Ejemplos de init_r600_target en C++ (Cpp)

Ejemplo n.º 1

Archivo: radeon_llvm_emit.c Proyecto: ashmew2/kolibriosSVN

LLVMTargetRef radeon_llvm_get_r600_target(const char *triple)
{
	LLVMTargetRef target = NULL;
	char *err_message = NULL;

	init_r600_target();

	if (LLVMGetTargetFromTriple(triple, &target, &err_message)) {
		fprintf(stderr, "Cannot find target for triple %s ", triple);
		if (err_message) {
			fprintf(stderr, "%s\n", err_message);
		}
		LLVMDisposeMessage(err_message);
		return NULL;
	}
	return target;
}

Ejemplo n.º 2

Archivo: radeon_llvm_emit.c Proyecto: MaikuMori/mesa

/**
 * Compile an LLVM module to machine code.
 *
 * @returns 0 for success, 1 for failure
 */
unsigned radeon_llvm_compile(LLVMModuleRef M, struct radeon_llvm_binary *binary,
					  const char * gpu_family, unsigned dump) {

	LLVMTargetRef target;
	LLVMTargetMachineRef tm;
	char cpu[CPU_STRING_LEN];
	char fs[FS_STRING_LEN];
	char *err;
	LLVMMemoryBufferRef out_buffer;
	unsigned buffer_size;
	const char *buffer_data;
	char triple[TRIPLE_STRING_LEN];
	char *elf_buffer;
	Elf *elf;
	Elf_Scn *section = NULL;
	size_t section_str_index;
	LLVMBool r;

	init_r600_target();

	target = get_r600_target();
	if (!target) {
		return 1;
	}

	strncpy(cpu, gpu_family, CPU_STRING_LEN);
	memset(fs, 0, sizeof(fs));
	if (dump) {
		LLVMDumpModule(M);
		strncpy(fs, "+DumpCode", FS_STRING_LEN);
	}
	strncpy(triple, "r600--", TRIPLE_STRING_LEN);
	tm = LLVMCreateTargetMachine(target, triple, cpu, fs,
				  LLVMCodeGenLevelDefault, LLVMRelocDefault,
						  LLVMCodeModelDefault);

	r = LLVMTargetMachineEmitToMemoryBuffer(tm, M, LLVMObjectFile, &err,
								 &out_buffer);
	if (r) {
		fprintf(stderr, "%s", err);
		FREE(err);
		return 1;
	}

	buffer_size = LLVMGetBufferSize(out_buffer);
	buffer_data = LLVMGetBufferStart(out_buffer);

	/* One of the libelf implementations
	 * (http://www.mr511.de/software/english.htm) requires calling
	 * elf_version() before elf_memory().
	 */
	elf_version(EV_CURRENT);
	elf_buffer = MALLOC(buffer_size);
	memcpy(elf_buffer, buffer_data, buffer_size);

	elf = elf_memory(elf_buffer, buffer_size);

	elf_getshdrstrndx(elf, &section_str_index);
	binary->disassembled = 0;

	while ((section = elf_nextscn(elf, section))) {
		const char *name;
		Elf_Data *section_data = NULL;
		GElf_Shdr section_header;
		if (gelf_getshdr(section, &section_header) != &section_header) {
			fprintf(stderr, "Failed to read ELF section header\n");
			return 1;
		}
		name = elf_strptr(elf, section_str_index, section_header.sh_name);
		if (!strcmp(name, ".text")) {
			section_data = elf_getdata(section, section_data);
			binary->code_size = section_data->d_size;
			binary->code = MALLOC(binary->code_size * sizeof(unsigned char));
			memcpy(binary->code, section_data->d_buf, binary->code_size);
		} else if (!strcmp(name, ".AMDGPU.config")) {
			section_data = elf_getdata(section, section_data);
			binary->config_size = section_data->d_size;
			binary->config = MALLOC(binary->config_size * sizeof(unsigned char));
			memcpy(binary->config, section_data->d_buf, binary->config_size);
		} else if (dump && !strcmp(name, ".AMDGPU.disasm")) {
			binary->disassembled = 1;
			section_data = elf_getdata(section, section_data);
			fprintf(stderr, "\nShader Disassembly:\n\n");
			fprintf(stderr, "%.*s\n", (int)section_data->d_size,
						  (char *)section_data->d_buf);
		}
	}

	LLVMDisposeMemoryBuffer(out_buffer);
	LLVMDisposeTargetMachine(tm);
	return 0;
}