patches/binutils/2.20.1/290-ld-stub-crash.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Mar 14 22:16:01 2011 +0100 (2011-03-14)
changeset 2335 805e9f2a06fa
parent 1700 eccc37dd1a25
permissions -rw-r--r--
samples: new PPC e300c3 sample

Gustavo wrote:

---8<---
Attached my ct-ng e300c3 toolchain config for:

powerpc-e300c3-linux-gnu [l X]
OS : linux-2.6.36.3
Companion libs : gmp-5.0.1 mpfr-3.0.0 ppl-0.10.2 cloog-ppl-0.15.10 mpc-0.8.2 libelf-0.8.13
binutils : binutils-2.21
C compiler : gcc-4.5.2 (C,C++)
C library : eglibc-2_12
Tools :
---8<---

Reported-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
["Yann E. MORIN" : updated to match new config options]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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diff -p -c -u -r1.196 elf32-arm.c
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diff -durN binutils-2.20.1.orig/bfd/elf32-arm.c binutils-2.20.1/bfd/elf32-arm.c
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--- binutils-2.20.1.orig/bfd/elf32-arm.c	2010-02-22 09:06:48.000000000 +0100
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+++ binutils-2.20.1/bfd/elf32-arm.c	2010-08-17 19:32:25.000000000 +0200
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@@ -3194,11 +3194,15 @@
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 	  /* We have an extra 2-bytes reach because of
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 	     the mode change (bit 24 (H) of BLX encoding).  */
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+	  /* A stub is needed only if this call is not throught a PLT
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+	     entry, because PLT stubs handle mode switching
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+	     already.  */
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 	  if (branch_offset > (ARM_MAX_FWD_BRANCH_OFFSET + 2)
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 	      || (branch_offset < ARM_MAX_BWD_BRANCH_OFFSET)
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-	      || ((r_type == R_ARM_CALL) && !globals->use_blx)
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-	      || (r_type == R_ARM_JUMP24)
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-	      || (r_type == R_ARM_PLT32))
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+	      || ( (((r_type == R_ARM_CALL) && !globals->use_blx)
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+		    || (r_type == R_ARM_JUMP24)
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+		    || (r_type == R_ARM_PLT32))
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+		   && !use_plt))
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 	    {
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 	      stub_type = (info->shared | globals->pic_veneer)
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 		/* PIC stubs.  */