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arm: remove unneeded symbol offsets and _TEXT_BASE

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Remove the last uses of symbol offsets in ARM U-Boot.
Remove some needless uses of _TEXT_BASE.
Remove all _TEXT_BASE definitions.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
This commit is contained in:
Albert ARIBAUD
2014-02-22 17:53:43 +01:00
parent d0b5d9da5d
commit b60eff31f3
26 changed files with 24 additions and 369 deletions
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26
include/asm-generic/sections.h
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@ -63,28 +63,16 @@ extern char __image_copy_end[];
extern void _start(void);
/*
* ARM needs to use offsets for symbols, since the values of some symbols
* are not resolved prior to relocation (and are just 0). Maybe this can be
* resolved, or maybe other architectures are similar, iwc this should be
* promoted to an architecture option.
* ARM defines its symbols as char[]. Other arches define them as ulongs.
*/
#ifdef CONFIG_ARM
#define CONFIG_SYS_SYM_OFFSETS
#endif
#ifdef CONFIG_SYS_SYM_OFFSETS
/* Start/end of the relocation entries, as an offset from _start */
extern ulong _rel_dyn_start_ofs;
extern ulong _rel_dyn_end_ofs;
/* End of the region to be relocated, as an offset form _start */
extern ulong _image_copy_end_ofs;
extern ulong _bss_start_ofs; /* BSS start relative to _start */
extern ulong _bss_end_ofs; /* BSS end relative to _start */
extern ulong _end_ofs; /* end of image relative to _start */
extern ulong _TEXT_BASE; /* code start */
extern char __bss_start[];
extern char __bss_end[];
extern char __image_copy_start[];
extern char __image_copy_end[];
extern char __rel_dyn_start[];
extern char __rel_dyn_end[];
#else /* don't use offsets: */