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arc: Add debug messages during relocation fixups 

This might be useful to make sure relocation fixups really
happen. And since this info gets printed only in DEBUG
build it doesn't really hurt normal execution.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin 2016-08-03 20:45:22 +03:00
parent e1efe43c71
commit ffffcd1594
1 changed files with 7 additions and 0 deletions
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7
arch/arc/lib/relocate.c
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@ -37,6 +37,9 @@ int do_elf_reloc_fixups(void)
Elf32_Rela *re_src = (Elf32_Rela *)(&__rel_dyn_start);
Elf32_Rela *re_end = (Elf32_Rela *)(&__rel_dyn_end);
debug("Section .rela.dyn is located at %08x-%08x\n",
(unsigned int)re_src, (unsigned int)re_end);
Elf32_Addr *offset_ptr_rom, *last_offset = NULL;
Elf32_Addr *offset_ptr_ram;
@ -52,6 +55,10 @@ int do_elf_reloc_fixups(void)
offset_ptr_ram = (Elf32_Addr *)((ulong)offset_ptr_rom +
gd->reloc_off);
debug("Patching value @ %08x (relocated to %08x)\n",
(unsigned int)offset_ptr_rom,
(unsigned int)offset_ptr_ram);
/*
* Use "memcpy" because target location might be
* 16-bit aligned on ARC so we may need to read