[U-Boot] [PATCH] arc: Add debug messages during relocation fixups

Alexey Brodkin Alexey.Brodkin at synopsys.com
Thu Aug 4 13:08:36 CEST 2016


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 at synopsys.com>
---
 arch/arc/lib/relocate.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arc/lib/relocate.c b/arch/arc/lib/relocate.c
index 5c2c2d1..7709633 100644
--- 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
-- 
2.7.4



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