIPSFPU16
+ , IMAGE_FILE_MACHINE_POWERPC
+ , IMAGE_FILE_MACHINE_POWERPCFP
+ , IMAGE_FILE_MACHINE_R4000
+ , IMAGE_FILE_MACHINE_SH3
+ , IMAGE_FILE_MACHINE_SH3DSP
+ , IMAGE_FILE_MACHINE_SH4
+ , IMAGE_FILE_MACHINE_SH5
+ , IMAGE_FILE_MACHINE_THUMB
+ , IMAGE_FILE_MACHINE_WCEMIPSV2
+ ]}
+ , {type: int}
+ ]
+ Characteristics:
+ - type: seq
+ sequence:
+ - type: str
+ enum: [ IMAGE_FILE_RELOCS_STRIPPED
+ , IMAGE_FILE_EXECUTABLE_IMAGE
+ , IMAGE_FILE_LINE_NUMS_STRIPPED
+ , IMAGE_FILE_LOCAL_SYMS_STRIPPED
+ , IMAGE_FILE_AGGRESSIVE_WS_TRIM
+ , IMAGE_FILE_LARGE_ADDRESS_AWARE
+ , IMAGE_FILE_BYTES_REVERSED_LO
+ , IMAGE_FILE_32BIT_MACHINE
+ , IMAGE_FILE_DEBUG_STRIPPED
+ , IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
+ , IMAGE_FILE_NET_RUN_FROM_SWAP
+ , IMAGE_FILE_SYSTEM
+ , IMAGE_FILE_DLL
+ , IMAGE_FILE_UP_SYSTEM_ONLY
+ , IMAGE_FILE_BYTES_REVERSED_HI
+ ]
+ - type: int
+ sections:
+ type: seq
+ sequence:
+ - type: map
+ mapping:
+ Name: {type: str}
+ Characteristics:
+ - type: seq
+ sequence:
+ - type: str
+ enum: [ IMAGE_SCN_TYPE_NO_PAD
+ , IMAGE_SCN_CNT_CODE
+ , IMAGE_SCN_CNT_INITIALIZED_DATA
+ , IMAGE_SCN_CNT_UNINITIALIZED_DATA
+ , IMAGE_SCN_LNK_OTHER
+ , IMAGE_SCN_LNK_INFO
+ , IMAGE_SCN_LNK_REMOVE
+ , IMAGE_SCN_LNK_COMDAT
+ , IMAGE_SCN_GPREL
+ , IMAGE_SCN_MEM_PURGEABLE
+ , IMAGE_SCN_MEM_16BIT
+ , IMAGE_SCN_MEM_LOCKED
+ , IMAGE_SCN_MEM_PRELOAD
+ , IMAGE_SCN_ALIGN_1BYTES
+ , IMAGE_SCN_ALIGN_2BYTES
+ , IMAGE_SCN_ALIGN_4BYTES
+ , IMAGE_SCN_ALIGN_8BYTES
+ , IMAGE_SCN_ALIGN_16BYTES
+ , IMAGE_SCN_ALIGN_32BYTES
+ , IMAGE_SCN_ALIGN_64BYTES
+ , IMAGE_SCN_ALIGN_128BYTES
+ , IMAGE_SCN_ALIGN_256BYTES
+ , IMAGE_SCN_ALIGN_512BYTES
+ , IMAGE_SCN_ALIGN_1024BYTES
+ , IMAGE_SCN_ALIGN_2048BYTES
+ , IMAGE_SCN_ALIGN_4096BYTES
+ , IMAGE_SCN_ALIGN_8192BYTES
+ , IMAGE_SCN_LNK_NRELOC_OVFL
+ , IMAGE_SCN_MEM_DISCARDABLE
+ , IMAGE_SCN_MEM_NOT_CACHED
+ , IMAGE_SCN_MEM_NOT_PAGED
+ , IMAGE_SCN_MEM_SHARED
+ , IMAGE_SCN_MEM_EXECUTE
+ , IMAGE_SCN_MEM_READ
+ , IMAGE_SCN_MEM_WRITE
+ ]
+ - type: int
+ SectionData: {type: str}
+ symbols:
+ type: seq
+ sequence:
+ - type: map
+ mapping:
+ Name: {type: str}
+ Value: {type: int}
+ SectionNumber: {type: int}
+ SimpleType: [ {type: str, enum: [ IMAGE_SYM_TYPE_NULL
+ , IMAGE_SYM_TYPE_VOID
+ , IMAGE_SYM_TYPE_CHAR
+ , IMAGE_SYM_TYPE_SHORT
+ , IMAGE_SYM_TYPE_INT
+ , IMAGE_SYM_TYPE_LONG
+ , IMAGE_SYM_TYPE_FLOAT
+ , IMAGE_SYM_TYPE_DOUBLE
+ , IMAGE_SYM_TYPE_STRUCT
+ , IMAGE_SYM_TYPE_UNION
+ , IMAGE_SYM_TYPE_ENUM
+ , IMAGE_SYM_TYPE_MOE
+ , IMAGE_SYM_TYPE_BYTE
+ , IMAGE_SYM_TYPE_WORD
+ , IMAGE_SYM_TYPE_UINT
+ , IMAGE_SYM_TYPE_DWORD
+ ]}
+ , {type: int}
+ ]
+ ComplexType: [ {type: str, enum: [ IMAGE_SYM_DTYPE_NULL
+ , IMAGE_SYM_DTYPE_POINTER
+ , IMAGE_SYM_DTYPE_FUNCTION
+ , IMAGE_SYM_DTYPE_ARRAY
+ ]}
+ , {type: int}
+ ]
+ StorageClass: [ {type: str, enum:
+ [ IMAGE_SYM_CLASS_END_OF_FUNCTION
+ , IMAGE_SYM_CLASS_NULL
+ , IMAGE_SYM_CLASS_AUTOMATIC
+ , IMAGE_SYM_CLASS_EXTERNAL
+ , IMAGE_SYM_CLASS_STATIC
+ , IMAGE_SYM_CLASS_REGISTER
+ , IMAGE_SYM_CLASS_EXTERNAL_DEF
+ , IMAGE_SYM_CLASS_LABEL
+ , IMAGE_SYM_CLASS_UNDEFINED_LABEL
+ , IMAGE_SYM_CLASS_MEMBER_OF_STRUCT
+ , IMAGE_SYM_CLASS_ARGUMENT
+ , IMAGE_SYM_CLASS_STRUCT_TAG
+ , IMAGE_SYM_CLASS_MEMBER_OF_UNION
+ , IMAGE_SYM_CLASS_UNION_TAG
+ , IMAGE_SYM_CLASS_TYPE_DEFINITION
+ , IMAGE_SYM_CLASS_UNDEFINED_STATIC
+ , IMAGE_SYM_CLASS_ENUM_TAG
+ , IMAGE_SYM_CLASS_MEMBER_OF_ENUM
+ , IMAGE_SYM_CLASS_REGISTER_PARAM
+ , IMAGE_SYM_CLASS_BIT_FIELD
+ , IMAGE_SYM_CLASS_BLOCK
+ , IMAGE_SYM_CLASS_FUNCTION
+ , IMAGE_SYM_CLASS_END_OF_STRUCT
+ , IMAGE_SYM_CLASS_FILE
+ , IMAGE_SYM_CLASS_SECTION
+ , IMAGE_SYM_CLASS_WEAK_EXTERNAL
+ , IMAGE_SYM_CLASS_CLR_TOKEN
+ ]}
+ , {type: int}
+ ]
diff --git a/include/llvm/Support/COFF.h b/include/llvm/Support/COFF.h
index b18ba2b550..6c2ee08756 100644
--- a/include/llvm/Support/COFF.h
+++ b/include/llvm/Support/COFF.h
@@ -50,6 +50,8 @@ namespace COFF {
};
enum MachineTypes {
+ MT_Invalid = -1,
+
IMAGE_FILE_MACHINE_UNKNOWN = 0x0,
IMAGE_FILE_MACHINE_AM33 = 0x13,
IMAGE_FILE_MACHINE_AMD64 = 0x8664,
@@ -74,6 +76,8 @@ namespace COFF {
};
enum Characteristics {
+ C_Invalid = 0,
+
/// The file does not contain base relocations and must be loaded at its
/// preferred base. If this cannot be done, the loader will error.
IMAGE_FILE_RELOCS_STRIPPED = 0x0001,
@@ -138,6 +142,8 @@ namespace COFF {
/// Storage class tells where and what the symbol represents
enum SymbolStorageClass {
+ SSC_Invalid = -1,
+
IMAGE_SYM_CLASS_END_OF_FUNCTION = -1, ///< Physical end of function
IMAGE_SYM_CLASS_NULL = 0, ///< No symbol
IMAGE_SYM_CLASS_AUTOMATIC = 1, ///< Stack variable
@@ -214,6 +220,8 @@ namespace COFF {
};
enum SectionCharacteristics {
+ SC_Invalid = -1,
+
IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
IMAGE_SCN_CNT_CODE = 0x00000020,
IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
diff --git a/test/Object/COFF/i386.yaml b/test/Object/COFF/i386.yaml
new file mode 100644
index 0000000000..ca902220c1
--- /dev/null
+++ b/test/Object/COFF/i386.yaml
@@ -0,0 +1,83 @@
+header: !Header
+ Machine: IMAGE_FILE_MACHINE_I386 # (0x14c)
+
+sections:
+ - !Section
+ Name: .text
+ Characteristics: [IMAGE_SCN_CNT_CODE, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, ] # 0x60500020
+ SectionData: !hex "83EC0CC744240800000000C7042400000000E800000000E8000000008B44240883C40CC3" # |....D$.......$...............D$.....|
+
+ Relocations:
+ - !Relocation
+ VirtualAddress: 0xe
+ SymbolTableIndex: 5
+ Type: IMAGE_REL_I386_DIR32
+
+ - !Relocation
+ VirtualAddress: 0x13
+ SymbolTableIndex: 6
+ Type: IMAGE_REL_I386_REL32
+
+ - !Relocation
+ VirtualAddress: 0x18
+ SymbolTableIndex: 7
+ Type: IMAGE_REL_I386_REL32
+
+ - !Section
+ Name: .data
+ Characteristics: [IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE, ] # 0xc0100040
+ SectionData: !hex "48656C6C6F20576F726C642100" # |Hello World!.|
+
+symbols:
+ - !Symbol
+ Name: .text
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+ NumberOfAuxSymbols: 1
+ AuxillaryData: !hex "240000000300000000000000010000000000" # |$.................|
+
+ - !Symbol
+ Name: .data
+ Value: 0
+ SectionNumber: 2
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+ NumberOfAuxSymbols: 1
+ AuxillaryData: !hex "0D0000000000000000000000020000000000" # |..................|
+
+ - !Symbol
+ Name: _main
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_FUNCTION # (2)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
+ - !Symbol
+ Name: L_.str
+ Value: 0
+ SectionNumber: 2
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+
+ - !Symbol
+ Name: _puts
+ Value: 0
+ SectionNumber: 0
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
+ - !Symbol
+ Name: _SomeOtherFunction
+ Value: 0
+ SectionNumber: 0
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
diff --git a/test/Object/COFF/x86-64.yaml b/test/Object/COFF/x86-64.yaml
new file mode 100644
index 0000000000..0b1265f6f5
--- /dev/null
+++ b/test/Object/COFF/x86-64.yaml
@@ -0,0 +1,83 @@
+header: !Header
+ Machine: IMAGE_FILE_MACHINE_AMD64 # (0x8664)
+
+sections:
+ - !Section
+ Name: .text
+ Characteristics: [IMAGE_SCN_CNT_CODE, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, ] # 0x60500020
+ SectionData: !hex "4883EC28C744242400000000488D0D00000000E800000000E8000000008B4424244883C428C3" # |H..(.D$$....H.................D$$H..(.|
+
+ Relocations:
+ - !Relocation
+ VirtualAddress: 0xf
+ SymbolTableIndex: 5
+ Type: IMAGE_REL_AMD64_REL32
+
+ - !Relocation
+ VirtualAddress: 0x14
+ SymbolTableIndex: 6
+ Type: IMAGE_REL_AMD64_REL32
+
+ - !Relocation
+ VirtualAddress: 0x19
+ SymbolTableIndex: 7
+ Type: IMAGE_REL_AMD64_REL32
+
+ - !Section
+ Name: .data
+ Characteristics: [IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE, ] # 0xc0100040
+ SectionData: !hex "48656C6C6F20576F726C642100" # |Hello World!.|
+
+symbols:
+ - !Symbol
+ Name: .text
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+ NumberOfAuxSymbols: 1
+ AuxillaryData: !hex "260000000300000000000000010000000000" # |&.................|
+
+ - !Symbol
+ Name: .data
+ Value: 0
+ SectionNumber: 2
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+ NumberOfAuxSymbols: 1
+ AuxillaryData: !hex "0D0000000000000000000000020000000000" # |..................|
+
+ - !Symbol
+ Name: main
+ Value: 0
+ SectionNumber: 1
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_FUNCTION # (2)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
+ - !Symbol
+ Name: L.str
+ Value: 0
+ SectionNumber: 2
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_STATIC # (3)
+
+ - !Symbol
+ Name: puts
+ Value: 0
+ SectionNumber: 0
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
+ - !Symbol
+ Name: SomeOtherFunction
+ Value: 0
+ SectionNumber: 0
+ SimpleType: IMAGE_SYM_TYPE_NULL # (0)
+ ComplexType: IMAGE_SYM_DTYPE_NULL # (0)
+ StorageClass: IMAGE_SYM_CLASS_EXTERNAL # (2)
+
diff --git a/test/Object/Inputs/trivial-object-test.coff-i386 b/test/Object/Inputs/trivial-object-test.coff-i386
index 8cfd9949b1..d4ab63b70d 100644
--- a/test/Object/Inputs/trivial-object-test.coff-i386
+++ b/test/Object/Inputs/trivial-object-test.coff-i386
Binary files differ
diff --git a/test/Object/nm-trivial-object.test b/test/Object/nm-trivial-object.test
index e5635ab475..b6f70a02a7 100644
--- a/test/Object/nm-trivial-object.test
+++ b/test/Object/nm-trivial-object.test
@@ -1,7 +1,5 @@
-RUN: llvm-nm %p/Inputs/trivial-object-test.coff-i386 \
-RUN: | FileCheck %s -check-prefix COFF
-RUN: llvm-nm %p/Inputs/trivial-object-test.coff-x86-64 \
-RUN: | FileCheck %s -check-prefix COFF
+RUN: yaml2obj %p/COFF/i386.yaml | llvm-nm | FileCheck %s -check-prefix COFF
+RUN: yaml2obj %p/COFF/x86-64.yaml | llvm-nm | FileCheck %s -check-prefix COFF
RUN: llvm-nm %p/Inputs/trivial-object-test.elf-i386 \
RUN: | FileCheck %s -check-prefix ELF
RUN: llvm-nm %p/Inputs/trivial-object-test.elf-x86-64 \
@@ -30,4 +28,4 @@ macho: 00000000 U _puts
macho64: 00000028 s L_.str
macho64: 00000000 u _SomeOtherFunction
macho64: 00000000 s _main
-macho64: 00000000 u _puts \ No newline at end of file
+macho64: 00000000 u _puts
diff --git a/test/Object/objdump-file-header.test b/test/Object/objdump-file-header.test
index 3fce3f4071..f35a8a1fa2 100644
--- a/test/Object/objdump-file-header.test
+++ b/test/Object/objdump-file-header.test
@@ -1,5 +1,4 @@
-RUN: llvm-objdump -f %p/Inputs/trivial-object-test.coff-i386 \
-RUN: | FileCheck %s -check-prefix COFF-i386
+RUN: yaml2obj %p/COFF/i386.yaml | llvm-objdump -f - | FileCheck %s -check-prefix COFF-i386
RUN: llvm-objdump -f %p/Inputs/trivial-object-test.elf-i386 \
RUN: | FileCheck %s -check-prefix ELF-i386
diff --git a/test/Object/objdump-section-content.test b/test/Object/objdump-section-content.test
index 581e75eb5a..56b7989a60 100644
--- a/test/Object/objdump-section-content.test
+++ b/test/Object/objdump-section-content.test
@@ -1,9 +1,8 @@
-RUN: llvm-objdump -s %p/Inputs/trivial-object-test.coff-i386 \
-RUN: | FileCheck %s -check-prefix COFF-i386
+RUN: yaml2obj %p/COFF/i386.yaml | llvm-objdump -s - | FileCheck %s -check-prefix COFF-i386
RUN: llvm-objdump -s %p/Inputs/trivial-object-test.elf-i386 \
RUN: | FileCheck %s -check-prefix ELF-i386
-COFF-i386: trivial-object-test.coff-i386: file format
+COFF-i386: file format
COFF-i386: Contents of section .text:
COFF-i386: 0000 83ec0cc7 44240800 000000c7 04240000 ....D$.......$..
