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arm64 OpenBSD #744

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9adc505
arm64 OpenBSD
KenDickey Oct 26, 2025
164a228
x86 OpenBSD
KenDickey Oct 26, 2025
8b788ac
Merge branch 'OpenSmalltalk:Cog' into Cog
KenDickey Nov 3, 2025
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1 change: 1 addition & 0 deletions building/linux64ARMv8/squeak.cog.spur/build.debug/mvm
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ if [ `uname` = "OpenBSD" ]; then
LIBRT=""
# OpenBSD has problems with fast-bitblt under gcc and clang
FASTBITBLT=""
OPT="$OPT -DMUSL"
# Prefer clang over gcc if available
if [ -n "$(command -v clang || true)" ]; then CC=clang; else CC=gcc; fi
else # non-OpenBSD Linux
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2 changes: 1 addition & 1 deletion building/linux64ARMv8/squeak.cog.spur/build/mvm
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Expand Up @@ -6,7 +6,6 @@ INSTALLDIR=sqcogspur64ARMv8linuxht
# tpr - add enablementisation of fast bitblt ben avison code
MACHINE="-march=armv8-a -mtune=cortex-a72"
OPT="-g -O2 -DNDEBUG -DDEBUGVM=0 -D_GNU_SOURCE -DUSEEVDEV"
##OPT="-g -O3 -DMUSL -DNDEBUG -DDEBUGVM=0"

if [ `uname` = "OpenBSD" ]; then
DUALMAP="-DDUAL_MAPPED_CODE_ZONE=0"
Expand All @@ -16,6 +15,7 @@ if [ `uname` = "OpenBSD" ]; then
LIBRT=""
# OpenBSD has problems with fast-bitblt under gcc and clang
FASTBITBLT=""
OPT="$OPT -DMUSL"
# Prefer clang over gcc if available
if [ -n "$(command -v clang || true)" ]; then CC=clang; else CC=gcc; fi
else # non-OpenBSD Linux
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1 change: 1 addition & 0 deletions building/linux64x64/squeak.cog.spur/build.debug/mvm
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Expand Up @@ -21,6 +21,7 @@ if [ `uname` = "OpenBSD" ]; then
CFLAGS="$CFLAGS -I/usr/local/include"
LIBS="$LIBS -lexecinfo"
LDFLAGS="$LDFLAGS -L/usr/local/lib"
OPT="$OPT -DMUSL"
fi

if [ $# -ge 1 ]; then
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12 changes: 6 additions & 6 deletions building/linux64x64/squeak.cog.spur/build/mvm
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Expand Up @@ -11,17 +11,17 @@ if [ -n "$(command -v clang || true)" ]; then CC=clang; else CC=gcc; fi
# librt and libpthread funs now supplied by libc
# Many Linux systems supply empty library files
# but OpenBSD does not.
if [ `uname` = "OpenBSD" ]; then LIBRT=""; else LIBRT="-lrt"; fi

CFLAGS="$OPT -msse2 -DCOGMTVM=0"
LIBS=$LIBRT
LDFLAGS=""

# Special treatment for OpenBSD Linux
if [ `uname` = "OpenBSD" ]; then
CFLAGS="$CFLAGS -I/usr/local/include"
OPT="$OPT -DMUSL"
CFLAGS="$CFLAGS $OPT -I/usr/local/include"
LIBS="$LIBS -lexecinfo"
LDFLAGS="$LDFLAGS -L/usr/local/lib"
else
CFLAGS="$CFLAGS $OPT -msse2 -DCOGMTVM=0"
LIBS="$LIBS -lrt"
LDFLAGS="$LDFLAGS"
fi

if [ $# -ge 1 ]; then
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4 changes: 4 additions & 0 deletions platforms/unix/vm/sqUnixMemory.c
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Expand Up @@ -87,7 +87,11 @@ int mmapErrno = 0;
#endif

#define MAP_PROT (PROT_READ | PROT_WRITE)
#ifdef __OpenBSD__
#define MAP_FLAGS (MAP_ANON | MAP_PRIVATE | MAP_STACK)
#else
#define MAP_FLAGS (MAP_ANON | MAP_PRIVATE)
#endif

extern int useMmap;
/* Since Cog needs to make memory executable via mprotect, and since mprotect
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