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| author | Albert Aribaud <albert.aribaud@free.fr> | 2010-10-11 13:13:28 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-10-13 10:10:21 +0200 |
| commit | 92d5ecba47feb9961c3b7525e947866c5f0d2de5 (patch) | |
| tree | fd0917489d0f6c5b55bc5b32fe1e7247c6817f73 /arch/arm/include/asm | |
| parent | 89bca0ab697fc75160dd0d685d7cb2ed26609a6d (diff) | |
| download | u-boot-imx-92d5ecba47feb9961c3b7525e947866c5f0d2de5.zip u-boot-imx-92d5ecba47feb9961c3b7525e947866c5f0d2de5.tar.gz u-boot-imx-92d5ecba47feb9961c3b7525e947866c5f0d2de5.tar.bz2 | |
arm: implement ELF relocations
ELF relocation tables generated with linker option -pie can
be used to fixup code and data in a single loop at relocation,
removing the need for manual fixups anywhere else in the code.
Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/config.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/u-boot-arm.h | 14 |
2 files changed, 7 insertions, 9 deletions
diff --git a/arch/arm/include/asm/config.h b/arch/arm/include/asm/config.h index 4e8dfd7..8d3eb10 100644 --- a/arch/arm/include/asm/config.h +++ b/arch/arm/include/asm/config.h @@ -21,8 +21,6 @@ #ifndef _ASM_CONFIG_H_ #define _ASM_CONFIG_H_ -#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC) /* Relocation to SDRAM works on all ARM boards */ #define CONFIG_RELOC_FIXUP_WORKS #endif -#endif diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h index faf800a..4ac4f61 100644 --- a/arch/arm/include/asm/u-boot-arm.h +++ b/arch/arm/include/asm/u-boot-arm.h @@ -30,18 +30,18 @@ #define _U_BOOT_ARM_H_ 1 /* for the following variables, see start.S */ -extern ulong _bss_start; /* code + data end == BSS start */ -extern ulong _bss_end; /* BSS end */ +extern ulong _bss_start_ofs; /* BSS start relative to _start */ +extern ulong _bss_end_ofs; /* BSS end relative to _start */ extern ulong IRQ_STACK_START; /* top of IRQ stack */ extern ulong FIQ_STACK_START; /* top of FIQ stack */ #if defined(CONFIG_SYS_ARM_WITHOUT_RELOC) -extern ulong _armboot_start; /* code start */ +extern ulong _armboot_start_ofs; /* code start */ #else extern ulong _TEXT_BASE; /* code start */ -extern ulong _datarel_start; -extern ulong _datarelrolocal_start; -extern ulong _datarellocal_start; -extern ulong _datarelro_start; +extern ulong _datarel_start_ofs; +extern ulong _datarelrolocal_start_ofs; +extern ulong _datarellocal_start_ofs; +extern ulong _datarelro_start_ofs; extern ulong IRQ_STACK_START_IN; /* 8 bytes in IRQ stack */ #endif |