From 8a3b947c40cb36100f316ac0d433f4ae554ee4cc Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@linux.intel.com>
Date: Fri, 18 May 2012 09:52:01 -0700
Subject: x86, relocs: When printing an error, say relative or absolute

When the relocs tool throws an error, let the error message say if it
is an absolute or relative symbol.  This should make it a lot more
clear what action the programmer needs to take.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index b49c211..dce982d 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -570,10 +570,14 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
 			Elf32_Sym *sym;
 			unsigned r_type;
 			const char *symname;
+			int shn_abs;
+
 			rel = &sec->reltab[j];
 			sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
 			r_type = ELF32_R_TYPE(rel->r_info);
 
+			shn_abs = sym->st_shndx == SHN_ABS;
+
 			switch (r_type) {
 			case R_386_NONE:
 			case R_386_PC32:
@@ -589,7 +593,7 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
 				symname = sym_name(sym_strtab, sym);
 				if (!use_real_mode)
 					goto bad;
-				if (sym->st_shndx == SHN_ABS) {
+				if (shn_abs) {
 					if (is_reloc(S_ABS, symname))
 						break;
 					else if (!is_reloc(S_SEG, symname))
@@ -605,7 +609,7 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
 
 			case R_386_32:
 				symname = sym_name(sym_strtab, sym);
-				if (sym->st_shndx == SHN_ABS) {
+				if (shn_abs) {
 					if (is_reloc(S_ABS, symname))
 						break;
 					else if (!is_reloc(S_REL, symname))
@@ -623,7 +627,8 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym),
 				break;
 			bad:
 				symname = sym_name(sym_strtab, sym);
-				die("Invalid %s relocation: %s\n",
+				die("Invalid %s %s relocation: %s\n",
+				    shn_abs ? "absolute" : "relative",
 				    rel_type(r_type), symname);
 			}
 		}
-- 
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