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WIP: fork/exec POSIX API AArch64 port #14

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WIP: fork/exec POSIX API AArch64 port #14

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01a97e1
Implement `stabilize_sig_stack`
Blackhex May 26, 2025
287ceb2
Implement `setjmp`
Blackhex May 26, 2025
8c9821f
Implement `longjmp`
Blackhex May 26, 2025
a157c66
WIP: Implement `_sigfe_maybe`, `_sigfe` and `_sigbe`
Blackhex Apr 16, 2025
d7bf92c
WIP: Implement `sigsetjmp`
Blackhex Apr 16, 2025
c71723f
WIP: Implement `siglongjmp`
Blackhex Apr 16, 2025
2e03820
Disable optimizations for easier debugging
Blackhex Apr 16, 2025
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4 changes: 2 additions & 2 deletions Makefile.in
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Expand Up @@ -364,7 +364,7 @@ BUILD_PREFIX_1 = @BUILD_PREFIX_1@

# Flags to pass to stage2 and later makes. They are defined
# here so that they can be overridden by Makefile fragments.
BOOT_CFLAGS= -g -O2
BOOT_CFLAGS= -g -Og
BOOT_LDFLAGS=
BOOT_ADAFLAGS= -gnatpg

Expand Down Expand Up @@ -584,7 +584,7 @@ CXXFLAGS_FOR_TARGET = @CXXFLAGS_FOR_TARGET@
LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
LDFLAGS_FOR_TARGET = @LDFLAGS_FOR_TARGET@
GOCFLAGS_FOR_TARGET = -O2 -g
GOCFLAGS_FOR_TARGET = -Og -g

FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
Expand Down
4 changes: 2 additions & 2 deletions Makefile.tpl
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Expand Up @@ -367,7 +367,7 @@ BUILD_PREFIX_1 = @BUILD_PREFIX_1@

# Flags to pass to stage2 and later makes. They are defined
# here so that they can be overridden by Makefile fragments.
BOOT_CFLAGS= -g -O2
BOOT_CFLAGS= -g -Og
BOOT_LDFLAGS=
BOOT_ADAFLAGS= -gnatpg

Expand Down Expand Up @@ -517,7 +517,7 @@ CXXFLAGS_FOR_TARGET = @CXXFLAGS_FOR_TARGET@
LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
LDFLAGS_FOR_TARGET = @LDFLAGS_FOR_TARGET@
GOCFLAGS_FOR_TARGET = -O2 -g
GOCFLAGS_FOR_TARGET = -Og -g

FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
Expand Down
4 changes: 2 additions & 2 deletions config/acinclude.m4
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Expand Up @@ -24,7 +24,7 @@ dnl normal versions of a library), tasteless as that idea is.
if test "$ac_test_CXXFLAGS" = set; then
CXXFLAGS="$ac_save_CXXFLAGS"
elif test $ac_cv_prog_cxx_g = yes; then
CXXFLAGS="-g -O2"
CXXFLAGS="-g -Og"
else
CXXFLAGS="-O2"
fi
Expand Down Expand Up @@ -121,7 +121,7 @@ dnl normal versions of a library), tasteless as that idea is.
if test "$ac_test_CFLAGS" = set; then
CFLAGS="$ac_save_CFLAGS"
elif test $ac_cv_prog_cc_g = yes; then
CFLAGS="-g -O2"
CFLAGS="-g -Og"
else
CFLAGS="-O2"
fi
Expand Down
8 changes: 4 additions & 4 deletions configure
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Expand Up @@ -4800,7 +4800,7 @@ if test "$ac_test_CFLAGS" = set; then
CFLAGS=$ac_save_CFLAGS
elif test $ac_cv_prog_cc_g = yes; then
if test "$GCC" = yes; then
CFLAGS="-g -O2"
CFLAGS="-g -Og"
else
CFLAGS="-g"
fi
Expand Down Expand Up @@ -5147,7 +5147,7 @@ if test "$ac_test_CXXFLAGS" = set; then
CXXFLAGS=$ac_save_CXXFLAGS
elif test $ac_cv_prog_cxx_g = yes; then
if test "$GXX" = yes; then
CXXFLAGS="-g -O2"
CXXFLAGS="-g -Og"
else
CXXFLAGS="-g"
fi
Expand Down Expand Up @@ -6853,7 +6853,7 @@ fi
# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
if test "x$CFLAGS_FOR_TARGET" = x; then
if test "x${is_cross_compiler}" = xyes; then
CFLAGS_FOR_TARGET="-g -O2"
CFLAGS_FOR_TARGET="-g -Og"
else
CFLAGS_FOR_TARGET=$CFLAGS
case " $CFLAGS " in
Expand All @@ -6870,7 +6870,7 @@ fi

