diff options
Diffstat (limited to 'contrib/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp b/contrib/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp new file mode 100644 index 0000000..b91134d --- /dev/null +++ b/contrib/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp @@ -0,0 +1,346 @@ +//===-- AMDGPUTargetStreamer.cpp - Mips Target Streamer Methods -----------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file provides AMDGPU specific target streamer methods. +// +//===----------------------------------------------------------------------===// + +#include "AMDGPUTargetStreamer.h" +#include "SIDefines.h" +#include "Utils/AMDGPUBaseInfo.h" +#include "llvm/ADT/Twine.h" +#include "llvm/MC/MCContext.h" +#include "llvm/MC/MCELFStreamer.h" +#include "llvm/MC/MCObjectFileInfo.h" +#include "llvm/MC/MCSectionELF.h" +#include "llvm/Support/ELF.h" +#include "llvm/Support/FormattedStream.h" + +using namespace llvm; + +AMDGPUTargetStreamer::AMDGPUTargetStreamer(MCStreamer &S) + : MCTargetStreamer(S) { } + +//===----------------------------------------------------------------------===// +// AMDGPUTargetAsmStreamer +//===----------------------------------------------------------------------===// + +AMDGPUTargetAsmStreamer::AMDGPUTargetAsmStreamer(MCStreamer &S, + formatted_raw_ostream &OS) + : AMDGPUTargetStreamer(S), OS(OS) { } + +void +AMDGPUTargetAsmStreamer::EmitDirectiveHSACodeObjectVersion(uint32_t Major, + uint32_t Minor) { + OS << "\t.hsa_code_object_version " << + Twine(Major) << "," << Twine(Minor) << '\n'; +} + +void +AMDGPUTargetAsmStreamer::EmitDirectiveHSACodeObjectISA(uint32_t Major, + uint32_t Minor, + uint32_t Stepping, + StringRef VendorName, + StringRef ArchName) { + OS << "\t.hsa_code_object_isa " << + Twine(Major) << "," << Twine(Minor) << "," << Twine(Stepping) << + ",\"" << VendorName << "\",\"" << ArchName << "\"\n"; + +} + +void +AMDGPUTargetAsmStreamer::EmitAMDKernelCodeT(const amd_kernel_code_t &Header) { + uint64_t ComputePgmRsrc2 = (Header.compute_pgm_resource_registers >> 32); + bool EnableSGPRPrivateSegmentBuffer = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_BUFFER); + bool EnableSGPRDispatchPtr = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_PTR); + bool EnableSGPRQueuePtr = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_QUEUE_PTR); + bool EnableSGPRKernargSegmentPtr = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR); + bool EnableSGPRDispatchID = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_DISPATCH_ID); + bool EnableSGPRFlatScratchInit = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_FLAT_SCRATCH_INIT); + bool EnableSGPRPrivateSegmentSize = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE); + bool EnableSGPRGridWorkgroupCountX = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_X); + bool EnableSGPRGridWorkgroupCountY = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_Y); + bool EnableSGPRGridWorkgroupCountZ = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_SGPR_GRID_WORKGROUP_COUNT_Z); + bool EnableOrderedAppendGDS = (Header.code_properties & + AMD_CODE_PROPERTY_ENABLE_ORDERED_APPEND_GDS); + uint32_t PrivateElementSize = (Header.code_properties & + AMD_CODE_PROPERTY_PRIVATE_ELEMENT_SIZE) >> + AMD_CODE_PROPERTY_PRIVATE_ELEMENT_SIZE_SHIFT; + bool