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authorNick Clifton <nickc@redhat.com>1999-06-22 02:41:43 +0000
committerNick Clifton <nickc@redhat.com>1999-06-22 02:41:43 +0000
commit232fb1a3f6e27a28b1f011564322f7b4d3b47248 (patch)
tree10a325fcd157d43eea406f99852599e5a5276d81
parent69e617ca276f56efec637614aae718ad7b5d4aab (diff)
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Catch overflow in 22_PCREL reloc.
-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/elf32-v850.c4
2 files changed, 9 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8471a7e..ff2cfdf 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+1999-06-22 Nick Clifton <nickc@cygnus.com>
+
+ * elf32-v850.c (v850_elf_final_link_relocate): Catch overflow
+ handling R_V850_22_PCREL relocation.
+
1999-06-21 Ian Lance Taylor <ian@zembu.com>
* coff-arm.c (arm_emit_base_file_entry): Explicitly declare return
diff --git a/bfd/elf32-v850.c b/bfd/elf32-v850.c
index 08d4b75..4ca60e8 100644
--- a/bfd/elf32-v850.c
+++ b/bfd/elf32-v850.c
@@ -1369,6 +1369,10 @@ v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
+ input_section->output_offset
+ offset);
+ /* If the sign extension will corrupt the value then we have overflowed. */
+ if (((value & 0xff000000) != 0x0) && ((value & 0xff000000) != 0xff000000))
+ return bfd_reloc_overflow;
+
value = SEXT24 (value); /* Only the bottom 24 bits of the PC are valid */
break;