libreboot_bin.tar.xz: Include utils as statically linked binaries

This means that the user does not have to install build dependency
or build from source anymore.

2 files changed, 0 insertions, 657 deletions

diff --git a/resources/cbfstool/patch/COPYING b/resources/cbfstool/patch/COPYING
deleted file mode 100644
index c4c97fc..0000000
--- a/resources/cbfstool/patch/COPYING
+++ /dev/null
@@ -1,2 +0,0 @@
-rmodule.c is from and part of the coreboot project. 
-Check coreboot's copyright information to see what conditions apply.
diff --git a/resources/cbfstool/patch/rmodule.c b/resources/cbfstool/patch/rmodule.c
deleted file mode 100644
index 3bee1e0..0000000
--- a/resources/cbfstool/patch/rmodule.c
+++ /dev/null
@@ -1,655 +0,0 @@
-/*
- ;* Copyright (C) 2014 Google, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "elfparsing.h"
-#include "rmodule.h"
-#include "rmodule-defs.h"
-
-struct rmod_context;
-
-struct arch_ops {
-	int arch;
-	/* Determine if relocation is a valid type for the architecture. */
-	int (*valid_type)(struct rmod_context *ctx, Elf64_Rela *rel);
-	/* Determine if relocation should be emitted. */
-	int (*should_emit)(struct rmod_context *ctx, Elf64_Rela *rel);
-};
-
-struct rmod_context {
-	/* Ops to process relocations. */
-	struct arch_ops *ops;
-
-	/* endian conversion ops */
-	struct xdr *xdr;
-
-	/* Parsed ELF sturcture. */
-	struct parsed_elf pelf;
-	/* Program segment. */
-	Elf64_Phdr *phdr;
-
-	/* Collection of relocation addresses fixup in the module. */
-	Elf64_Xword nrelocs;
-	Elf64_Addr *emitted_relocs;
-
-	/* The following fields are addresses within the linked program. */
-	Elf64_Addr link_addr;
-	Elf64_Addr entry;
-	Elf64_Addr parameters_begin;
-	Elf64_Addr parameters_end;
-	Elf64_Addr bss_begin;
-	Elf64_Addr bss_end;
-	Elf64_Xword size;
-};
-
-/*
- * Architecture specific support operations.
- */
-static int valid_reloc_386(struct rmod_context *ctx, Elf64_Rela *rel)
-{
-	int type;
-
-	type = ELF64_R_TYPE(rel->r_info);
-
-	/* Only these 2 relocations are expected to be found. */
-	return (type == R_386_32 || type == R_386_PC32);
-}
-
-static int should_emit_386(struct rmod_context *ctx, Elf64_Rela *rel)
-{
-	int type;
-
-	type = ELF64_R_TYPE(rel->r_info);
-
-	/* R_386_32 relocations are absolute. Must emit these. */
-	return (type == R_386_32);
-}
-
-static int valid_reloc_arm(struct rmod_context *ctx, Elf64_Rela *rel)
-{
-	int type;
-
-	type = ELF64_R_TYPE(rel->r_info);
-
-	/* Only these 3 relocations are expected to be found. */
-	return (type == R_ARM_ABS32 || type == R_ARM_THM_PC22 ||
-                type == R_ARM_THM_JUMP24);
-}
-
-static int should_emit_arm(struct rmod_context *ctx, Elf64_Rela *rel)
-{
-	int type;
-
-	type = ELF64_R_TYPE(rel->r_info);
-
-	/* R_ARM_ABS32 relocations are absolute. Must emit these. */
-	return (type == R_ARM_ABS32);
-}
-
-static struct arch_ops reloc_ops[] = {
-	{
-		.arch = EM_386,
-		.valid_type = valid_reloc_386,
-		.should_emit = should_emit_386,
-	},
-	{
-		.arch = EM_ARM,
-		.valid_type = valid_reloc_arm,
-		.should_emit = should_emit_arm,
-	},
-};
-
-/*
- * Relocation processing loops.
