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>

diff --git a/arch/arc/lib/relocate.c b/arch/arc/lib/relocate.c
index 5c2c2d19309b184ad9b62798cc667057c2fa216b..7709633d5be124d610f9ceef86a6b90c7ee669ec 100644 (file)
--- a/arch/arc/lib/relocate.c
+++ b/arch/arc/lib/relocate.c
@@ -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