From: Alan Modra <amodra@gmail.com>
Date: Wed, 12 Jan 2005 11:28:28 +0000 (+0000)
Subject: include/elf/
X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;h=b4a38de6b6a4ee5fe0564e3c14a15c706ad2338b;p=deliverable%2Fbinutils-gdb.git

include/elf/
	* ppc.h (R_PPC_RELAX32_PLT, R_PPC_RELAX32PC_PLT): Define.
	(R_PPC_RELAX32, R_PPC_RELAX32PC): Adjust value.
bfd/
	* elf32-ppc.c (ppc_elf_howto_raw): Delete RELAX32* entries.
	(ppc_elf_relax_section): Use PLT variants of RELAX32 relocs for
	reaching PLT.
	(ppc_elf_relocate_section): Handle R_PPC_RELAX32_PLT and
	R_PPC_RELAX32PC_PLT.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 2c4b88a94b..ae281deb53 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+2005-01-12  Alan Modra  <amodra@bigpond.net.au>
+
+	* elf32-ppc.c (ppc_elf_howto_raw): Delete RELAX32* entries.
+	(ppc_elf_relax_section): Use PLT variants of RELAX32 relocs for
+	reaching PLT.
+	(ppc_elf_relocate_section): Handle R_PPC_RELAX32_PLT and
+	R_PPC_RELAX32PC_PLT.
+
 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
 
 	* elf64-ppc.c (ppc64_elf_gc_sweep_hook): Follow indirect and warning
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 86fb760092..cafbae0759 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -1533,35 +1533,6 @@ static reloc_howto_type ppc_elf_howto_raw[] = {
 	 0xffff,		/* dst_mask */
 	 FALSE),		/* pcrel_offset */
 
-  /* Phony relocs to handle branch stubs.  */
-  HOWTO (R_PPC_RELAX32,		/* type */
-	 0,			/* rightshift */
-	 0,			/* size */
-	 0,			/* bitsize */
-	 FALSE,			/* pc_relative */
-	 0,			/* bitpos */
-	 complain_overflow_dont, /* complain_on_overflow */
-	 bfd_elf_generic_reloc,	/* special_function */
-	 "R_PPC_RELAX32",	/* name */
-	 FALSE,			/* partial_inplace */
-	 0,			/* src_mask */
-	 0,			/* dst_mask */
-	 FALSE),		/* pcrel_offset */
-
-  HOWTO (R_PPC_RELAX32PC,	/* type */
-	 0,			/* rightshift */
-	 0,			/* size */
-	 0,			/* bitsize */
-	 FALSE,			/* pc_relative */
-	 0,			/* bitpos */
-	 complain_overflow_dont, /* complain_on_overflow */
-	 bfd_elf_generic_reloc,	/* special_function */
-	 "R_PPC_RELAX32PC",	/* name */
-	 FALSE,			/* partial_inplace */
-	 0,			/* src_mask */
-	 0,			/* dst_mask */
-	 FALSE),		/* pcrel_offset */
-
   /* GNU extension to record C++ vtable hierarchy.  */
   HOWTO (R_PPC_GNU_VTINHERIT,	/* type */
 	 0,			/* rightshift */
@@ -1867,6 +1838,12 @@ ppc_elf_relax_section (bfd *abfd,
 	      stub_rtype = R_PPC_RELAX32;
 	    }
 
+	  if (R_PPC_RELAX32_PLT - R_PPC_RELAX32
+	      != R_PPC_RELAX32PC_PLT - R_PPC_RELAX32PC)
+	    abort ();
+	  if (tsec == ppc_info->plt)
+	    stub_rtype += R_PPC_RELAX32_PLT - R_PPC_RELAX32;
+
 	  /* Hijack the old relocation.  Since we need two
 	     relocations for this use a "composite" reloc.  */
 	  irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
@@ -5422,12 +5399,27 @@ ppc_elf_relocate_section (bfd *output_bfd,
 	    }
 	  break;
 
+	case R_PPC_RELAX32PC_PLT:
+	case R_PPC_RELAX32_PLT:
+	  BFD_ASSERT (h != NULL
+		      && h->plt.offset != (bfd_vma) -1
+		      && htab->plt != NULL);
+
+	  relocation = (htab->plt->output_section->vma
+			+ htab->plt->output_offset
+			+ h->plt.offset);
+	  if (r_type == R_PPC_RELAX32_PLT)
+	    goto relax32;
+	  /* Fall thru */
+
 	case R_PPC_RELAX32PC:
 	  relocation -= (input_section->output_section->vma
 			 + input_section->output_offset
 			 + rel->r_offset - 4);
 	  /* Fall thru */
+
 	case R_PPC_RELAX32:
+	relax32:
 	  {
 	    unsigned long t0;
 	    unsigned long t1;
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 0c49618cc0..6ff970fa25 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-12  Alan Modra  <amodra@bigpond.net.au>
+
+	* ppc.h (R_PPC_RELAX32_PLT, R_PPC_RELAX32PC_PLT): Define.
+	(R_PPC_RELAX32, R_PPC_RELAX32PC): Adjust value.
+
 2004-12-22  Klaus Rudolph  <lts-rudolph@gmx.de>
 	
 	* include/elf/avr.h (R_AVR_LDI, R_AVR_6, R_AVR_6_ADIW): New
diff --git a/include/elf/ppc.h b/include/elf/ppc.h
index b510f441c6..f512630c71 100644
--- a/include/elf/ppc.h
+++ b/include/elf/ppc.h
@@ -122,8 +122,10 @@ START_RELOC_NUMBERS (elf_ppc_reloc_type)
 
 /* Fake relocations for branch stubs. This will keep them
    together.  */
-#define R_PPC_RELAX32 251
-#define R_PPC_RELAX32PC 252
+#define R_PPC_RELAX32 249
+#define R_PPC_RELAX32PC 250
+#define R_PPC_RELAX32_PLT 251
+#define R_PPC_RELAX32PC_PLT 252
 
 /* These are GNU extensions to enable C++ vtable garbage collection.  */
   RELOC_NUMBER (R_PPC_GNU_VTINHERIT,	253)