- */
-
-static int for_each_reloc(struct rmod_context *ctx, int do_emit)
-{
-	Elf64_Half i;
-	struct parsed_elf *pelf = &ctx->pelf;
-
-	for (i = 0; i < pelf->ehdr.e_shnum; i++) {
-		Elf64_Shdr *shdr;
-		Elf64_Rela *relocs;
-		Elf64_Xword nrelocs;
-		Elf64_Xword j;
-
-		relocs = pelf->relocs[i];
-
-		/* No relocations in this section. */
-		if (relocs == NULL)
-			continue;
-
-		shdr = &pelf->shdr[i];
-		nrelocs = shdr->sh_size / shdr->sh_entsize;
-
-		for (j = 0; j < nrelocs; j++) {
-			Elf64_Rela *r = &relocs[j];
-
-			if (!ctx->ops->valid_type(ctx, r)) {
-				ERROR("Invalid reloc type: %u\n",
-				      (unsigned int)ELF64_R_TYPE(r->r_info));
-				return -1;
-			}
-
-			if (ctx->ops->should_emit(ctx, r)) {
-				int n = ctx->nrelocs;
-				if (do_emit)
-					ctx->emitted_relocs[n] = r->r_offset;
-				ctx->nrelocs++;
-			}
-		}
-	}
-
-	return 0;
-}
-
-static int find_program_segment(struct rmod_context *ctx)
-{
-	int i;
-	int nsegments;
-	struct parsed_elf *pelf;
-	Elf64_Phdr *phdr;
-
-	pelf = &ctx->pelf;
-
-	/* There should only be a single loadable segment. */
-	nsegments = 0;
-	for (i = 0; i < pelf->ehdr.e_phnum; i++) {
-		if (pelf->phdr[i].p_type != PT_LOAD)
-			continue;
-		phdr = &pelf->phdr[i];
-		nsegments++;
-	}
-
-	if (nsegments != 1) {
-		ERROR("Unexepcted number of loadable segments: %d.\n",
-		      nsegments);
-		return -1;
-	}
-
-	INFO("Segment at 0x%0llx, file size 0x%0llx, mem size 0x%0llx.\n",
-	     (long long)phdr->p_vaddr, (long long)phdr->p_filesz,
-	     (long long)phdr->p_memsz);
-
-	ctx->phdr = phdr;
-
-	return 0;
-}
-
-static int
-filter_relocation_sections(struct rmod_context *ctx)
-{
-	int i;
-	const char *shstrtab;
-	struct parsed_elf *pelf;
-	const Elf64_Phdr *phdr;
-
-	pelf = &ctx->pelf;
-	phdr = ctx->phdr;
-	shstrtab = buffer_get(pelf->strtabs[pelf->ehdr.e_shstrndx]);
-
-	/*
-	 * Find all relocation sections that contain relocation entries
-	 * for sections that fall within the bounds of the segment. For
-	 * easier processing the pointer to the relocation array for the
-	 * sections that don't fall within the loadable program are NULL'd
-	 * out.
-	 */
-	for (i = 0; i < pelf->ehdr.e_shnum; i++) {
-		Elf64_Shdr *shdr;
-		Elf64_Word sh_info;
-		const char *section_name;
-
-		shdr = &pelf->shdr[i];
-
-		/* Ignore non-relocation sections. */
-		if (shdr->sh_type != SHT_RELA && shdr->sh_type != SHT_REL)
-			continue;
-
-		/* Obtain section which relocations apply. */
-		sh_info = shdr->sh_info;
-		shdr = &pelf->shdr[sh_info];
-
-		section_name = &shstrtab[shdr->sh_name];
-		DEBUG("Relocation section found for '%s' section.\n",
-		      section_name);
-
-		/* Do not process relocations for debug sections. */
-		if (strstr(section_name, ".debug") != NULL) {
-			pelf->relocs[i] = NULL;
-			continue;
-		}
-
-		/*
-		 * If relocations apply to a non program section ignore the
-		 * relocations for future processing.
-		 */
-		if (shdr->sh_type != SHT_PROGBITS) {
-			pelf->relocs[i] = NULL;
-			continue;
-		}
-
-		if (shdr->sh_addr < phdr->p_vaddr ||
-		    ((shdr->sh_addr + shdr->sh_size) >
-		     (phdr->p_vaddr + phdr->p_memsz))) {
-			ERROR("Relocations being applied to section %d not "
-			      "within segment region.\n", sh_info);
-			return -1;
-		}
-	}
-
-	return 0;
-}
-
-static int vaddr_cmp(const void *a, const void *b)
-{
-	const Elf64_Addr *pa = a;
-	const Elf64_Addr *pb = b;
-
-	if (*pa < *pb)
-		return -1;
-	if (*pa > *pb)
-		return 1;
-	return 0;
-}
-
-static int collect_relocations(struct rmod_context *ctx)
-{
-	int nrelocs;
-
-	/*
-	 * The relocs array in the pelf should only contain relocations that
-	 * apply to the program. Count the number relocations. Then collect
-	 * them into the allocated buffer.
