patches/binutils/2.15/200-arm-undef-imm.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Jul 28 21:32:33 2008 +0000 (2008-07-28)
changeset 747 d3e603e7c17c
parent 745 patches/binutils/2.15/750-arm-undef-imm.patch@e445c00d134d
permissions -rw-r--r--
Fourth step at renaming patches: renumber all patches with a 10-step.
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From http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gas/config/tc-arm.c.diff?r1=1.168&r2=1.169&cvsroot=src
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See also http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2004-July/023128.html,
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"[CRITICAL PATCH] 2.6: fix silent build error]"
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Revision 1.169, Fri Jul 2 11:12:29 2004 UTC (19 hours, 4 minutes ago) by nickc
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Branch: MAIN
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CVS Tags: binutils_latest_snapshot, HEAD
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Changes since 1.168: +14 -1 lines
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(md_apply_fix3:BFD_RELOC_ARM_IMMEDIATE): Do not allow values which have come
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from undefined symbols.
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Always consider this fixup to have been processed as a reloc cannot be
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generated for it.
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===================================================================
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RCS file: /cvs/src/src/gas/config/tc-arm.c,v
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retrieving revision 1.168
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retrieving revision 1.169
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diff -u -r1.168 -r1.169
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--- src/gas/config/tc-arm.c	2004/04/30 10:51:12	1.168
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+++ src/gas/config/tc-arm.c	2004/07/02 11:12:29	1.169
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@@ -12186,6 +12186,20 @@
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   switch (fixP->fx_r_type)
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     {
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     case BFD_RELOC_ARM_IMMEDIATE:
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+      /* We claim that this fixup has been processed here,
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+	 even if in fact we generate an error because we do
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+	 not have a reloc for it, so tc_gen_reloc will reject it.  */
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+      fixP->fx_done = 1;
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+
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+      if (fixP->fx_addsy
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+	  && ! S_IS_DEFINED (fixP->fx_addsy))
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+	{
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+	  as_bad_where (fixP->fx_file, fixP->fx_line,
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+			_("undefined symbol %s used as an immediate value"),
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+			S_GET_NAME (fixP->fx_addsy));
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+	  break;
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+	}
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+
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       newimm = validate_immediate (value);
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       temp = md_chars_to_number (buf, INSN_SIZE);
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@@ -12202,7 +12216,6 @@
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       newimm |= (temp & 0xfffff000);
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       md_number_to_chars (buf, (valueT) newimm, INSN_SIZE);
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-      fixP->fx_done = 1;
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       break;
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     case BFD_RELOC_ARM_ADRL_IMMEDIATE: