treewide: rework linker symbol declarations in sections header
1. Convert all linker symbols to char[] type so that we can get the
corresponding address by calling array name 'var' or its address
'&var'. In this way, we can avoid some potential issues[1].
2. Remove unused symbol '_TEXT_BASE'. It has been abandoned and has
not been referenced by any source code.
3. Move '__data_end' to the arch x86's own sections header as it's
only used by x86 arch.
4. Remove some duplicate declared linker symbols. Now we use the
standard header file to declare them.
[1] This patch fixes the boot failure on MIPS target. Error log:
SPL: Image overlaps SPL
Fixes: 1b8a1be1a1f1 ("spl: spl_legacy: Fix spl_end address")
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arc/include/asm/sections.h b/arch/arc/include/asm/sections.h
index 1c9c9db..ffad4a6 100644
--- a/arch/arc/include/asm/sections.h
+++ b/arch/arc/include/asm/sections.h
@@ -8,7 +8,8 @@
#include <asm-generic/sections.h>
-extern ulong __ivt_start;
-extern ulong __ivt_end;
+extern char __ivt_start[];
+extern char __ivt_end[];
+extern char __text_end[];
#endif /* __ASM_ARC_SECTIONS_H */