IsPtr64 = (Header.code_properties & AMD_CODE_PROPERTY_IS_PTR64); + bool IsDynamicCallstack = (Header.code_properties & + AMD_CODE_PROPERTY_IS_DYNAMIC_CALLSTACK); + bool IsDebugEnabled = (Header.code_properties & + AMD_CODE_PROPERTY_IS_DEBUG_SUPPORTED); + bool IsXNackEnabled = (Header.code_properties & + AMD_CODE_PROPERTY_IS_XNACK_SUPPORTED); + + OS << "\t.amd_kernel_code_t\n" << + "\t\tkernel_code_version_major = " << + Header.amd_kernel_code_version_major << '\n' << + "\t\tkernel_code_version_minor = " << + Header.amd_kernel_code_version_minor << '\n' << + "\t\tmachine_kind = " << + Header.amd_machine_kind << '\n' << + "\t\tmachine_version_major = " << + Header.amd_machine_version_major << '\n' << + "\t\tmachine_version_minor = " << + Header.amd_machine_version_minor << '\n' << + "\t\tmachine_version_stepping = " << + Header.amd_machine_version_stepping << '\n' << + "\t\tkernel_code_entry_byte_offset = " << + Header.kernel_code_entry_byte_offset << '\n' << + "\t\tkernel_code_prefetch_byte_size = " << + Header.kernel_code_prefetch_byte_size << '\n' << + "\t\tmax_scratch_backing_memory_byte_size = " << + Header.max_scratch_backing_memory_byte_size << '\n' << + "\t\tcompute_pgm_rsrc1_vgprs = " << + G_00B848_VGPRS(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_sgprs = " << + G_00B848_SGPRS(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_priority = " << + G_00B848_PRIORITY(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_float_mode = " << + G_00B848_FLOAT_MODE(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_priv = " << + G_00B848_PRIV(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_dx10_clamp = " << + G_00B848_DX10_CLAMP(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_debug_mode = " << + G_00B848_DEBUG_MODE(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc1_ieee_mode = " << + G_00B848_IEEE_MODE(Header.compute_pgm_resource_registers) << '\n' << + "\t\tcompute_pgm_rsrc2_scratch_en = " << + G_00B84C_SCRATCH_EN(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_user_sgpr = " << + G_00B84C_USER_SGPR(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_tgid_x_en = " << + G_00B84C_TGID_X_EN(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_tgid_y_en = " << + G_00B84C_TGID_Y_EN(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_tgid_z_en = " << + G_00B84C_TGID_Z_EN(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_tg_size_en = " << + G_00B84C_TG_SIZE_EN(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_tidig_comp_cnt = " << + G_00B84C_TIDIG_COMP_CNT(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_excp_en_msb = " << + G_00B84C_EXCP_EN_MSB(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_lds_size = " << + G_00B84C_LDS_SIZE(ComputePgmRsrc2) << '\n' << + "\t\tcompute_pgm_rsrc2_excp_en = " << + G_00B84C_EXCP_EN(ComputePgmRsrc2) << '\n' << + + "\t\tenable_sgpr_private_segment_buffer = " << + EnableSGPRPrivateSegmentBuffer << '\n' << + "\t\tenable_sgpr_dispatch_ptr = " << + EnableSGPRDispatchPtr << '\n' << + "\t\tenable_sgpr_queue_ptr = " << + EnableSGPRQueuePtr << '\n' << + "\t\tenable_sgpr_kernarg_segment_ptr = " << + EnableSGPRKernargSegmentPtr << '\n' << + "\t\tenable_sgpr_dispatch_id = " << + EnableSGPRDispatchID << '\n' << + "\t\tenable_sgpr_flat_scratch_init = " << + EnableSGPRFlatScratchInit << '\n' << + "\t\tenable_sgpr_private_segment_size = " << + EnableSGPRPrivateSegmentSize << '\n' << + "\t\tenable_sgpr_grid_workgroup_count_x = " << + EnableSGPRGridWorkgroupCountX << '\n' << + "\t\tenable_sgpr_grid_workgroup_count_y = " << + EnableSGPRGridWorkgroupCountY << '\n' << + "\t\tenable_sgpr_grid_workgroup_count_z = " << + EnableSGPRGridWorkgroupCountZ << '\n' << + "\t\tenable_ordered_append_gds = " << + EnableOrderedAppendGDS << '\n' << + "\t\tprivate_element_size = " << + PrivateElementSize << '\n' << + "\t\tis_ptr64 = " << + IsPtr64 << '\n' << + "\t\tis_dynamic_callstack = " << + IsDynamicCallstack << '\n' << + "\t\tis_debug_enabled = " << + IsDebugEnabled << '\n' << + "\t\tis_xnack_enabled = " << + IsXNackEnabled << '\n' << + "\t\tworkitem_private_segment_byte_size = " << + Header.workitem_private_segment_byte_size << '\n' << + "\t\tworkgroup_group_segment_byte_size = " << + Header.workgroup_group_segment_byte_size << '\n' << + "\t\tgds_segment_byte_size = " << + Header.gds_segment_byte_size << '\n' << + "\t\tkernarg_segment_byte_size = " << + Header.kernarg_segment_byte_size << '\n' << + "\t\tworkgroup_fbarrier_count = " << + Header.workgroup_fbarrier_count << '\n' << + "\t\twavefront_sgpr_count = " << + Header.wavefront_sgpr_count << '\n' << + "\t\tworkitem_vgpr_count = " << + Header.workitem_vgpr_count << '\n' << + "\t\treserved_vgpr_first = " << + Header.reserved_vgpr_first << '\n' << + "\t\treserved_vgpr_count = " << + Header.reserved_vgpr_count << '\n' << + "\t\treserved_sgpr_first = " << + Header.reserved_sgpr_first << '\n' << + "\t\treserved_sgpr_count = " << + Header.reserved_sgpr_count << '\n' << + "\t\tdebug_wavefront_private_segment_offset_sgpr = " << + Header.debug_wavefront_private_segment_offset_sgpr << '\n' << + "\t\tdebug_private_segment_buffer_sgpr = " << + Header.debug_private_segment_buffer_sgpr << '\n' << + "\t\tkernarg_segment_alignment = " << + (uint32_t)Header.kernarg_segment_alignment << '\n' << + "\t\tgroup_segment_alignment = " << + (uint32_t)Header.group_segment_alignment << '\n' << + "\t\tprivate_segment_alignment = " << + (uint32_t)Header.private_segment_alignment << '\n' << + "\t\twavefront_size = " << + (uint32_t)Header.wavefront_size << '\n' << + "\t\tcall_convention = " << + Header.call_convention << '\n' << + "\t\truntime_loader_kernel_symbol = " << + Header.runtime_loader_kernel_symbol << '\n' << + // TODO: control_directives + "\t.end_amd_kernel_code_t\n"; + +} + +void AMDGPUTargetAsmStreamer::EmitAMDGPUSymbolType(StringRef SymbolName, + unsigned Type) { + switch (Type) { + default: llvm_unreachable("Invalid AMDGPU symbol type"); + case ELF::STT_AMDGPU_HSA_KERNEL: + OS << "\t.amdgpu_hsa_kernel " << SymbolName << '\n' ; + break; + } +} + +void AMDGPUTargetAsmStreamer::EmitAMDGPUHsaModuleScopeGlobal( + StringRef GlobalName) { + OS << "\t.amdgpu_hsa_module_global " << GlobalName << '\n'; +} + +void AMDGPUTargetAsmStreamer::EmitAMDGPUHsaProgramScopeGlobal( + StringRef GlobalName) { + OS << "\t.amdgpu_hsa_program_global " << GlobalName << '\n'; +} + +//===----------------------------------------------------------------------===// +// AMDGPUTargetELFStreamer +//===----------------------------------------------------------------------===// + +AMDGPUTargetELFStreamer::AMDGPUTargetELFStreamer(MCStreamer &S) + : AMDGPUTargetStreamer(S), Streamer(S) { } + +MCELFStreamer &AMDGPUTargetELFStreamer::getStreamer() { + return static_cast<MCELFStreamer &>(Streamer); +} + +void +AMDGPUTargetELFStreamer::EmitDirectiveHSACodeObjectVersion(uint32_t Major, + uint32_t Minor) { + MCStreamer &OS = getStreamer(); + MCSectionELF *Note = OS.getContext().getELFSection(".note", ELF::SHT_NOTE, 0); + + unsigned NameSZ = 4; + + OS.PushSection(); + OS.SwitchSection(Note); + OS.EmitIntValue(NameSZ, 4); // namesz + OS.EmitIntValue(8, 4); // descz + OS.EmitIntValue(NT_AMDGPU_HSA_CODE_OBJECT_VERSION, 4); // type + OS.EmitBytes(StringRef("AMD", NameSZ)); // name + OS.EmitIntValue(Major, 4); // desc + OS.EmitIntValue(Minor, 4); + OS.EmitValueToAlignment(4); + OS.PopSection(); +} + +void +AMDGPUTargetELFStreamer::EmitDirectiveHSACodeObjectISA(uint32_t Major, + uint32_t Minor, + uint32_t Stepping, + StringRef VendorName, + StringRef ArchName) { + MCStreamer &OS = getStreamer(); + MCSectionELF *Note = OS.getContext().getELFSection(".note", ELF::SHT_NOTE, 0); + + unsigned NameSZ = 4; + uint16_t VendorNameSize = VendorName.size() + 1; + uint16_t ArchNameSize = ArchName.size() + 1; + unsigned DescSZ = sizeof(VendorNameSize) + sizeof(ArchNameSize) + + sizeof(Major) + sizeof(Minor) + sizeof(Stepping) + + VendorNameSize + ArchNameSize; + + OS.PushSection(); + OS.SwitchSection(Note); + OS.EmitIntValue(NameSZ, 4); // namesz + OS.EmitIntValue(DescSZ, 4); // descsz + OS.EmitIntValue(NT_AMDGPU_HSA_ISA, 4); // type + OS.EmitBytes(StringRef("AMD", 4)); // name + OS.EmitIntValue(VendorNameSize, 2); // desc + OS.EmitIntValue(ArchNameSize, 2); + OS.EmitIntValue(Major, 4); + OS.EmitIntValue(Minor, 4); + OS.EmitIntValue(Stepping, 4); + OS.EmitBytes(VendorName); + OS.EmitIntValue(0, 1); // NULL terminate VendorName + OS.EmitBytes(ArchName); + OS.EmitIntValue(0, 1); // NULL terminte ArchName + OS.EmitValueToAlignment(4); + OS.PopSection(); +} + +void +AMDGPUTargetELFStreamer::EmitAMDKernelCodeT(const amd_kernel_code_t &Header) { + + MCStreamer &OS = getStreamer(); + OS.PushSection(); + // The MCObjectFileInfo that is available to the assembler is a generic + // implementation and not AMDGPUHSATargetObjectFile, so we can't use + // MCObjectFileInfo::getTextSection() here for fetching the HSATextSection. + OS.SwitchSection(AMDGPU::getHSATextSection(OS.getContext())); + OS.EmitBytes(StringRef((const char*)&Header, sizeof(Header))); + OS.PopSection(); +} + +void AMDGPUTargetELFStreamer::EmitAMDGPUSymbolType(StringRef SymbolName, + unsigned Type) { + MCSymbolELF *Symbol = cast<MCSymbolELF>( + getStreamer().getContext().getOrCreateSymbol(SymbolName)); + Symbol->setType(ELF::STT_AMDGPU_HSA_KERNEL); +} + +void AMDGPUTargetELFStreamer::EmitAMDGPUHsaModuleScopeGlobal( + StringRef GlobalName) { + + MCSymbolELF *Symbol = cast<MCSymbolELF>( + getStreamer().getContext().getOrCreateSymbol(GlobalName)); + Symbol->setType(ELF::STT_OBJECT); + Symbol->setBinding(ELF::STB_LOCAL); +} + +void AMDGPUTargetELFStreamer::EmitAMDGPUHsaProgramScopeGlobal( + StringRef GlobalName) { + + MCSymbolELF *Symbol = cast<MCSymbolELF>( + getStreamer().getContext().getOrCreateSymbol(GlobalName)); + Symbol->setType(ELF::STT_OBJECT); + Symbol->setBinding(ELF::STB_GLOBAL); +} |