COFF-i386: 0010 0000e800 000000e8 00000000 8b442408 .............D$.
diff --git a/test/Object/objdump-symbol-table.test b/test/Object/objdump-symbol-table.test
index 8a0f44042d..a721171c09 100644
--- a/test/Object/objdump-symbol-table.test
+++ b/test/Object/objdump-symbol-table.test
@@ -1,17 +1,17 @@
-RUN: llvm-objdump -t %p/Inputs/trivial-object-test.coff-i386 \
+RUN: yaml2obj %p/COFF/i386.yaml | llvm-objdump -t - \
RUN: | FileCheck %s -check-prefix COFF-i386
RUN: llvm-objdump -t %p/Inputs/trivial-object-test.elf-i386 \
RUN: | FileCheck %s -check-prefix ELF-i386
RUN: llvm-objdump -t %p/Inputs/trivial-object-test.macho-i386 \
RUN: | FileCheck %s -check-prefix macho-i386
-COFF-i386: trivial-object-test.coff-i386: file format
+COFF-i386: file format
COFF-i386: SYMBOL TABLE:
COFF-i386: [ 0](sec 1)(fl 0x00)(ty 0)(scl 3) (nx 1) 0x00000000 .text
COFF-i386: AUX scnlen 0x24 nreloc 3 nlnno 0 checksum 0x0 assoc 1 comdat 0
COFF-i386: [ 2](sec 2)(fl 0x00)(ty 0)(scl 3) (nx 1) 0x00000000 .data
COFF-i386: AUX scnlen 0xd nreloc 0 nlnno 0 checksum 0x0 assoc 2 comdat 0
-COFF-i386: [ 4](sec 1)(fl 0x00)(ty 200)(scl 2) (nx 0) 0x00000000 _main
+COFF-i386: [ 4](sec 1)(fl 0x00)(ty 20)(scl 2) (nx 0) 0x00000000 _main
COFF-i386: [ 5](sec 2)(fl 0x00)(ty 0)(scl 3) (nx 0) 0x00000000 L_.str
COFF-i386: [ 6](sec 0)(fl 0x00)(ty 0)(scl 2) (nx 0) 0x00000000 _puts
COFF-i386: [ 7](sec 0)(fl 0x00)(ty 0)(scl 2) (nx 0) 0x00000000 _SomeOtherFunction
diff --git a/utils/Makefile b/utils/Makefile
index ecb30bed7c..7a3c17d032 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -9,7 +9,7 @@
LEVEL = ..
PARALLEL_DIRS := FileCheck FileUpdate TableGen PerfectShuffle \
- count fpcmp llvm-lit not unittest
+ count fpcmp llvm-lit not unittest yaml2obj
EXTRA_DIST := check-each-file codegen-diff countloc.sh \
DSAclean.py DSAextract.py emacs findsym.pl GenLibDeps.pl \
diff --git a/utils/yaml2obj/CMakeLists.txt b/utils/yaml2obj/CMakeLists.txt
new file mode 100644
index 0000000000..f8b1197524
--- /dev/null
+++ b/utils/yaml2obj/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_llvm_utility(yaml2obj
+ yaml2obj.cpp
+ )
+
+target_link_libraries(yaml2obj LLVMSupport)
diff --git a/utils/yaml2obj/Makefile b/utils/yaml2obj/Makefile
new file mode 100644
index 0000000000..e746d85190
--- /dev/null
+++ b/utils/yaml2obj/Makefile
@@ -0,0 +1,20 @@
+##===- utils/yaml2obj/Makefile ----------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../..
+TOOLNAME = yaml2obj
+USEDLIBS = LLVMSupport.a
+
+# This tool has no plugins, optimize startup time.
+TOOL_NO_EXPORTS = 1
+
+# Don't install this utility
+NO_INSTALL = 1
+
+include $(LEVEL)/Makefile.common
diff --git a/utils/yaml2obj/yaml2obj.cpp b/utils/yaml2obj/yaml2obj.cpp
new file mode 100644
index 0000000000..d21336f5fd
--- /dev/null
+++ b/utils/yaml2obj/yaml2obj.cpp
@@ -0,0 +1,879 @@
+//===- yaml2obj - Convert YAML to a binary object file --------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This program takes a YAML description of an object file and outputs the
+// binary equivalent.
+//
+// This is used for writing tests that require binary files.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/COFF.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/system_error.h"
+#include "llvm/Support/YAMLParser.h"
+
+#include <vector>
+
+using namespace llvm;
+
+static cl::opt<std::string>
+ Input(cl::Positional, cl::desc("<input>"), cl::init("-"));
+
+template<class T>
+typename std::enable_if<std::numeric_limits<T>::is_integer, bool>::type
+getAs(const llvm::yaml::ScalarNode *SN, T &Result) {
+ SmallString<4> Storage;
+ StringRef Value = SN->getValue(Storage);
+ if (Value.getAsInteger(0, Result))
+ return false;
+ return true;
+}
+
+// Given a container with begin and end with ::value_type of a character type.
+// Iterate through pairs of characters in the the set of [a-fA-F0-9] ignoring
+// all other characters.
+struct hex_pair_iterator {
+ StringRef::const_iterator Current, End;
+ typedef SmallVector<char, 2> value_type;
+ value_type Pair;
+ bool IsDone;
+
+ hex_pair_iterator(StringRef C)
+ : Current(C.begin()), End(C.end()), IsDone(false) {
+ // Initalize Pair.
+ ++*this;
+ }
+
+ // End iterator.
+ hex_pair_iterator() : Current(), End(), IsDone(true) {}
+
+ value_type operator *() const {
+ return Pair;
+ }
+
+ hex_pair_iterator operator ++() {
+ // We're at the end of the input.
+ if (Current == End) {
+ IsDone = true;
+ return *this;
+ }
+ Pair = value_type();
+ for (; Current != End && Pair.size() != 2; ++Current) {
+ // Is a valid hex digit.
+ if ((*Current >= '0' && *Current <= '9') ||
+ (*Current >= 'a' && *Current <= 'f') ||
+ (*Current >= 'A' && *Current <= 'F'))
+ Pair.push_back(*Current);
+ }
+ // Hit the end without getting 2 hex digits. Pair is invalid.
