diff options
| -rw-r--r-- | Makefile | 5 | ||||
| -rw-r--r-- | tools/Makefile | 2 | ||||
| -rw-r--r-- | tools/imagetool.c | 35 | ||||
| -rw-r--r-- | tools/imagetool.h | 56 | ||||
| -rw-r--r-- | tools/imagetool.lds | 24 |
5 files changed, 67 insertions, 55 deletions
@@ -281,6 +281,11 @@ os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") + +# since Lion (10.7) ASLR is on by default, but we use linker generated lists +# in some host tools which is a problem then ... so disable ASLR for these +# tools +HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") endif # Decide whether to build built-in, modular, or both. diff --git a/tools/Makefile b/tools/Makefile index e4b23eb..88770b0 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -128,8 +128,6 @@ HOSTLOADLIBES_dumpimage := $(HOSTLOADLIBES_mkimage) HOSTLOADLIBES_fit_info := $(HOSTLOADLIBES_mkimage) HOSTLOADLIBES_fit_check_sign := $(HOSTLOADLIBES_mkimage) -HOSTLDFLAGS += -T $(srctree)/tools/imagetool.lds - hostprogs-$(CONFIG_EXYNOS5250) += mkexynosspl hostprogs-$(CONFIG_EXYNOS5420) += mkexynosspl HOSTCFLAGS_mkexynosspl.o := -pedantic diff --git a/tools/imagetool.c b/tools/imagetool.c index 148e466..4b0b73d 100644 --- a/tools/imagetool.c +++ b/tools/imagetool.c @@ -12,16 +12,16 @@ struct image_type_params *imagetool_get_type(int type) { - struct image_type_params *curr; - struct image_type_params *start = ll_entry_start( - struct image_type_params, image_type); - struct image_type_params *end = ll_entry_end( - struct image_type_params, image_type); + struct image_type_params **curr; + INIT_SECTION(image_type); + + struct image_type_params **start = __start_image_type; + struct image_type_params **end = __stop_image_type; for (curr = start; curr != end; curr++) { - if (curr->check_image_type) { - if (!curr->check_image_type(type)) - return curr; + if ((*curr)->check_image_type) { + if (!(*curr)->check_image_type(type)) + return *curr; } } return NULL; @@ -34,16 +34,15 @@ int imagetool_verify_print_header( struct image_tool_params *params) { int retval = -1; - struct image_type_params *curr; + struct image_type_params **curr; + INIT_SECTION(image_type); - struct image_type_params *start = ll_entry_start( - struct image_type_params, image_type); - struct image_type_params *end = ll_entry_end( - struct image_type_params, image_type); + struct image_type_params **start = __start_image_type; + struct image_type_params **end = __stop_image_type; for (curr = start; curr != end; curr++) { - if (curr->verify_header) { - retval = curr->verify_header((unsigned char *)ptr, + if ((*curr)->verify_header) { + retval = (*curr)->verify_header((unsigned char *)ptr, sbuf->st_size, params); if (retval == 0) { @@ -51,12 +50,12 @@ int imagetool_verify_print_header( * Print the image information if verify is * successful */ - if (curr->print_header) { - curr->print_header(ptr); + if ((*curr)->print_header) { + (*curr)->print_header(ptr); } else { fprintf(stderr, "%s: print_header undefined for %s\n", - params->cmdname, curr->name); + params->cmdname, (*curr)->name); } break; } diff --git a/tools/imagetool.h b/tools/imagetool.h index f35dec7..3e15b4e 100644 --- a/tools/imagetool.h +++ b/tools/imagetool.h @@ -20,15 +20,6 @@ #include <unistd.h> #include <u-boot/sha1.h> -/* define __KERNEL__ in order to get the definitions - * required by the linker list. This is probably not - * the best way to do this */ -#ifndef __KERNEL__ -#define __KERNEL__ -#include <linker_lists.h> -#undef __KERNEL__ -#endif /* __KERNEL__ */ - #include "fdt_host.h" #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) @@ -194,6 +185,46 @@ int imagetool_save_subimage( void pbl_load_uboot(int fd, struct image_tool_params *mparams); +#define ___cat(a, b) a ## b +#define __cat(a, b) ___cat(a, b) + +/* we need some special handling for this host tool running eventually on + * Darwin. The Mach-O section handling is a bit different than ELF section + * handling. The differnces in detail are: + * a) we have segments which have sections + * b) we need a API call to get the respective section symbols */ +#if defined(__MACH__) +#include <mach-o/getsect.h> + +#define INIT_SECTION(name) do { \ + unsigned long name ## _len; \ + char *__cat(pstart_, name) = getsectdata("__TEXT", \ + #name, &__cat(name, _len)); \ + char *__cat(pstop_, name) = __cat(pstart_, name) + \ + __cat(name, _len); \ + __cat(__start_, name) = (void *)__cat(pstart_, name); \ + __cat(__stop_, name) = (void *)__cat(pstop_, name); \ + } while (0) +#define SECTION(name) __attribute__((section("__TEXT, " #name))) + +struct image_type_params **__start_image_type, **__stop_image_type; +#else +#define INIT_SECTION(name) /* no-op for ELF */ +#define SECTION(name) __attribute__((section(#name))) + +/* We construct a table of pointers in an ELF section (pointers generally + * go unpadded by gcc). ld creates boundary syms for us. */ +extern struct image_type_params *__start_image_type[], *__stop_image_type[]; +#endif /* __MACH__ */ + +#if !defined(__used) +# if __GNUC__ == 3 && __GNUC_MINOR__ < 3 +# define __used __attribute__((__unused__)) +# else +# define __used __attribute__((__used__)) +# endif +#endif + #define U_BOOT_IMAGE_TYPE( \ _id, \ _name, \ @@ -208,7 +239,8 @@ void pbl_load_uboot(int fd, struct image_tool_params *mparams); _fflag_handle, \ _vrec_header \ ) \ - ll_entry_declare(struct image_type_params, _id, image_type) = { \ + static struct image_type_params __cat(image_type_, _id) = \ + { \ .name = _name, \ .header_size = _header_size, \ .hdr = _header, \ @@ -220,6 +252,8 @@ void pbl_load_uboot(int fd, struct image_tool_params *mparams); .check_image_type = _check_image_type, \ .fflag_handle = _fflag_handle, \ .vrec_header = _vrec_header \ - } + }; \ + static struct image_type_params *SECTION(image_type) __used \ + __cat(image_type_ptr_, _id) = &__cat(image_type_, _id) #endif /* _IMAGETOOL_H_ */ diff --git a/tools/imagetool.lds b/tools/imagetool.lds deleted file mode 100644 index 7e92b4a..0000000 --- a/tools/imagetool.lds +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright (c) 2011-2012 The Chromium OS Authors. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -SECTIONS -{ - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - __u_boot_sandbox_option_start = .; - _u_boot_sandbox_getopt : { *(.u_boot_sandbox_getopt) } - __u_boot_sandbox_option_end = .; - - __bss_start = .; -} - -INSERT BEFORE .data; |