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D2241.1794324670.diff
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D2241.1794324670.diff

Index: sys/boot/efi/loader/arch/arm/reloc.c
===================================================================
--- sys/boot/efi/loader/arch/arm/reloc.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*-
- * Copyright (c) 2008-2010 Rui Paulo <rpaulo@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <elf.h>
-#include <bootstrap.h>
-
-/*
- * A simple relocator for ARM binaries.
- */
-void
-_reloc(unsigned long ImageBase, Elf32_Dyn *dynamic)
-{
- unsigned long relsz, relent;
- unsigned long *newaddr;
- Elf32_Rel *rel;
- Elf32_Dyn *dynp;
-
- /*
- * Find the relocation address, its size and the relocation entry.
- */
- relsz = 0;
- relent = 0;
- for (dynp = dynamic; dynp->d_tag != DT_NULL; dynp++) {
- switch (dynp->d_tag) {
- case DT_REL:
- rel = (Elf32_Rel *) ((unsigned long) dynp->d_un.d_ptr +
- ImageBase);
- break;
- case DT_RELSZ:
- relsz = dynp->d_un.d_val;
- break;
- case DT_RELENT:
- relent = dynp->d_un.d_val;
- break;
- default:
- break;
- }
- }
-
- /*
- * Perform the actual relocation.
- */
- for (; relsz > 0; relsz -= relent) {
- switch (ELF32_R_TYPE(rel->r_info)) {
- case R_ARM_RELATIVE:
- /* Address relative to the base address. */
- newaddr = (unsigned long *)(ImageBase + rel->r_offset);
- *newaddr += ImageBase;
- break;
- default:
- /* XXX: do we need other relocations ? */
- break;
- }
- rel = (Elf32_Rel *) ((caddr_t) rel + relent);
- }
-}
Index: sys/boot/efi/loader/arch/i386/reloc.c
===================================================================
--- sys/boot/efi/loader/arch/i386/reloc.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*-
- * Copyright (c) 2008-2010 Rui Paulo <rpaulo@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <elf.h>
-#include <efi.h>
-#include <bootstrap.h>
-
-#define ElfW_Rel Elf32_Rel
-#define ElfW_Dyn Elf32_Dyn
-#define ELFW_R_TYPE ELF32_R_TYPE
-
-/*
- * A simple relocator for IA32 EFI binaries.
- */
-EFI_STATUS
-_reloc(unsigned long ImageBase, ElfW_Dyn *dynamic, EFI_HANDLE image_handle,
- EFI_SYSTEM_TABLE *system_table)
-{
- unsigned long relsz, relent;
- unsigned long *newaddr;
- ElfW_Rel *rel;
- ElfW_Dyn *dynp;
-
- /*
- * Find the relocation address, its size and the relocation entry.
- */
- relsz = 0;
- relent = 0;
- for (dynp = dynamic; dynp->d_tag != DT_NULL; dynp++) {
- switch (dynp->d_tag) {
- case DT_REL:
- case DT_RELA:
- rel = (ElfW_Rel *) ((unsigned long) dynp->d_un.d_ptr +
- ImageBase);
- break;
- case DT_RELSZ:
- case DT_RELASZ:
- relsz = dynp->d_un.d_val;
- break;
- case DT_RELENT:
- case DT_RELAENT:
- relent = dynp->d_un.d_val;
- break;
- default:
- break;
- }
- }
-
- /*
- * Perform the actual relocation.
- */
- for (; relsz > 0; relsz -= relent) {
- switch (ELFW_R_TYPE(rel->r_info)) {
- case R_386_NONE:
- /* No relocation needs be performed. */
- break;
- case R_386_RELATIVE:
- /* Address relative to the base address. */
- newaddr = (unsigned long *)(ImageBase + rel->r_offset);
- *newaddr += ImageBase;
- break;
- default:
- /* XXX: do we need other relocations ? */
- break;
- }
- rel = (ElfW_Rel *) ((caddr_t) rel + relent);
- }
-
- return (EFI_SUCCESS);
-}
Index: sys/boot/efi/loader/reloc.c
===================================================================
--- sys/boot/efi/loader/reloc.c
+++ sys/boot/efi/loader/reloc.c
@@ -32,18 +32,20 @@
#include <efi.h>
#include <bootstrap.h>
-#ifdef __i386__
+#if defined(__arm__) || defined(__i386__)
#define ElfW_Rel Elf32_Rel
#define ElfW_Dyn Elf32_Dyn
#define ELFW_R_TYPE ELF32_R_TYPE
-#elif __amd64__
+#elif defined(__amd64__)
#define ElfW_Rel Elf64_Rel
#define ElfW_Dyn Elf64_Dyn
#define ELFW_R_TYPE ELF64_R_TYPE
+#else
+#error architecture not supported
#endif
/*
- * A simple relocator for IA32/AMD64 EFI binaries.
+ * A simple relocator for EFI binaries.
*/
EFI_STATUS
_reloc(unsigned long ImageBase, ElfW_Dyn *dynamic, EFI_HANDLE image_handle,
@@ -81,17 +83,27 @@
/*
* Perform the actual relocation.
- * XXX: We are reusing code for the amd64 version of this, but
- * we must make sure the relocation types are the same.
*/
- CTASSERT(R_386_NONE == R_X86_64_NONE);
- CTASSERT(R_386_RELATIVE == R_X86_64_RELATIVE);
for (; relsz > 0; relsz -= relent) {
switch (ELFW_R_TYPE(rel->r_info)) {
+#if defined(__amd64__)
+ case R_X86_64_NONE:
+#elif defined(__arm__)
+ case R_ARM_NONE:
+#elif defined(__i386__)
case R_386_NONE:
+#endif
/* No relocation needs be performed. */
break;
+#endif
+
+#if defined(__amd64__)
+ case R_X86_64_RELATIVE:
+#elif defined(__arm__)
+ case R_ARM_RELATIVE:
+#elif defined(__i386__)
case R_386_RELATIVE:
+#endif
/* Address relative to the base address. */
newaddr = (unsigned long *)(ImageBase + rel->r_offset);
*newaddr += ImageBase;

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