diff options
Diffstat (limited to 'llvm/docs')
| -rw-r--r-- | llvm/docs/AMDGPUUsage.rst | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst index 5aecdfc3c22..e035c62c1c4 100644 --- a/llvm/docs/AMDGPUUsage.rst +++ b/llvm/docs/AMDGPUUsage.rst @@ -851,15 +851,16 @@ Symbols include the following: .. table:: AMDGPU ELF Symbols :name: amdgpu-elf-symbols-table - ===================== ============== ============= ================== - Name Type Section Description - ===================== ============== ============= ================== - *link-name* ``STT_OBJECT`` - ``.data`` Global variable - - ``.rodata`` - - ``.bss`` - *link-name*\ ``.kd`` ``STT_OBJECT`` - ``.rodata`` Kernel descriptor - *link-name* ``STT_FUNC`` - ``.text`` Kernel entry point - ===================== ============== ============= ================== + ===================== ================== ================ ================== + Name Type Section Description + ===================== ================== ================ ================== + *link-name* ``STT_OBJECT`` - ``.data`` Global variable + - ``.rodata`` + - ``.bss`` + *link-name*\ ``.kd`` ``STT_OBJECT`` - ``.rodata`` Kernel descriptor + *link-name* ``STT_FUNC`` - ``.text`` Kernel entry point + *link-name* ``STT_OBJECT`` - SHN_AMDGPU_LDS Global variable in LDS + ===================== ================== ================ ================== Global variable Global variables both used and defined by the compilation unit. @@ -871,10 +872,10 @@ Global variable will resolve relocations using the definition provided by another code object or explicitly defined by the runtime. - All global symbols, whether defined in the compilation unit or external, are - accessed by the machine code indirectly through a GOT table entry. This - allows them to be preemptable. The GOT table is only supported when the target - triple OS is ``amdhsa`` (see :ref:`amdgpu-target-triples`). + If the symbol resides in local/group memory (LDS) then its section is the + special processor-specific section name ``SHN_AMDGPU_LDS``, and the + ``st_value`` field describes alignment requirements as it does for common + symbols. .. TODO Add description of linked shared object symbols. Seems undefined symbols |