-	 */
-	if (for_each_reloc(ctx, 0))
-		return -1;
-
-	nrelocs = ctx->nrelocs;
-	INFO("%d relocations to be emitted.\n", nrelocs);
-	if (!nrelocs)
-		return 0;
-
-	/* Reset the counter for indexing into the array. */
-	ctx->nrelocs = 0;
-	ctx->emitted_relocs = calloc(nrelocs, sizeof(Elf64_Addr));
-	/* Write out the relocations into the emitted_relocs array. */
-	if (for_each_reloc(ctx, 1))
-		return -1;
-
-	if (ctx->nrelocs != nrelocs) {
-		ERROR("Mismatch counted and emitted relocations: %zu vs %zu.\n",
-		      (size_t)nrelocs, (size_t)ctx->nrelocs);
-		return -1;
-	}
-
-	/* Sort the relocations by their address. */
-	qsort(ctx->emitted_relocs, nrelocs, sizeof(Elf64_Addr), vaddr_cmp);
-
-	return 0;
-}
-
-static int
-populate_sym(struct rmod_context *ctx, const char *sym_name, Elf64_Addr *addr,
-             int nsyms, const char *strtab)
-{
-	int i;
-	Elf64_Sym *syms;
-
-	syms = ctx->pelf.syms;
-
-	for (i = 0; i < nsyms; i++) {
-		if (syms[i].st_name == 0)
-			continue;
-		if (strcmp(sym_name, &strtab[syms[i].st_name]))
-			continue;
-		DEBUG("%s -> 0x%llx\n", sym_name, (long long)syms[i].st_value);
-		*addr = syms[i].st_value;
-		return 0;
-	}
-	ERROR("symbol '%s' not found.\n", sym_name);
-	return -1;
-}
-
-static int populate_program_info(struct rmod_context *ctx)
-{
-	int i;
-	const char *strtab;
-	struct parsed_elf *pelf;
-	Elf64_Ehdr *ehdr;
-	int nsyms;
-
-	pelf = &ctx->pelf;
-	ehdr = &pelf->ehdr;
-
-	/* Obtain the string table. */
-	strtab = NULL;
-	for (i = 0; i < ehdr->e_shnum; i++) {
-		if (ctx->pelf.strtabs[i] == NULL)
-			continue;
-		/* Don't use the section headers' string table. */
-		if (i == ehdr->e_shstrndx)
-			continue;
-		strtab = buffer_get(ctx->pelf.strtabs[i]);
-		break;
-	}
-
-	if (strtab == NULL) {
-		ERROR("No string table found.\n");
-		return -1;
-	}
-
-	/* Determine number of symbols. */
-	nsyms = 0;
-	for (i = 0; i < ehdr->e_shnum; i++) {
-		if (pelf->shdr[i].sh_type != SHT_SYMTAB)
-			continue;
-
-		nsyms = pelf->shdr[i].sh_size / pelf->shdr[i].sh_entsize;
-		break;
-	}
-
-	if (populate_sym(ctx, "_module_params_begin", &ctx->parameters_begin,
-	                 nsyms, strtab))
-		return -1;
-
-	if (populate_sym(ctx, "_module_params_end", &ctx->parameters_end,
-	                 nsyms, strtab))
-		return -1;
-
-	if (populate_sym(ctx, "_bss", &ctx->bss_begin, nsyms, strtab))
-		return -1;
-
-	if (populate_sym(ctx, "_ebss", &ctx->bss_end, nsyms, strtab))
-		return -1;
-
-	if (populate_sym(ctx, "__rmodule_entry", &ctx->entry, nsyms, strtab))
-		return -1;
-
-	/* Link address is the virtual address of the program segment. */
-	ctx->link_addr = ctx->phdr->p_vaddr;
-
-	/* The program size is the memsz of the program segment. */
-	ctx->size = ctx->phdr->p_memsz;
-
-	return 0;
-}
-
-static int
-add_section(struct elf_writer *ew, struct buffer *data, const char *name,
-            Elf64_Addr addr, Elf64_Word size)
-{
-	Elf64_Shdr shdr;
-	int ret;
-
-	memset(&shdr, 0, sizeof(shdr));
-	if (data != NULL) {
-		shdr.sh_type = SHT_PROGBITS;
-		shdr.sh_flags = SHF_ALLOC | SHF_WRITE | SHF_EXECINSTR;
-	} else {
-		shdr.sh_type = SHT_NOBITS;
-		shdr.sh_flags = SHF_ALLOC;
-	}
-	shdr.sh_addr = addr;
-	shdr.sh_offset = addr;
-	shdr.sh_size = size;
-
-	ret = elf_writer_add_section(ew, &shdr, data, name);
-
-	if (ret)
-		ERROR("Could not add '%s' section.\n", name);
-
-	return ret;
-}
-
-static int
-write_elf(const struct rmod_context *ctx, const struct buffer *in,
-          struct buffer *out)
-{
-	int i;
-	int ret;
-	int bit64;
-	size_t loc;
-	size_t rmod_data_size;
-	struct elf_writer *ew;
-	struct buffer rmod_data;
-	struct buffer rmod_header;
-	struct buffer program;
-	struct buffer relocs;
-	Elf64_Xword total_size;
-	Elf64_Addr addr;
-	Elf64_Ehdr ehdr;
-
-	bit64 = ctx->pelf.ehdr.e_ident[EI_CLASS] == ELFCLASS64;
-
-	/*
-	 * 3 sections will be added  to the ELF file.
