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| author | Alex Dowad <alexinbeijing@gmail.com> | 2015-10-13 17:58:43 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2015-10-13 17:58:43 -0400 |
| commit | 8cfdfa9c8fd84d4090bba54eb616a2c9361a076f (patch) | |
| tree | 6af7d540f2a9d18166d97f91ee363297d6a35df9 /tools | |
| parent | fef9c801feeccbb40623f0c2a6e4f2b19f58a34b (diff) | |
| download | musl-8cfdfa9c8fd84d4090bba54eb616a2c9361a076f.tar.gz musl-8cfdfa9c8fd84d4090bba54eb616a2c9361a076f.tar.xz musl-8cfdfa9c8fd84d4090bba54eb616a2c9361a076f.zip | |
fix misinterpretation of indexed memory operand in i386 CFI generation
a register used as an index in the memory destination of a mov instruction was wrongly interpreted as the destination of the mov.
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/add-cfi.i386.awk | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/add-cfi.i386.awk b/tools/add-cfi.i386.awk index 231d67ed..bd7932f1 100644 --- a/tools/add-cfi.i386.awk +++ b/tools/add-cfi.i386.awk @@ -184,7 +184,7 @@ function trashed(register) { } # this does NOT exhaustively check for all possible instructions which could # overwrite a register value inherited from the caller (just the common ones) -/mov.*,%e(ax|bx|cx|dx|si|di|bp)/ { trashed(get_reg2()) } +/mov.*,%e(ax|bx|cx|dx|si|di|bp)$/ { trashed(get_reg2()) } /(add|addl|sub|subl|and|or|xor|lea|sal|sar|shl|shr).*,%e(ax|bx|cx|dx|si|di|bp)$/ { trashed(get_reg2()) } |