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36938cabf0
"Unambiguous" is is in particular taking as reference the assembler, which also accepts certain insns - despite them allowing for varying operand size, and hence in principle being ambiguous - without any suffix. For example, from the very beginning of the life of x86-64 I had trouble understanding why a plain and simple RET had to be printed as RETQ. In case someone really used the 16-bit form, RETW disambiguates the two quite fine.
27 lines
876 B
Makefile
27 lines
876 B
Makefile
#source: pr19636-1.s
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#as: --32 -mrelax-relocations=no
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#ld: -pie -m elf_i386 --no-dynamic-linker -z dynamic-undefined-weak
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#objdump: -dw
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#warning: -z dynamic-undefined-weak ignored
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.*: +file format .*
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Disassembly of section .plt:
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.* <.plt>:
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[ ]*[a-f0-9]+: ff b3 04 00 00 00 push 0x4\(%ebx\)
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[ ]*[a-f0-9]+: ff a3 08 00 00 00 jmp \*0x8\(%ebx\)
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[ ]*[a-f0-9]+: 00 00 add %al,\(%eax\)
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[ ]*[a-f0-9]+: 00 00 add %al,\(%eax\)
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[ ]*[a-f0-9]+: ff a3 0c 00 00 00 jmp \*0xc\(%ebx\)
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[ ]*[a-f0-9]+: 68 00 00 00 00 push \$0x0
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[ ]*[a-f0-9]+: e9 00 00 00 00 jmp [a-f0-9]+ <.*>
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Disassembly of section .text:
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.* <_start>:
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[ ]*[a-f0-9]+: 3b 80 f8 ff ff ff cmp -0x8\(%eax\),%eax
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[ ]*[a-f0-9]+: ff a0 fc ff ff ff jmp \*-0x4\(%eax\)
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[ ]*[a-f0-9]+: e8 df ff ff ff call .* <\.plt\+0x10>
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