+ if (Pair.size() != 2)
+ IsDone = true;
+ return *this;
+ }
+
+ bool operator ==(const hex_pair_iterator Other) {
+ return (IsDone == Other.IsDone == true) ||
+ (Current == Other.Current && End == Other.End);
+ }
+
+ bool operator !=(const hex_pair_iterator Other) {
+ return !(*this == Other);
+ }
+};
+
+template <class ContainerOut>
+static bool hexStringToByteArray(StringRef Str, ContainerOut &Out) {
+ for (hex_pair_iterator I(Str), E; I != E; ++I) {
+ typename hex_pair_iterator::value_type Pair = *I;
+ typename ContainerOut::value_type Byte;
+ if (StringRef(Pair.data(), 2).getAsInteger(16, Byte))
+ return false;
+ Out.push_back(Byte);
+ }
+ return true;
+}
+
+/// This parses a yaml stream that represents a COFF object file.
+/// See docs/yaml2obj for the yaml scheema.
+struct COFFParser {
+ COFFParser(yaml::Stream &Input) : YS(Input) {
+ std::memset(&Header, 0, sizeof(Header));
+ // A COFF string table always starts with a 4 byte size field. Offsets into
+ // it include this size, so allocate it now.
+ StringTable.append(4, 0);
+ }
+
+ bool parseHeader(yaml::Node *HeaderN) {
+ yaml::MappingNode *MN = dyn_cast<yaml::MappingNode>(HeaderN);
+ if (!MN) {
+ YS.printError(HeaderN, "header's value must be a mapping node");
+ return false;
+ }
+ for (yaml::MappingNode::iterator i = MN->begin(), e = MN->end();
+ i != e; ++i) {
+ yaml::ScalarNode *Key = dyn_cast<yaml::ScalarNode>(i->getKey());
+ if (!Key) {
+ YS.printError(i->getKey(), "Keys must be scalar values");
+ return false;
+ }
+ SmallString<32> Storage;
+ StringRef KeyValue = Key->getValue(Storage);
+ if (KeyValue == "Characteristics") {
+ if (!parseHeaderCharacteristics(i->getValue()))
+ return false;
+ } else {
+ yaml::ScalarNode *Value = dyn_cast<yaml::ScalarNode>(i->getValue());
+ if (!Value) {
+ YS.printError(Value,
+ Twine(KeyValue) + " must be a scalar value");
+ return false;
+ }
+ if (KeyValue == "Machine") {
+ uint16_t Machine;
+ if (!getAs(Value, Machine)) {
+ // It's not a raw number, try matching the string.
+ StringRef ValueValue = Value->getValue(Storage);
+ Machine = StringSwitch<COFF::MachineTypes>(ValueValue)
+ .Case( "IMAGE_FILE_MACHINE_UNKNOWN"
+ , COFF::IMAGE_FILE_MACHINE_UNKNOWN)
+ .Case( "IMAGE_FILE_MACHINE_AM33"
+ , COFF::IMAGE_FILE_MACHINE_AM33)
+ .Case( "IMAGE_FILE_MACHINE_AMD64"
+ , COFF::IMAGE_FILE_MACHINE_AMD64)
+ .Case( "IMAGE_FILE_MACHINE_ARM"
+ , COFF::IMAGE_FILE_MACHINE_ARM)
+ .Case( "IMAGE_FILE_MACHINE_ARMV7"
+ , COFF::IMAGE_FILE_MACHINE_ARMV7)
+ .Case( "IMAGE_FILE_MACHINE_EBC"
+ , COFF::IMAGE_FILE_MACHINE_EBC)
+ .Case( "IMAGE_FILE_MACHINE_I386"
+ , COFF::IMAGE_FILE_MACHINE_I386)
+ .Case( "IMAGE_FILE_MACHINE_IA64"
+ , COFF::IMAGE_FILE_MACHINE_IA64)
+ .Case( "IMAGE_FILE_MACHINE_M32R"
+ , COFF::IMAGE_FILE_MACHINE_M32R)
+ .Case( "IMAGE_FILE_MACHINE_MIPS16"
+ , COFF::IMAGE_FILE_MACHINE_MIPS16)
+ .Case( "IMAGE_FILE_MACHINE_MIPSFPU"
+ , COFF::IMAGE_FILE_MACHINE_MIPSFPU)
+ .Case( "IMAGE_FILE_MACHINE_MIPSFPU16"
+ , COFF::IMAGE_FILE_MACHINE_MIPSFPU16)
+ .Case( "IMAGE_FILE_MACHINE_POWERPC"
+ , COFF::IMAGE_FILE_MACHINE_POWERPC)
+ .Case( "IMAGE_FILE_MACHINE_POWERPCFP"
+ , COFF::IMAGE_FILE_MACHINE_POWERPCFP)
+ .Case( "IMAGE_FILE_MACHINE_R4000"
+ , COFF::IMAGE_FILE_MACHINE_R4000)
+ .Case( "IMAGE_FILE_MACHINE_SH3"
+ , COFF::IMAGE_FILE_MACHINE_SH3)
+ .Case( "IMAGE_FILE_MACHINE_SH3DSP"
+ , COFF::IMAGE_FILE_MACHINE_SH3DSP)
+ .Case( "IMAGE_FILE_MACHINE_SH4"
+ , COFF::IMAGE_FILE_MACHINE_SH4)
+ .Case( "IMAGE_FILE_MACHINE_SH5"
+ , COFF::IMAGE_FILE_MACHINE_SH5)
+ .Case( "IMAGE_FILE_MACHINE_THUMB"
+ , COFF::IMAGE_FILE_MACHINE_THUMB)
+ .Case( "IMAGE_FILE_MACHINE_WCEMIPSV2"
+ , COFF::IMAGE_FILE_MACHINE_WCEMIPSV2)
+ .Default(COFF::MT_Invalid);
+ if (Machine == COFF::MT_Invalid) {
+ YS.printError(Value, "Invalid value for Machine");
+ return false;
+ }
+ }
+ Header.Machine = Machine;
+ } else if (KeyValue == "NumberOfSections") {
+ if (!getAs(Value, Header.NumberOfSections)) {
+ YS.printError(Value, "Invalid value for NumberOfSections");
+ return false;
+ }
+ } else if (KeyValue == "TimeDateStamp") {
+ if (!getAs(Value, Header.TimeDateStamp)) {
+ YS.printError(Value, "Invalid value for TimeDateStamp");
+ return false;
+ }
+ } else if (KeyValue == "PointerToSymbolTable") {
+ if (!getAs(Value, Header.PointerToSymbolTable)) {
+ YS.printError(Value, "Invalid value for PointerToSymbolTable");
+ return false;
+ }
+ } else if (KeyValue == "NumberOfSymbols") {
+ if (!getAs(Value, Header.NumberOfSymbols)) {
+ YS.printError(Value, "Invalid value for NumberOfSymbols");
+ return false;
+ }
+ } else if (KeyValue == "SizeOfOptionalHeader") {
+ if (!getAs(Value, Header.SizeOfOptionalHeader)) {
+ YS.printError(Value, "Invalid value for SizeOfOptionalHeader");
+ return false;
+ }
+ } else {
+ YS.printError(Key, "Unrecognized key in header");
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ bool parseHeaderCharacteristics(yaml::Node *Characteristics) {
+ yaml::ScalarNode *Value = dyn_cast<yaml::ScalarNode>(Characteristics);
+ yaml::SequenceNode *SeqValue
+ = dyn_cast<yaml::SequenceNode>(Characteristics);
+ if (!Value && !SeqValue) {
+ YS.printError(Characteristics,
+ "Characteristics must either be a number or sequence");
+ return false;
+ }
+ if (Value) {
+ if (!getAs(Value, Header.Characteristics)) {
+ YS.printError(Value, "Invalid value for Characteristics");
+ return false;
+ }
+ } else {
+ for (yaml::SequenceNode::iterator ci = SeqValue->begin(),
+ ce = SeqValue->end();
+ ci != ce; ++ci) {
+ yaml::ScalarNode *CharValue = dyn_cast<yaml::ScalarNode>(&*ci);
+ if (!CharValue) {
+ YS.printError(CharValue,
+ "Characteristics must be scalar values");
+ return false;
+ }
+ SmallString<32> Storage;
+ StringRef Char = CharValue->getValue(Storage);
+ uint16_t Characteristic = StringSwitch<COFF::Characteristics>(Char)
+ .Case( "IMAGE_FILE_RELOCS_STRIPPED"
+ , COFF::IMAGE_FILE_RELOCS_STRIPPED)
+ .Case( "IMAGE_FILE_EXECUTABLE_IMAGE"
+ , COFF::IMAGE_FILE_EXECUTABLE_IMAGE)
+ .Case( "IMAGE_FILE_LINE_NUMS_STRIPPED"
+ , COFF::IMAGE_FILE_LINE_NUMS_STRIPPED)
+ .Case( "IMAGE_FILE_LOCAL_SYMS_STRIPPED"
+ , COFF::IMAGE_FILE_LOCAL_SYMS_STRIPPED)
+ .Case( "IMAGE_FILE_AGGRESSIVE_WS_TRIM"
+ , COFF::IMAGE_FILE_AGGRESSIVE_WS_TRIM)
+ .Case( "IMAGE_FILE_LARGE_ADDRESS_AWARE"
+ , COFF::IMAGE_FILE_LARGE_ADDRESS_AWARE)
+ .Case( "IMAGE_FILE_BYTES_REVERSED_LO"
+ , COFF::IMAGE_FILE_BYTES_REVERSED_LO)
+ .Case( "IMAGE_FILE_32BIT_MACHINE"
+ , COFF::IMAGE_FILE_32BIT_MACHINE)
+ .Case( "IMAGE_FILE_DEBUG_STRIPPED"
+ , COFF::IMAGE_FILE_DEBUG_STRIPPED)
+ .Case( "IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP"
+ , COFF::IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP)
+ .Case( "IMAGE_FILE_SYSTEM"
+ , COFF::IMAGE_FILE_SYSTEM)
+ .Case( "IMAGE_FILE_DLL"
+ , COFF::IMAGE_FILE_DLL)
+ .Case( "IMAGE_FILE_UP_SYSTEM_ONLY"
+ , COFF::IMAGE_FILE_UP_SYSTEM_ONLY)
+ .Default(COFF::C_Invalid);
+ if (Characteristic == COFF::C_Invalid) {
+ // TODO: Typo-correct.
