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authorNick Clifton <nickc@redhat.com>2013-05-02 21:06:15 +0000
committerNick Clifton <nickc@redhat.com>2013-05-02 21:06:15 +0000
commit13761a1136a46a4dec5d01e00743e8b267a23c0d (patch)
treea0f519bb2595de8baf6e599c69a95e4cc764a483 /gas/doc
parent4925cdd75b2e9f5d1091795d8672f6b5634404a9 (diff)
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* archures.c: Add some more MSP430 machine numbers.
* config.bfd (msp430): Define targ_selvecs. * configure.in: Add bfd_elf32_msp430_ti_vec. * cpu-msp430.c: Add some more MSP430 machine numbers. * elf32-msp430.c Add support for MSP430X relocations. Add support for TI compiler generated relocations. Add support for sym_diff relocations. Add support for relaxing out of range short branches into long branches. Add support for MSP430 attribute section. * reloc.c: Add MSP430X relocations. * targets.c: Add bfd_elf32_msp430_ti_vec. * bfd-in2.h: Regenerate. * configure: Regenerate. * libbfd.h: Regenerate. * readelf.c: Add support for MSP430X architecture. * readelf.exp: Expect -wi test to fail for the MSP430. * config/tc-msp430.c: Add support for the MSP430X architecture. Add code to insert a NOP instruction after any instruction that might change the interrupt state. Add support for the LARGE memory model. Add code to initialise the .MSP430.attributes section. * config/tc-msp430.h: Add support for the MSP430X architecture. * doc/c-msp430.texi: Document the new -mL and -mN command line options. * NEWS: Mention support for the MSP430X architecture. * gas/all/gas.exp: Skip the DIFF1 test for the MSP430. Expect the FORWARD test to pass for the MSP430. Skip the REDEF tests for the MSP430. Expect the 930509A test to fail for the MSP430. * gas/all/sleb128-4.d: Skip for the MSP430. * gas/elf/elf.exp: Set target_machine to msp430 for the MSP430. Skip the EHOPT0 test for the MSP430. Skip the REDEF and EQU-RELOC tests for the MSP430. * gas/elf/section2.e-msp430: New file. * gas/lns/lns-big-delta.d: Remove expectation of 20-bit addresses. * gas/lns/lns.exp: Use alternate LNS COMMON test for the MSP430. * gas/msp430/msp430x.s: New test. * gas/msp430/msp430x.d: Expected disassembly. * gas/msp430/msp430.exp: Run new test. * gas/msp430/opcode.d: Update expected disassembly. * msp430.h: Add MSP430X relocs. Add some more MSP430 machine numbers. Add values used by .MSP430.attributes section. * msp430.h: Add patterns for MSP430X instructions. * Makefile.am: Add emsp430X.c * Makefine.in: Regenerate. * configure.tgt (msp430): Add msp430X emulation. * ldmain.c (multiple_definition): Only disable relaxation if it was enabled by the user. * ldmain.h (RELAXATION_ENABLED_BY_USER): New macro. * emulparams/msp430all.sh: Add support for MSP430X. * emultempl/generic.em: (before_parse): Enable relaxation for the MSP430. * scripttempl/msp430.sc: Reorganize sections. Add .rodata section. * scripttempl/msp430_3.sc: Likewise. * NEWS: Mention support for MSP430X. * ld-elf/flags1.d: Expect this test to pass on the MSP430. * ld-elf/init-fini-arrays.d: Expect this test to fail on the MSP430. * ld-elf/merge.d: Expect this test to pass on the MSP430. * ld-elf/sec64k.exp: Skip these tests for the MSP430. * ld-gc/pr13683.d: Expect this test to fail on the MSP430. * ld-srec/srec.exp: Expect these tests to fail on the MSP430. * ld-undefined/undefined.exp: Expect the UNDEFINED LINE test to fail on the MSP430. * msp430-dis.c: Add support for MSP430X instructions.
Diffstat (limited to 'gas/doc')
-rw-r--r--gas/doc/c-msp430.texi16
1 files changed, 15 insertions, 1 deletions
diff --git a/gas/doc/c-msp430.texi b/gas/doc/c-msp430.texi
index 4beb90a..06e4137 100644
--- a/gas/doc/c-msp430.texi
+++ b/gas/doc/c-msp430.texi
@@ -1,4 +1,4 @@
-@c Copyright 2002, 2004, 2005, 2011 Free Software Foundation, Inc.
+@c Copyright 2002-2013 Free Software Foundation, Inc.
@c This is part of the GAS manual.
@c For copying conditions, see the file as.texinfo.
@ifset GENERIC
@@ -36,6 +36,20 @@ enables polymorph instructions handler.
@item -mQ
enables relaxation at assembly time. DANGEROUS!
+@item -ml
+indicates that the input uses the large code model.
+
+@item -mN
+disables the generation of a NOP instruction following any instruction
+that might change the interrupts enabled/disabled state. For the
+MSP430x5xx series the instructions: @code{EINT}, @code{DINT}, @code{BIC
+#8, SR}, @code{BIS #8, SR} and @code{MOV.W <>, SR} must be followed by
+a NOP instruction in order to ensure the correct processing of
+interrupts. By default generation of the NOP instruction happens
+automatically, but this command line option disables this behaviour.
+It is then up to the programmer to ensure that interrupts are enabled
+and disabled correctly.
+
@end table
@node MSP430 Syntax