//===-- 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);
}