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author | Nick Clifton <nickc@redhat.com> | 2019-10-09 13:48:06 +0100 |
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committer | Nick Clifton <nickc@redhat.com> | 2019-10-09 13:48:06 +0100 |
commit | 1d3787499d6edd07b30f3fc7b26962a1c695b8a4 (patch) | |
tree | 1d09c665560e756e49860f513820650db3095226 | |
parent | 8610e0fd93ea253f9beb9ebb6e50e8807ed83327 (diff) | |
download | binutils-gdb-1d3787499d6edd07b30f3fc7b26962a1c695b8a4.tar.gz |
Fix the disassembly of the LDS and STS instructions of the AVR architecture.
PR 25041
opcodes * avr-dis.c (avr_operand): Fix construction of address for lds/sts
instructions.
gas * testsuite/gas/avr/pr25041.s: New test.
* testsuite/gas/avr/pr25041.d: New test driver.
-rw-r--r-- | gas/ChangeLog | 6 | ||||
-rw-r--r-- | gas/testsuite/gas/avr/pr25041.d | 9 | ||||
-rw-r--r-- | gas/testsuite/gas/avr/pr25041.s | 4 | ||||
-rw-r--r-- | opcodes/ChangeLog | 6 | ||||
-rw-r--r-- | opcodes/avr-dis.c | 2 |
5 files changed, 27 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 41bcaa33327..3a1183b3742 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2019-10-09 Nick Clifton <nickc@redhat.com> + + PR 25041 + * testsuite/gas/avr/pr25041.s: New test. + * testsuite/gas/avr/pr25041.d: New test driver. + 2019-10-07 Jozef Lawrynowicz <jozef.l@mittosystems.com> * config/tc-msp430.c (md_parse_option): Set lower_data_region_only diff --git a/gas/testsuite/gas/avr/pr25041.d b/gas/testsuite/gas/avr/pr25041.d new file mode 100644 index 00000000000..086fe0a15a2 --- /dev/null +++ b/gas/testsuite/gas/avr/pr25041.d @@ -0,0 +1,9 @@ +#name: PR 25041 (correct generation of lds/sts addresses) +#as: -m "attiny10" +#target: avr-*-* +#objdump: -Dm"avr:100" + +#... +00000000 <_start>: + 0: 00 a0 lds r16, 0x80 ; 0x800080 <_start\+0x800080> + 2: 00 a8 sts 0x80, r16 ; 0x800080 <_start\+0x800080> diff --git a/gas/testsuite/gas/avr/pr25041.s b/gas/testsuite/gas/avr/pr25041.s new file mode 100644 index 00000000000..b5745b408a9 --- /dev/null +++ b/gas/testsuite/gas/avr/pr25041.s @@ -0,0 +1,4 @@ + +_start: + lds r16, 0x80 + sts 0x80, r16 diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 75167a0c68f..acde7a25313 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +2019-10-09 Nick Clifton <nickc@redhat.com> + + PR 25041 + * avr-dis.c (avr_operand): Fix construction of address for lds/sts + instructions. + 2019-10-07 Jan Beulich <jbeulich@suse.com> * opcodes/i386-opc.tbl (movsd): Add Dword and IgnoreSize. diff --git a/opcodes/avr-dis.c b/opcodes/avr-dis.c index b847ee993c6..ab38366f64e 100644 --- a/opcodes/avr-dis.c +++ b/opcodes/avr-dis.c @@ -198,6 +198,8 @@ avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constra { unsigned int val = ((insn & 0xf) | ((insn & 0x600) >> 5) | ((insn & 0x100) >> 2)); + if ((insn & 0x100) == 0) + val |= 0x80; *sym = 1; *sym_addr = val | 0x800000; sprintf (buf, "0x%02x", val); |