-	 * +------------------+
-	 * |  rmodule header  |
-	 * +------------------+
-	 * |     program      |
-	 * +------------------+
-	 * |   relocations    |
-	 * +------------------+
-	 */
-
-	/* Create buffer for header and relocations. */
-	rmod_data_size = sizeof(struct rmodule_header);
-	if (bit64)
-		rmod_data_size += ctx->nrelocs * sizeof(Elf64_Addr);
-	else
-		rmod_data_size += ctx->nrelocs * sizeof(Elf32_Addr);
-
-	if (buffer_create(&rmod_data, rmod_data_size, "rmod"))
-		return -1;
-
-	buffer_splice(&rmod_header, &rmod_data,
-	              0, sizeof(struct rmodule_header));
-	buffer_clone(&relocs, &rmod_data);
-	buffer_seek(&relocs, sizeof(struct rmodule_header));
-
-	/* Reset current location. */
-	buffer_set_size(&rmod_header, 0);
-	buffer_set_size(&relocs, 0);
-
-	/* Program contents. */
-	buffer_splice(&program, in, ctx->phdr->p_offset, ctx->phdr->p_filesz);
-
-	/* Create ELF writer with modified entry point. */
-	memcpy(&ehdr, &ctx->pelf.ehdr, sizeof(ehdr));
-	ehdr.e_entry = ctx->entry;
-	ew = elf_writer_init(&ehdr);
-
-	if (ew == NULL) {
-		ERROR("Failed to create ELF writer.\n");
-		buffer_delete(&rmod_data);
-		return -1;
-	}
-
-	/* Write out rmodule_header. */
-	ctx->xdr->put16(&rmod_header, RMODULE_MAGIC);
-	ctx->xdr->put8(&rmod_header, RMODULE_VERSION_1);
-	ctx->xdr->put8(&rmod_header, 0);
-	/* payload_begin_offset */
-	loc = sizeof(struct rmodule_header);
-	ctx->xdr->put32(&rmod_header, loc);
-	/* payload_end_offset */
-	loc += ctx->phdr->p_filesz;
-	ctx->xdr->put32(&rmod_header, loc);
-	/* relocations_begin_offset */
-	ctx->xdr->put32(&rmod_header, loc);
-	/* relocations_end_offset */
-	if (bit64)
-		loc += ctx->nrelocs * sizeof(Elf64_Addr);
-	else
-		loc += ctx->nrelocs * sizeof(Elf32_Addr);
-	ctx->xdr->put32(&rmod_header, loc);
-	/* module_link_start_address */
-	ctx->xdr->put32(&rmod_header, ctx->link_addr);
-	/* module_program_size */
-	ctx->xdr->put32(&rmod_header, ctx->size);
-	/* module_entry_point */
-	ctx->xdr->put32(&rmod_header, ctx->entry);
-	/* parameters_begin */
-	ctx->xdr->put32(&rmod_header, ctx->parameters_begin);
-	/* parameters_end */
-	ctx->xdr->put32(&rmod_header, ctx->parameters_end);
-	/* bss_begin */
-	ctx->xdr->put32(&rmod_header, ctx->bss_begin);
-	/* bss_end */
-	ctx->xdr->put32(&rmod_header, ctx->bss_end);
-	/* padding[4] */
-	ctx->xdr->put32(&rmod_header, 0);
-	ctx->xdr->put32(&rmod_header, 0);
-	ctx->xdr->put32(&rmod_header, 0);
-	ctx->xdr->put32(&rmod_header, 0);
-
-	/* Write the relocations. */
-	for (i = 0; i < ctx->nrelocs; i++) {
-		if (bit64)
-			ctx->xdr->put64(&relocs, ctx->emitted_relocs[i]);
-		else
-			ctx->xdr->put32(&relocs, ctx->emitted_relocs[i]);
-	}
-
-	total_size = 0;
-	addr = 0;
-
-	/*
-	 * There are 2 cases to deal with. The program has a large NOBITS
-	 * section and the relocations can fit entirely within occupied memory
-	 * region for the program. The other is that the relocations increase
-	 * the memory footprint of the program if it was loaded directly into
-	 * the region it would run. The rmdoule header is a fixed cost that
-	 * is considered a part of the program.
