https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102874
Bug ID: 102874
Summary: [12 regression] src/x86/win64.S doesn't assemble with
Solaris as
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libffi
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: hjl.tools at gmail dot com
Target Milestone: ---
Target: i?86-pc-solaris2.11, x86_64-pc-solaris2.11
The libffi 3.4.2 import badly broke Solaris/x86 bootstrap with the native
assembler:
Assembler:
"/vol/gcc/src/hg/master/local/libffi/src/x86/win64.S", line 88 :
Illegal mnemonic
Near line: ".macro epilogue"
"/vol/gcc/src/hg/master/local/libffi/src/x86/win64.S", line 88 : Syntax
error
Near line: ".macro epilogue"
config.status: creating Makefile
"/vol/gcc/src/hg/master/local/libffi/src/x86/win64.S", line 95 :
Illegal mnemonic
Near line: ".endm"
"/vol/gcc/src/hg/master/local/libffi/src/x86/win64.S", line 95 : Syntax
error
Near line: ".endm"
"/vol/gcc/src/hg/master/local/libffi/src/x86/win64.S", line 100 :
Illegal mnemonic
Near line: " epilogue"
"/vol/gcc/src/hg/master/local/libffi/src/x86/win64.S", line 100 :
Syntax error
Near line: "epilogue"
/bin/as doesn't support .macro/.endm.
I initially tried to exclude ffiw64.c and win64.S from SOURCES in
configure.host.
While this fixed the build, it made all 64-bit libffi and libgo link tests
FAIL with unresolved references to *_efi64 functions.
While I wonder why libffi on a Unix system needs win64 support, the fix seems
simple: just use #define instead of .macro/.endm to define epilogue. The
attached patch does that and brings things back to normal.
