Files
RedBear-OS/local/recipes/dev/libclc/source/llvm/docs/yaml2obj.rst
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

277 lines
12 KiB
ReStructuredText

yaml2obj
========
yaml2obj takes a YAML description of an object file and converts it to a binary
file.
$ yaml2obj input-file
.. program:: yaml2obj
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$.....|
- Name: .rdata
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
StructuredData:
- Binary: {type: str}
- UInt32: {type: int}
- LoadConfig:
Size: {type: int}
TimeDateStamp: {type: int}
MajorVersion: {type: int}
MinorVersion: {type: int}
GlobalFlagsClear: {type: int}
GlobalFlagsSet: {type: int}
CriticalSectionDefaultTimeout: {type: int}
DeCommitFreeBlockThreshold: {type: int}
DeCommitTotalFreeThreshold: {type: int}
LockPrefixTable: {type: int}
MaximumAllocationSize: {type: int}
VirtualMemoryThreshold: {type: int}
ProcessAffinityMask: {type: int}
ProcessHeapFlags: {type: int}
CSDVersion: {type: int}
DependentLoadFlags: {type: int}
EditList: {type: int}
SecurityCookie: {type: int}
SEHandlerTable: {type: int}
SEHandlerCount: {type: int}
GuardCFCheckFunction: {type: int}
GuardCFCheckDispatch: {type: int}
GuardCFFunctionTable: {type: int}
GuardCFFunctionCount: {type: int}
GuardFlags: {type: int}
CodeIntegrity:
Flags: {type: int}
Catalog: {type: int}
CatalogOffset: {type: int}
GuardAddressTakenIatEntryTable: {type: int}
GuardAddressTakenIatEntryCount: {type: int}
GuardLongJumpTargetTable: {type: int}
GuardLongJumpTargetCount: {type: int}
DynamicValueRelocTable: {type: int}
CHPEMetadataPointer: {type: int}
GuardRFFailureRoutine: {type: int}
GuardRFFailureRoutineFunctionPointer: {type: int}
DynamicValueRelocTableOffset: {type: int}
DynamicValueRelocTableSection: {type: int}
GuardRFVerifyStackPointerFunctionPointer: {type: int}
HotPatchTableOffset: {type: int}
EnclaveConfigurationPointer: {type: int}
VolatileMetadataPointer: {type: int}
GuardEHContinuationTable: {type: int}
GuardEHContinuationCount: {type: int}
GuardXFGCheckFunctionPointer: {type: int}
GuardXFGDispatchFunctionPointer: {type: int}
GuardXFGTableDispatchFunctionPointer: {type: int}
CastGuardOsDeterminedFailureMode: {type: int}
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
AuxiliaryData:
"\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_ARMNT
, IMAGE_FILE_MACHINE_ARM64
, 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}
]