+ YS.printError(CharValue,
+ "Invalid value for Characteristic");
+ return false;
+ }
+ Header.Characteristics |= Characteristic;
+ }
+ }
+ return true;
+ }
+
+ bool parseSections(yaml::Node *SectionsN) {
+ yaml::SequenceNode *SN = dyn_cast<yaml::SequenceNode>(SectionsN);
+ if (!SN) {
+ YS.printError(SectionsN, "Sections must be a sequence");
+ return false;
+ }
+ for (yaml::SequenceNode::iterator i = SN->begin(), e = SN->end();
+ i != e; ++i) {
+ Section Sec;
+ std::memset(&Sec.Header, 0, sizeof(Sec.Header));
+ yaml::MappingNode *SecMap = dyn_cast<yaml::MappingNode>(&*i);
+ if (!SecMap) {
+ YS.printError(&*i, "Section entry must be a map");
+ return false;
+ }
+ for (yaml::MappingNode::iterator si = SecMap->begin(), se = SecMap->end();
+ si != se; ++si) {
+ yaml::ScalarNode *Key = dyn_cast<yaml::ScalarNode>(si->getKey());
+ if (!Key) {
+ YS.printError(si->getKey(), "Keys must be scalar values");
+ return false;
+ }
+ SmallString<32> Storage;
+ StringRef KeyValue = Key->getValue(Storage);
+
+ yaml::ScalarNode *Value = dyn_cast<yaml::ScalarNode>(si->getValue());
+ if (KeyValue == "Name") {
+ // If the name is less than 8 bytes, store it in place, otherwise
+ // store it in the string table.
+ StringRef Name = Value->getValue(Storage);
+ std::fill_n(Sec.Header.Name, unsigned(COFF::NameSize), 0);
+ if (Name.size() <= COFF::NameSize) {
+ std::copy(Name.begin(), Name.end(), Sec.Header.Name);
+ } else {
+ // Add string to the string table and format the index for output.
+ unsigned Index = getStringIndex(Name);
+ std::string str = utostr(Index);
+ if (str.size() > 7) {
+ YS.printError(Value, "String table got too large");
+ return false;
+ }
+ Sec.Header.Name[0] = '/';
+ std::copy(str.begin(), str.end(), Sec.Header.Name + 1);
+ }
+ } else if (KeyValue == "VirtualSize") {
+ if (!getAs(Value, Sec.Header.VirtualSize)) {
+ YS.printError(Value, "Invalid value for VirtualSize");
+ return false;
+ }
+ } else if (KeyValue == "VirtualAddress") {
+ if (!getAs(Value, Sec.Header.VirtualAddress)) {
+ YS.printError(Value, "Invalid value for VirtualAddress");
+ return false;
+ }
+ } else if (KeyValue == "SizeOfRawData") {
+ if (!getAs(Value, Sec.Header.SizeOfRawData)) {
+ YS.printError(Value, "Invalid value for SizeOfRawData");
+ return false;
+ }
+ } else if (KeyValue == "PointerToRawData") {
+ if (!getAs(Value, Sec.Header.PointerToRawData)) {
+ YS.printError(Value, "Invalid value for PointerToRawData");
+ return false;
+ }
+ } else if (KeyValue == "PointerToRelocations") {
+ if (!getAs(Value, Sec.Header.PointerToRelocations)) {
+ YS.printError(Value, "Invalid value for PointerToRelocations");
+ return false;
+ }
+ } else if (KeyValue == "PointerToLineNumbers") {
+ if (!getAs(Value, Sec.Header.PointerToLineNumbers)) {
+ YS.printError(Value, "Invalid value for PointerToLineNumbers");
+ return false;
+ }
+ } else if (KeyValue == "NumberOfRelocations") {
+ if (!getAs(Value, Sec.Header.NumberOfRelocations)) {
+ YS.printError(Value, "Invalid value for NumberOfRelocations");
+ return false;
+ }
+ } else if (KeyValue == "NumberOfLineNumbers") {
+ if (!getAs(Value, Sec.Header.NumberOfLineNumbers)) {
+ YS.printError(Value, "Invalid value for NumberOfLineNumbers");
+ return false;
+ }
+ } else if (KeyValue == "Characteristics") {
+ yaml::SequenceNode *SeqValue
+ = dyn_cast<yaml::SequenceNode>(si->getValue());
+ if (!Value && !SeqValue) {
+ YS.printError(si->getValue(),
+ "Characteristics must either be a number or sequence");
+ return false;
+ }
+ if (Value) {
+ if (!getAs(Value, Sec.Header.Characteristics)) {
+ YS.printError(Value, "Invalid value for Characteristics");
+ return false;
+ }
+ } else {
+ for (yaml::SequenceNode::iterator ci = SeqValue->begin(),
+ ce = SeqValue->end();
+ ci != ce; ++ci) {
+ yaml::ScalarNode *CharValue = dyn_cast<yaml::ScalarNode>(&*ci);
+ if (!CharValue) {
+ YS.printError(CharValue, "Invalid value for Characteristics");
+ return false;
+ }
+ StringRef Char = CharValue->getValue(Storage);
+ uint32_t Characteristic =
+ StringSwitch<COFF::SectionCharacteristics>(Char)
+ .Case( "IMAGE_SCN_TYPE_NO_PAD"
+ , COFF::IMAGE_SCN_TYPE_NO_PAD)
+ .Case( "IMAGE_SCN_CNT_CODE"
+ , COFF::IMAGE_SCN_CNT_CODE)
+ .Case( "IMAGE_SCN_CNT_INITIALIZED_DATA"
+ , COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
