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| author | Lifang Xia <lifang_xia@c-sky.com> | 2021-08-10 11:16:57 +0800 |
|---|---|---|
| committer | Lifang Xia <lifang_xia@c-sky.com> | 2021-08-13 14:13:58 +0800 |
| commit | 1374be23274d0d569ca160b8172b2c02fc37becc (patch) | |
| tree | 0fdc9b02fafdfa1bb46b1eb8255ea99aea3491f2 /gas | |
| parent | af29a8abcf50ff9cb465a136c68b06bfc2ca7b75 (diff) | |
| download | gdb-1374be23274d0d569ca160b8172b2c02fc37becc.zip gdb-1374be23274d0d569ca160b8172b2c02fc37becc.tar.gz gdb-1374be23274d0d569ca160b8172b2c02fc37becc.tar.bz2 | |
PR28168: [CSKY] Fix stack overflow in disassembler
PR 28168:
Stack overflow with a large float. %f is not a goot choice for this.
%f should be replaced with %.7g.
gas/
* testsuite/gas/csky/pr28168.d: New testcase for PR 28168.
* testsuite/gas/csky/pr28168.s: Likewise.
* testsuite/gas/csky/v2_float_part2.d: Following the new format.
* opcodes/csky-dis.c (csky_output_operand): %.7g replaces %f.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/testsuite/gas/csky/pr28168.d | 12 | ||||
| -rw-r--r-- | gas/testsuite/gas/csky/pr28168.s | 1 | ||||
| -rw-r--r-- | gas/testsuite/gas/csky/v2_float_part2.d | 16 |
3 files changed, 21 insertions, 8 deletions
diff --git a/gas/testsuite/gas/csky/pr28168.d b/gas/testsuite/gas/csky/pr28168.d new file mode 100644 index 0000000..0e7d6da --- /dev/null +++ b/gas/testsuite/gas/csky/pr28168.d @@ -0,0 +1,12 @@ +#as: -mcpu=ck807f +#objdump: -d + + +.*: +file format .*csky.* + +Disassembly of section \.text: + +00000000 <\.text>: +[ ]+[0-9a-f]+:[ ]+f4003910[ ]+flrwd[ ]+fr0, 8\.721012e\+150 +[ ]+[0-9a-f]+:[ ]+417f3259[ ]+\.long[ ]+0x417f3259 +[ ]+[0-9a-f]+:[ ]+5f45504f[ ]+\.long[ ]+0x5f45504f diff --git a/gas/testsuite/gas/csky/pr28168.s b/gas/testsuite/gas/csky/pr28168.s new file mode 100644 index 0000000..323eed4 --- /dev/null +++ b/gas/testsuite/gas/csky/pr28168.s @@ -0,0 +1 @@ +flrwd fr0, 8.721012e+150 diff --git a/gas/testsuite/gas/csky/v2_float_part2.d b/gas/testsuite/gas/csky/v2_float_part2.d index 78fa37b..ecb6c15 100644 --- a/gas/testsuite/gas/csky/v2_float_part2.d +++ b/gas/testsuite/gas/csky/v2_float_part2.d @@ -6,15 +6,15 @@ Disassembly of section \.text: #... -\s*[0-9a-f]*:\s*f4003882\s*flrws\s*fr2,\s*3\.140000 -\s*[0-9a-f]*:\s*f50b1c02\s*fmovis\s*fr2,\s*1\.500000 -\s*[0-9a-f]*:\s*f51b1c02\s*fmovis\s*fr2,\s*-1\.500000 -\s*[0-9a-f]*:\s*f48a1c02\s*fmovis\s*fr2,\s*2\.500000 +\s*[0-9a-f]*:\s*f4003882\s*flrws\s*fr2,\s*3\.14 +\s*[0-9a-f]*:\s*f50b1c02\s*fmovis\s*fr2,\s*1\.5 +\s*[0-9a-f]*:\s*f51b1c02\s*fmovis\s*fr2,\s*-1\.5 +\s*[0-9a-f]*:\s*f48a1c02\s*fmovis\s*fr2,\s*2\.5 #... -\s*[0-9a-f]*:\s*f4003952\s*flrwd\s*fr2,\s*3\.140000 -\s*[0-9a-f]*:\s*f48a1e02\s*fmovid\s*fr2,\s*2\.500000 -\s*[0-9a-f]*:\s*f49a1e02\s*fmovid\s*fr2,\s*-2\.500000 -\s*[0-9a-f]*:\s*f51b1e02\s*fmovid\s*fr2,\s*-1\.500000 +\s*[0-9a-f]*:\s*f4003952\s*flrwd\s*fr2,\s*3\.14 +\s*[0-9a-f]*:\s*f48a1e02\s*fmovid\s*fr2,\s*2\.5 +\s*[0-9a-f]*:\s*f49a1e02\s*fmovid\s*fr2,\s*-2\.5 +\s*[0-9a-f]*:\s*f51b1e02\s*fmovid\s*fr2,\s*-1\.5 \s*[0-9a-f]*:\s*4048f5c3\s*\.long\s*0x4048f5c3 \s*[0-9a-f]*:\s*51eb851f\s*\.long\s*0x51eb851f \s*[0-9a-f]*:\s*40091eb8\s*\.long\s*0x40091eb8 |