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PowerPC, use size_t rather than long for indices

This is fussing about nothing really but since I was looking at signed
vs. unsigned issues, I decided to use the correct types here.

	* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Use size_t for vars.
	* elf64-ppc.c (sym_exists_at): Use size_t for lo, hi and mid.

diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 71c35ad787..9c1d1b30d8 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -1802,7 +1802,7 @@ ppc_elf_get_synthetic_symtab (bfd *abfd, long symcount, asymbol **syms,
   bfd_vma stub_off;
   asymbol *s;
   arelent *p;
-  long count, i, stub_delta;
+  size_t count, i, stub_delta;
   size_t size;
   char *names;
   bfd_byte buf[4];
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 52a96cffc1..e475421951 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -2120,9 +2120,10 @@ compare_symbols (const void *ap, const void *bp)
 /* Search SYMS for a symbol of the given VALUE.  */
 static asymbol *
-sym_exists_at (asymbol **syms, long lo, long hi, unsigned int id, bfd_vma value)
+sym_exists_at (asymbol **syms, size_t lo, size_t hi, unsigned int id,
+	       bfd_vma value)
-  long mid;
+  size_t mid;
   if (id == (unsigned) -1)

Alan Modra
Australia Development Lab, IBM

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