+ .Case( "IMAGE_SCN_CNT_UNINITIALIZED_DATA"
+ , COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
+ .Case( "IMAGE_SCN_LNK_OTHER"
+ , COFF::IMAGE_SCN_LNK_OTHER)
+ .Case( "IMAGE_SCN_LNK_INFO"
+ , COFF::IMAGE_SCN_LNK_INFO)
+ .Case( "IMAGE_SCN_LNK_REMOVE"
+ , COFF::IMAGE_SCN_LNK_REMOVE)
+ .Case( "IMAGE_SCN_LNK_COMDAT"
+ , COFF::IMAGE_SCN_LNK_COMDAT)
+ .Case( "IMAGE_SCN_GPREL"
+ , COFF::IMAGE_SCN_GPREL)
+ .Case( "IMAGE_SCN_MEM_PURGEABLE"
+ , COFF::IMAGE_SCN_MEM_PURGEABLE)
+ .Case( "IMAGE_SCN_MEM_16BIT"
+ , COFF::IMAGE_SCN_MEM_16BIT)
+ .Case( "IMAGE_SCN_MEM_LOCKED"
+ , COFF::IMAGE_SCN_MEM_LOCKED)
+ .Case( "IMAGE_SCN_MEM_PRELOAD"
+ , COFF::IMAGE_SCN_MEM_PRELOAD)
+ .Case( "IMAGE_SCN_ALIGN_1BYTES"
+ , COFF::IMAGE_SCN_ALIGN_1BYTES)
+ .Case( "IMAGE_SCN_ALIGN_2BYTES"
+ , COFF::IMAGE_SCN_ALIGN_2BYTES)
+ .Case( "IMAGE_SCN_ALIGN_4BYTES"
+ , COFF::IMAGE_SCN_ALIGN_4BYTES)
+ .Case( "IMAGE_SCN_ALIGN_8BYTES"
+ , COFF::IMAGE_SCN_ALIGN_8BYTES)
+ .Case( "IMAGE_SCN_ALIGN_16BYTES"
+ , COFF::IMAGE_SCN_ALIGN_16BYTES)
+ .Case( "IMAGE_SCN_ALIGN_32BYTES"
+ , COFF::IMAGE_SCN_ALIGN_32BYTES)
+ .Case( "IMAGE_SCN_ALIGN_64BYTES"
+ , COFF::IMAGE_SCN_ALIGN_64BYTES)
+ .Case( "IMAGE_SCN_ALIGN_128BYTES"
+ , COFF::IMAGE_SCN_ALIGN_128BYTES)
+ .Case( "IMAGE_SCN_ALIGN_256BYTES"
+ , COFF::IMAGE_SCN_ALIGN_256BYTES)
+ .Case( "IMAGE_SCN_ALIGN_512BYTES"
+ , COFF::IMAGE_SCN_ALIGN_512BYTES)
+ .Case( "IMAGE_SCN_ALIGN_1024BYTES"
+ , COFF::IMAGE_SCN_ALIGN_1024BYTES)
+ .Case( "IMAGE_SCN_ALIGN_2048BYTES"
+ , COFF::IMAGE_SCN_ALIGN_2048BYTES)
+ .Case( "IMAGE_SCN_ALIGN_4096BYTES"
+ , COFF::IMAGE_SCN_ALIGN_4096BYTES)
+ .Case( "IMAGE_SCN_ALIGN_8192BYTES"
+ , COFF::IMAGE_SCN_ALIGN_8192BYTES)
+ .Case( "IMAGE_SCN_LNK_NRELOC_OVFL"
+ , COFF::IMAGE_SCN_LNK_NRELOC_OVFL)
+ .Case( "IMAGE_SCN_MEM_DISCARDABLE"
+ , COFF::IMAGE_SCN_MEM_DISCARDABLE)
+ .Case( "IMAGE_SCN_MEM_NOT_CACHED"
+ , COFF::IMAGE_SCN_MEM_NOT_CACHED)
+ .Case( "IMAGE_SCN_MEM_NOT_PAGED"
+ , COFF::IMAGE_SCN_MEM_NOT_PAGED)
+ .Case( "IMAGE_SCN_MEM_SHARED"
+ , COFF::IMAGE_SCN_MEM_SHARED)
+ .Case( "IMAGE_SCN_MEM_EXECUTE"
+ , COFF::IMAGE_SCN_MEM_EXECUTE)
+ .Case( "IMAGE_SCN_MEM_READ"
+ , COFF::IMAGE_SCN_MEM_READ)
+ .Case( "IMAGE_SCN_MEM_WRITE"
+ , COFF::IMAGE_SCN_MEM_WRITE)
+ .Default(COFF::SC_Invalid);
+ if (Characteristic == COFF::SC_Invalid) {
+ YS.printError(CharValue, "Invalid value for Characteristic");
+ return false;
+ }
+ Sec.Header.Characteristics |= Characteristic;
+ }
+ }
+ } else if (KeyValue == "SectionData") {
+ yaml::ScalarNode *Value = dyn_cast<yaml::ScalarNode>(si->getValue());
+ SmallString<32> Storage;
+ StringRef Data = Value->getValue(Storage);
+ if (!hexStringToByteArray(Data, Sec.Data)) {
+ YS.printError(Value, "SectionData must be a collection of pairs of"
+ "hex bytes");
+ return false;
+ }
+ } else
+ si->skip();
+ }
+ Sections.push_back(Sec);
+ }
+ return true;
+ }
+
+ bool parseSymbols(yaml::Node *SymbolsN) {
+ yaml::SequenceNode *SN = dyn_cast<yaml::SequenceNode>(SymbolsN);
+ if (!SN) {
+ YS.printError(SymbolsN, "Symbols must be a sequence");
+ return false;
+ }
+ for (yaml::SequenceNode::iterator i = SN->begin(), e = SN->end();
+ i != e; ++i) {
+ Symbol Sym;
+ std::memset(&Sym.Header, 0, sizeof(Sym.Header));
+ yaml::MappingNode *SymMap = dyn_cast<yaml::MappingNode>(&*i);
+ if (!SymMap) {
+ YS.printError(&*i, "Symbol must be a map");
+ return false;
+ }
+ for (yaml::MappingNode::iterator si = SymMap->begin(), se = SymMap->end();
+ si != se; ++si) {
+ yaml::ScalarNode *Key = dyn_cast<yaml::ScalarNode>(si->getKey());
+ if (!Key) {
+ YS.printError(si->getKey(), "Keys must be scalar values");
+ return false;
+ }
+ SmallString<32> Storage;
+ StringRef KeyValue = Key->getValue(Storage);
+
+ yaml::ScalarNode *Value = dyn_cast<yaml::ScalarNode>(si->getValue());
+ if (!Value) {
+ YS.printError(si->getValue(), "Must be a scalar value");
+ return false;
+ }
+ if (KeyValue == "Name") {
+ // If the name is less than 8 bytes, store it in place, otherwise
+ // store it in the string table.
+ StringRef Name = Value->getValue(Storage);
+ std::fill_n(Sym.Header.Name, unsigned(COFF::NameSize), 0);
+ if (Name.size() <= COFF::NameSize) {
+ std::copy(Name.begin(), Name.end(), Sym.Header.Name);
+ } else {
+ // Add string to the string table and format the index for output.
+ unsigned Index = getStringIndex(Name);
+ *reinterpret_cast<support::aligned_ulittle32_t*>(
+ Sym.Header.Name + 4) = Index;
+ }
+ } else if (KeyValue == "Value") {
+ if (!getAs(Value, Sym.Header.Value)) {
+ YS.printError(Value, "Invalid value for Value");
+ return false;
+ }
+ } else if (KeyValue == "SimpleType") {
+ Sym.Header.Type |= StringSwitch<COFF::SymbolBaseType>(
+ Value->getValue(Storage))
+ .Case("IMAGE_SYM_TYPE_NULL", COFF::IMAGE_SYM_TYPE_NULL)
+ .Case("IMAGE_SYM_TYPE_VOID", COFF::IMAGE_SYM_TYPE_VOID)
+ .Case("IMAGE_SYM_TYPE_CHAR", COFF::IMAGE_SYM_TYPE_CHAR)
+ .Case("IMAGE_SYM_TYPE_SHORT", COFF::IMAGE_SYM_TYPE_SHORT)
+ .Case("IMAGE_SYM_TYPE_INT", COFF::IMAGE_SYM_TYPE_INT)
+ .Case("IMAGE_SYM_TYPE_LONG", COFF::IMAGE_SYM_TYPE_LONG)
+ .Case("IMAGE_SYM_TYPE_FLOAT", COFF::IMAGE_SYM_TYPE_FLOAT)
+ .Case("IMAGE_SYM_TYPE_DOUBLE", COFF::IMAGE_SYM_TYPE_DOUBLE)
+ .Case("IMAGE_SYM_TYPE_STRUCT", COFF::IMAGE_SYM_TYPE_STRUCT)
+ .Case("IMAGE_SYM_TYPE_UNION", COFF::IMAGE_SYM_TYPE_UNION)
+ .Case("IMAGE_SYM_TYPE_ENUM", COFF::IMAGE_SYM_TYPE_ENUM)
+ .Case("IMAGE_SYM_TYPE_MOE", COFF::IMAGE_SYM_TYPE_MOE)
+ .Case("IMAGE_SYM_TYPE_BYTE", COFF::IMAGE_SYM_TYPE_BYTE)
+ .Case("IMAGE_SYM_TYPE_WORD", COFF::IMAGE_SYM_TYPE_WORD)
+ .Case("IMAGE_SYM_TYPE_UINT", COFF::IMAGE_SYM_TYPE_UINT)
+ .Case("IMAGE_SYM_TYPE_DWORD", COFF::IMAGE_SYM_TYPE_DWORD)
+ .Default(COFF::IMAGE_SYM_TYPE_NULL);
+ } else if (KeyValue == "ComplexType") {
+ Sym.Header.Type |= StringSwitch<COFF::SymbolComplexType>(
+ Value->getValue(Storage))
+ .Case("IMAGE_SYM_DTYPE_NULL", COFF::IMAGE_SYM_DTYPE_NULL)
+ .Case("IMAGE_SYM_DTYPE_POINTER", COFF::IMAGE_SYM_DTYPE_POINTER)
+ .Case("IMAGE_SYM_DTYPE_FUNCTION", COFF::IMAGE_SYM_DTYPE_FUNCTION)
+ .Case("IMAGE_SYM_DTYPE_ARRAY", COFF::IMAGE_SYM_DTYPE_ARRAY)
+ .Default(COFF::IMAGE_SYM_DTYPE_NULL)
+ << COFF::SCT_COMPLEX_TYPE_SHIFT;
+ } else if (KeyValue == "StorageClass") {
+ Sym.Header.StorageClass = StringSwitch<COFF::SymbolStorageClass>(
+ Value->getValue(Storage))
+ .Case( "IMAGE_SYM_CLASS_END_OF_FUNCTION"
+ , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION)
+ .Case( "IMAGE_SYM_CLASS_NULL"
+ , COFF::IMAGE_SYM_CLASS_NULL)
+ .Case( "IMAGE_SYM_CLASS_AUTOMATIC"
+ , COFF::IMAGE_SYM_CLASS_AUTOMATIC)
+ .Case( "IMAGE_SYM_CLASS_EXTERNAL"
+ , COFF::IMAGE_SYM_CLASS_EXTERNAL)
+ .Case( "IMAGE_SYM_CLASS_STATIC"
+ , COFF::IMAGE_SYM_CLASS_STATIC)
+ .Case( "IMAGE_SYM_CLASS_REGISTER"
+ , COFF::IMAGE_SYM_CLASS_REGISTER)
+ .Case( "IMAGE_SYM_CLASS_EXTERNAL_DEF"
+ , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF)
+ .Case( "IMAGE_SYM_CLASS_LABEL"
+ , COFF::IMAGE_SYM_CLASS_LABEL)
+ .Case( "IMAGE_SYM_CLASS_UNDEFINED_LABEL"
+ , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL)
+ .Case( "IMAGE_SYM_CLASS_MEMBER_OF_STRUCT"
+ , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT)
+ .Case( "IMAGE_SYM_CLASS_ARGUMENT"
+ , COFF::IMAGE_SYM_CLASS_ARGUMENT)
+ .Case( "IMAGE_SYM_CLASS_STRUCT_TAG"
+ , COFF::IMAGE_SYM_CLASS_STRUCT_TAG)
+ .Case( "IMAGE_SYM_CLASS_MEMBER_OF_UNION"
+ , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION)
+ .Case( "IMAGE_SYM_CLASS_UNION_TAG"
+ , COFF::IMAGE_SYM_CLASS_UNION_TAG)
+ .Case( "IMAGE_SYM_CLASS_TYPE_DEFINITION"
+ , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION)
+ .Case( "IMAGE_SYM_CLASS_UNDEFINED_STATIC"
+ , COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC)
+ .Case( "IMAGE_SYM_CLASS_ENUM_TAG"
+ , COFF::IMAGE_SYM_CLASS_ENUM_TAG)
+ .Case( "IMAGE_SYM_CLASS_MEMBER_OF_ENUM"
+ , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM)
+ .Case( "IMAGE_SYM_CLASS_REGISTER_PARAM"
+ , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM)
+ .Case( "IMAGE_SYM_CLASS_BIT_FIELD"
+ , COFF::IMAGE_SYM_CLASS_BIT_FIELD)
+ .Case( "IMAGE_SYM_CLASS_BLOCK"
+ , COFF::IMAGE_SYM_CLASS_BLOCK)
+ .Case( "IMAGE_SYM_CLASS_FUNCTION"
+ , COFF::IMAGE_SYM_CLASS_FUNCTION)
+ .Case( "IMAGE_SYM_CLASS_END_OF_STRUCT"
+ , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT)
+ .Case( "IMAGE_SYM_CLASS_FILE"
+ , COFF::IMAGE_SYM_CLASS_FILE)
+ .Case( "IMAGE_SYM_CLASS_SECTION"
+ , COFF::IMAGE_SYM_CLASS_SECTION)
+ .Case( "IMAGE_SYM_CLASS_WEAK_EXTERNAL"
+ , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL)
+ .Case( "IMAGE_SYM_CLASS_CLR_TOKEN"
+ , COFF::IMAGE_SYM_CLASS_CLR_TOKEN)
+ .Default(COFF::SSC_Invalid);
+ if (Sym.Header.StorageClass == COFF::SSC_Invalid) {
+ YS.printError(Value, "Invalid value for StorageClass");
+ return false;
+ }
+ } else if (KeyValue == "SectionNumber") {
+ if (!getAs(Value, Sym.Header.SectionNumber)) {
+ YS.printError(Value, "Invalid value for SectionNumber");
+ return false;
+ }
+ } else if (KeyValue == "AuxillaryData") {
+ StringRef Data = Value->getValue(Storage);
+ if (!hexStringToByteArray(Data, Sym.AuxSymbols)) {
+ YS.printError(Value, "AuxillaryData must be a collection of pairs"
+ "of hex bytes");
+ return false;
+ }
+ } else
+ si->skip();
+ }
+ Symbols.push_back(Sym);
+ }
+ return true;
+ }
+
+ bool parse() {
+ yaml::Document &D = *YS.begin();
+ yaml::MappingNode *Root = dyn_cast<yaml::MappingNode>(D.getRoot());
+ if (!Root) {
+ YS.printError(D.getRoot(), "Root node must be a map");
+ return false;
+ }
+ for (yaml::MappingNode::iterator i = Root->begin(), e = Root->end();
+ i != e; ++i) {
+ yaml::ScalarNode *Key = dyn_cast<yaml::ScalarNode>(i->getKey());
+ if (!Key) {
+ YS.printError(i->getKey(), "Keys must be scalar values");
+ return false;
+ }
+ SmallString<32> Storage;
+ StringRef KeyValue = Key->getValue(Storage);
+ if (KeyValue == "header") {
+ if (!parseHeader(i->getValue()))
+ return false;
+ } else if (KeyValue == "sections") {
+ if (!parseSections(i->getValue()))
+ return false;
+ } else if (KeyValue == "symbols") {
+ if (!parseSymbols(i->getValue()))
+ return false;
+ }
+ }
+ return !YS.failed();
+ }
+
+ unsigned getStringIndex(StringRef Str) {
+ StringMap<unsigned>::iterator i = StringTableMap.find(Str);
+ if (i == StringTableMap.end()) {
+ unsigned Index = StringTable.size();
+ StringTable.append(Str.begin(), Str.end());
+ StringTable.push_back(0);
+ StringTableMap[Str] = Index;
+ return Index;
+ }
+ return i->second;
+ }
+
+ yaml::Stream &YS;
+ COFF::header Header;
+
+ struct Section {
+ COFF::section Header;
+ std::vector<uint8_t> Data;
+ std::vector<COFF::relocation> Relocations;
+ };
+
+ struct Symbol {
+ COFF::symbol Header;
+ std::vector<uint8_t> AuxSymbols;
+ };
+
+ std::vector<Section> Sections;
+ std::vector<Symbol> Symbols;
+ StringMap<unsigned> StringTableMap;
+ std::string StringTable;
+};
+
+// Take a CP and assign addresses and sizes to everything. Returns false if the
+// layout is not valid to do.
