New issue 2580: asmgcc fails on i386 with gcc 6.3.0-18
https://bitbucket.org/pypy/pypy/issues/2580/asmgcc-fails-on-i386-with-gcc-630-18
Stefano Rivera:
Building pypy 5.8.0 on Debian sid i386:
```
gcc -O3 -pthread -fomit-frame-pointer -Wall -Wno-unused -Wno-address
-fvisibility=hidden -DPYPY_USE_ASMGCC -DPYPY_JIT_CODEMAP -DPy_BUILD_CORE
-DRPYTHON_VMPROF -O3 -DVMPROF_UNIX -DVMPROF_LINUX -DRPYTHON_VMPROF=1
-DPYPY_CPU_HAS_STANDARD_PRECISION -DPYPY_X86_CHECK_SSE2 -msse2 -mfpmath=sse
-DRPYTHON_VMPROF=1 -DRPYTHON_VMPROF=1 -DPy_BUILD_CORE -DPy_BUILD_CORE
-frandom-seed=elf.c -o elf.s -S elf.c
-I"/home/stefanor/hg/pypy/rpython"/translator/c
-I"/home/stefanor/hg/pypy/rpython"/rlib/rjitlog/src
-I"/home/stefanor/hg/pypy/rpython"/rlib/rvmprof/src
-I"/home/stefanor/hg/pypy/rpython"/../pypy/module/cpyext/include
-I"/home/stefanor/hg/pypy/rpython"/../pypy/module/cpyext/parse -I..
-I"/home/stefanor/hg/pypy/rpython"/rlib/rvmprof/src/shared
-I"/home/stefanor/hg/pypy/rpython"/rlib/rvmprof/src/shared/libbacktrace
-I"/home/stefanor/hg/pypy/rpython"/../pypy/module/faulthandler
-I"/home/stefanor/hg/pypy/rpython"/../pypy/module/_multibytecodec
-I"/home/stefanor/hg/pypy/rpython"/../pypy/module/
operator
-I"/home/stefanor/hg/pypy/rpython"/../pypy/module/_cffi_backend/src
python "/home/stefanor/hg/pypy/rpython"/translator/c/gcc/trackgcroot.py -t
elf.s > elf.gctmp
Traceback (most recent call last):
File "/home/stefanor/hg/pypy/rpython/translator/c/gcc/trackgcroot.py", line
2094, in <module>
tracker.process(f, g, filename=fn)
File "/home/stefanor/hg/pypy/rpython/translator/c/gcc/trackgcroot.py", line
1987, in process
tracker = parser.process_function(lines, filename)
File "/home/stefanor/hg/pypy/rpython/translator/c/gcc/trackgcroot.py", line
1498, in process_function
table = tracker.computegcmaptable(self.verbose)
File "/home/stefanor/hg/pypy/rpython/translator/c/gcc/trackgcroot.py", line
59, in computegcmaptable
self.findframesize()
File "/home/stefanor/hg/pypy/rpython/translator/c/gcc/trackgcroot.py", line
295, in findframesize
insn1.framesize = size_at_insn1
File
"/home/stefanor/hg/pypy/rpython/translator/c/gcc/../../../../rpython/translator/c/gcc/instruction.py",
line 262, in __setattr__
"unrecognized function prologue - "
AssertionError: unrecognized function prologue - only supports push %ebp; movl
%esp, %ebp
Makefile:496: recipe for target 'elf.gcmap' failed
make: *** [elf.gcmap] Error 1
```
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