-	 */
-	total_size += buffer_size(&rmod_header);
-	if (buffer_size(&relocs) + ctx->phdr->p_filesz > ctx->phdr->p_memsz) {
-		total_size += buffer_size(&relocs);
-		total_size += ctx->phdr->p_filesz;
-	} else {
-		total_size += ctx->phdr->p_memsz;
-	}
-
-	ret = add_section(ew, &rmod_header, ".header", addr,
-	                  buffer_size(&rmod_header));
-	if (ret < 0)
-		goto out;
-	addr += buffer_size(&rmod_header);
-
-	ret = add_section(ew, &program, ".program", addr, ctx->phdr->p_filesz);
-	if (ret < 0)
-		goto out;
-	addr += ctx->phdr->p_filesz;
-
-	if (ctx->nrelocs) {
-		ret = add_section(ew, &relocs, ".relocs", addr,
-				  buffer_size(&relocs));
-		if (ret < 0)
-			goto out;
-		addr += buffer_size(&relocs);
-	}
-
-	if (total_size != addr) {
-		ret = add_section(ew, NULL, ".empty", addr, total_size - addr);
-		if (ret < 0)
-			goto out;
-	}
-
-	/*
-	 * Ensure last section has a memory usage that meets the required
-	 * total size of the program in memory.
-	 */
-
-	ret = elf_writer_serialize(ew, out);
-	if (ret < 0)
-		ERROR("Failed to serialize ELF to buffer.\n");
-
-out:
-	buffer_delete(&rmod_data);
-	elf_writer_destroy(ew);
-
-	return ret;
-}
-
-int rmodule_create(const struct buffer *elfin, struct buffer *elfout)
-{
-	struct rmod_context ctx;
-	struct parsed_elf *pelf;
-	int i;
-	int ret;
-
-	ret = -1;
-	memset(&ctx, 0, sizeof(ctx));
-	pelf = &ctx.pelf;
-
-	if (parse_elf(elfin, pelf, ELF_PARSE_ALL)) {
-		ERROR("Couldn't parse ELF!\n");
-		return -1;
-	}
-
-	/* Only allow executables to be turned into rmodules. */
-	if (pelf->ehdr.e_type != ET_EXEC) {
-		ERROR("ELF is not an executable: %u.\n", pelf->ehdr.e_type);
-		goto out;
-	}
-
-	/* Determine if architecture is supported. */
-	for (i = 0; i < ARRAY_SIZE(reloc_ops); i++) {
-		if (reloc_ops[i].arch == pelf->ehdr.e_machine) {
-			ctx.ops = &reloc_ops[i];
-			break;
-		}
-	}
-
-	if (ctx.ops == NULL) {
-		ERROR("ELF is unsupported arch: %u.\n", pelf->ehdr.e_machine);
-		goto out;
-	}
-
-	/* Set the endian ops. */
-	if (ctx.pelf.ehdr.e_ident[EI_DATA] == ELFDATA2MSB)
-		ctx.xdr = &xdr_be;
-	else
-		ctx.xdr = &xdr_le;
-
-	if (find_program_segment(&ctx))
-		goto out;
-
-	if (filter_relocation_sections(&ctx))
-		goto out;
-
-	if (collect_relocations(&ctx))
-		goto out;
-
-	if (populate_program_info(&ctx))
-		goto out;
-
-	if (write_elf(&ctx, elfin, elfout))
-		goto out;
-
-	ret = 0;
-
-out:
-	free(ctx.emitted_relocs);
-	parsed_elf_destroy(pelf);
-	return ret;
-}