+static bool layoutCOFF(COFFParser &CP) {
+ uint32_t SectionTableStart = 0;
+ uint32_t SectionTableSize = 0;
+
+ // The section table starts immediately after the header, including the
+ // optional header.
+ SectionTableStart = sizeof(COFF::header) + CP.Header.SizeOfOptionalHeader;
+ SectionTableSize = sizeof(COFF::section) * CP.Sections.size();
+
+ uint32_t CurrentSectionDataOffset = SectionTableStart + SectionTableSize;
+
+ // Assign each section data address consecutively.
+ for (std::vector<COFFParser::Section>::iterator i = CP.Sections.begin(),
+ e = CP.Sections.end();
+ i != e; ++i) {
+ if (!i->Data.empty()) {
+ i->Header.SizeOfRawData = i->Data.size();
+ i->Header.PointerToRawData = CurrentSectionDataOffset;
+ CurrentSectionDataOffset += i->Header.SizeOfRawData;
+ // TODO: Handle alignment.
+ } else {
+ i->Header.SizeOfRawData = 0;
+ i->Header.PointerToRawData = 0;
+ }
+ }
+
+ uint32_t SymbolTableStart = CurrentSectionDataOffset;
+
+ // Calculate number of symbols.
+ uint32_t NumberOfSymbols = 0;
+ for (std::vector<COFFParser::Symbol>::iterator i = CP.Symbols.begin(),
+ e = CP.Symbols.end();
+ i != e; ++i) {
+ if (i->AuxSymbols.size() % COFF::SymbolSize != 0) {
+ errs() << "AuxillaryData size not a multiple of symbol size!\n";
+ return false;
+ }
+ i->Header.NumberOfAuxSymbols = i->AuxSymbols.size() / COFF::SymbolSize;
+ NumberOfSymbols += 1 + i->Header.NumberOfAuxSymbols;
+ }
+
+ // Store all the allocated start addresses in the header.
+ CP.Header.NumberOfSections = CP.Sections.size();
+ CP.Header.NumberOfSymbols = NumberOfSymbols;
+ CP.Header.PointerToSymbolTable = SymbolTableStart;
+
+ *reinterpret_cast<support::ulittle32_t *>(&CP.StringTable[0])
+ = CP.StringTable.size();
+
+ return true;
+}
+
+template <typename value_type>
+struct binary_le_impl {
+ value_type Value;
+ binary_le_impl(value_type V) : Value(V) {}
+};
+
+template <typename value_type>
+raw_ostream &operator <<( raw_ostream &OS
+ , const binary_le_impl<value_type> &BLE) {
+ char Buffer[sizeof(BLE.Value)];
+ support::endian::write_le<value_type, support::unaligned>(Buffer, BLE.Value);
+ OS.write(Buffer, sizeof(BLE.Value));
+ return OS;
+}
+
+template <typename value_type>
+binary_le_impl<value_type> binary_le(value_type V) {
+ return binary_le_impl<value_type>(V);
+}
+
+void writeCOFF(COFFParser &CP, raw_ostream &OS) {
+ OS << binary_le(CP.Header.Machine)
+ << binary_le(CP.Header.NumberOfSections)
+ << binary_le(CP.Header.TimeDateStamp)
+ << binary_le(CP.Header.PointerToSymbolTable)
+ << binary_le(CP.Header.NumberOfSymbols)
+ << binary_le(CP.Header.SizeOfOptionalHeader)
+ << binary_le(CP.Header.Characteristics);
+
+ // Output section table.
+ for (std::vector<COFFParser::Section>::const_iterator i = CP.Sections.begin(),
+ e = CP.Sections.end();
+ i != e; ++i) {
+ OS.write(i->Header.Name, COFF::NameSize);
+ OS << binary_le(i->Header.VirtualSize)
+ << binary_le(i->Header.VirtualAddress)
+ << binary_le(i->Header.SizeOfRawData)
+ << binary_le(i->Header.PointerToRawData)
+ << binary_le(i->Header.PointerToRelocations)
+ << binary_le(i->Header.PointerToLineNumbers)
+ << binary_le(i->Header.NumberOfRelocations)
+ << binary_le(i->Header.NumberOfLineNumbers)
+ << binary_le(i->Header.Characteristics);
+ }
+
+ // Output section data.
+ for (std::vector<COFFParser::Section>::const_iterator i = CP.Sections.begin(),
+ e = CP.Sections.end();
+ i != e; ++i) {
+ if (!i->Data.empty())
+ OS.write(reinterpret_cast<const char*>(&i->Data[0]), i->Data.size());
+ }
+
+ // Output symbol table.
+
+ for (std::vector<COFFParser::Symbol>::const_iterator i = CP.Symbols.begin(),
+ e = CP.Symbols.end();
+ i != e; ++i) {
+ OS.write(i->Header.Name, COFF::NameSize);
+ OS << binary_le(i->Header.Value)
+ << binary_le(i->Header.SectionNumber)
+ << binary_le(i->Header.Type)
+ << binary_le(i->Header.StorageClass)
+ << binary_le(i->Header.NumberOfAuxSymbols);
+ if (!i->AuxSymbols.empty())
+ OS.write( reinterpret_cast<const char*>(&i->AuxSymbols[0])
+ , i->AuxSymbols.size());
+ }
+
+ // Output string table.
+ OS.write(&CP.StringTable[0], CP.StringTable.size());
+}
+
+int main(int argc, char **argv) {
+ cl::ParseCommandLineOptions(argc, argv);
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+
+ OwningPtr<MemoryBuffer> Buf;
+ if (MemoryBuffer::getFileOrSTDIN(Input, Buf))
+ return 1;
+
+ SourceMgr SM;
+ yaml::Stream S(Buf->getBuffer(), SM);
+ COFFParser CP(S);
+ if (!CP.parse()) {
+ errs() << "yaml2obj: Failed to parse YAML file!\n";
+ return 1;
+ }
+ if (!layoutCOFF(CP)) {
+ errs() << "yaml2obj: Failed to layout COFF file!\n";
+ return 1;
+ }
+ writeCOFF(CP, outs());
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 23:33:28 +0000