http://sourceware.org/bugzilla/show_bug.cgi?id=15282
Bug #: 15282
Summary: -relax option causes LD to generated wrong opcode for
Renesas H8/300
Product: binutils
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sourceware.org
ReportedBy: robert.hulse...@necoso.com
Classification: Unclassified
The linker is used for building an application for Renesas 2398 micro. (H8S)
The -relax option allows the linker to change the @(d:32, ERs), ERd instruction
into the shorter @(d:16, ERs), ERd instruction.
Unfortunately, the linker forgets to update the third byte of the instruction.
Example 01 00 78 00 6B 23 00 00 15 98 is translated into 01 00 78 00 6B 03 15
98. Which should be 01 00 6F 00 6B 03 15 98.
This is a fatal error which cause the application to misbehave/crash.
Linker version and emulation info:
GNU ld (GNU Binutils) 2.22-GNUH8_v12.02
Supported emulations:
h8300elf
h8300helf
h8300self
h8300hnelf
h8300snelf
h8300sxelf
h8300sxnelf
Linker options used: -n -relax --cref
The linker is part of KPIT GNU toolchain v12.02 for Renesas H8.
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