diff options
Diffstat (limited to 'llvm/docs/AMDGPUUsage.rst')
| -rw-r--r-- | llvm/docs/AMDGPUUsage.rst | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst index 42131f8d1a8..2e9840905e2 100644 --- a/llvm/docs/AMDGPUUsage.rst +++ b/llvm/docs/AMDGPUUsage.rst @@ -359,18 +359,20 @@ The AMDGPU backend uses the following ELF header: .. table:: AMDGPU ELF Header :name: amdgpu-elf-header-table - ========================== ========================= + ========================== =============================== Field Value - ========================== ========================= + ========================== =============================== ``e_ident[EI_CLASS]`` ``ELFCLASS64`` ``e_ident[EI_DATA]`` ``ELFDATA2LSB`` - ``e_ident[EI_OSABI]`` ``ELFOSABI_AMDGPU_HSA`` - ``e_ident[EI_ABIVERSION]`` ``ELFABIVERSION_AMDGPU_HSA`` + ``e_ident[EI_OSABI]`` ``ELFOSABI_AMDGPU_HSA`` or + ``ELFOSABI_AMDGPU_PAL`` + ``e_ident[EI_ABIVERSION]`` ``ELFABIVERSION_AMDGPU_HSA`` or + ``ELFABIVERSION_AMDGPU_PAL`` ``e_type`` ``ET_REL`` or ``ET_DYN`` ``e_machine`` ``EM_AMDGPU`` ``e_entry`` 0 ``e_flags`` 0 - ========================== ========================= + ========================== =============================== .. @@ -382,24 +384,36 @@ The AMDGPU backend uses the following ELF header: ============================ ===== ``EM_AMDGPU`` 224 ``ELFOSABI_AMDGPU_HSA`` 64 + ``ELFOSABI_AMDGPU_PAL`` 65 ``ELFABIVERSION_AMDGPU_HSA`` 1 + ``ELFABIVERSION_AMDGPU_PAL`` 0 ============================ ===== ``e_ident[EI_CLASS]`` - The ELF class is always ``ELFCLASS64``. The AMDGPU backend only supports 64 bit - applications. + The ELF class is always ``ELFCLASS64``. The AMDGPU backend only supports 64 + bit applications. ``e_ident[EI_DATA]`` All AMDGPU targets use ELFDATA2LSB for little-endian byte ordering. ``e_ident[EI_OSABI]`` - The AMD GPU architecture specific OS ABI of ``ELFOSABI_AMDGPU_HSA`` is used to - specify that the code object conforms to the AMD HSA runtime ABI [HSA]_. + One of two AMD GPU architecture specific OS ABI: + + * ``ELFOSABI_AMDGPU_HSA`` is used to specify that the code object conforms to + the AMD HSA runtime ABI [HSA]_. + + * ``ELFOSABI_AMDGPU_PAL`` is used to specify that the code object conforms to + the AMD PAL runtime ABI. ``e_ident[EI_ABIVERSION]`` - The AMD GPU architecture specific OS ABI version of - ``ELFABIVERSION_AMDGPU_HSA`` is used to specify the version of AMD HSA runtime - ABI to which the code object conforms. + The ABI version of the AMD GPU architecture specific OS ABI to which the code + object conforms: + + * ``ELFABIVERSION_AMDGPU_HSA`` is used to specify the version of AMD HSA + runtime ABI. + + * ``ELFABIVERSION_AMDGPU_PAL`` is used to specify the version of AMD PAL + runtime ABI. ``e_type`` Can be one of the following values: |