if test "x$CXXFLAGS_FOR_TARGET" = x; then
if test "x${is_cross_compiler}" = xyes; then
CXXFLAGS_FOR_TARGET="-g -O2"
CXXFLAGS_FOR_TARGET="-g -Og"
else
CXXFLAGS_FOR_TARGET=$CXXFLAGS
case " $CXXFLAGS " in
Expand Down
4 changes: 2 additions & 2 deletions configure.ac
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Expand Up @@ -2381,7 +2381,7 @@ AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
if test "x$CFLAGS_FOR_TARGET" = x; then
if test "x${is_cross_compiler}" = xyes; then
CFLAGS_FOR_TARGET="-g -O2"
CFLAGS_FOR_TARGET="-g -Og"
else
CFLAGS_FOR_TARGET=$CFLAGS
case " $CFLAGS " in
Expand All @@ -2398,7 +2398,7 @@ AC_SUBST(CFLAGS_FOR_TARGET)

if test "x$CXXFLAGS_FOR_TARGET" = x; then
if test "x${is_cross_compiler}" = xyes; then
CXXFLAGS_FOR_TARGET="-g -O2"
CXXFLAGS_FOR_TARGET="-g -Og"
else
CXXFLAGS_FOR_TARGET=$CXXFLAGS
case " $CXXFLAGS " in
Expand Down
2 changes: 1 addition & 1 deletion libgloss/config/default.mh
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Expand Up @@ -4,7 +4,7 @@ NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/ -L
INCLUDES = -I. -I$(srcdir)/.. -I$(objdir)/.. -idirafter $(srcroot)/include
# Note that when building the library, ${MULTILIB} is not the way multilib
# options are passed; they're passed in $(CFLAGS).
CFLAGS_FOR_TARGET = -O2 -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
CFLAGS_FOR_TARGET = -Og -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS}
AR_FLAGS = rc

Expand Down
2 changes: 1 addition & 1 deletion libgloss/config/dos.mh
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Expand Up @@ -4,7 +4,7 @@ NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/; f
INCLUDES = -I.
# Note that when building the library, ${MULTILIB} is not the way multilib
# options are passed; they're passed in $(CFLAGS).
CFLAGS_FOR_TARGET = -O2 -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
CFLAGS_FOR_TARGET = -Og -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS}
ARFLAGS_FOR_TARGET = qc

Expand Down
2 changes: 1 addition & 1 deletion libgloss/config/ppc.mh
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Expand Up @@ -8,7 +8,7 @@ CFLAGS_MRELOCATABLE = -mrelocatable-lib -mno-eabi
INCLUDES = -I. -I$(srcdir)/.. -I$(objdir)/..
# Note that when building the library, ${MULTILIB} is not the way multilib
# options are passed; they're passed in $(CFLAGS).
CFLAGS_FOR_TARGET = -O2 -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
CFLAGS_FOR_TARGET = -Og -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS}
AR_FLAGS = qc

Expand Down
2 changes: 1 addition & 1 deletion libgloss/configure
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Expand Up @@ -4077,7 +4077,7 @@ if test "$ac_test_CFLAGS" = set; then
CFLAGS=$ac_save_CFLAGS
elif test $ac_cv_prog_cc_g = yes; then
if test "$GCC" = yes; then
CFLAGS="-g -O2"
CFLAGS="-g -Og"
else
CFLAGS="-g"
fi
Expand Down
2 changes: 1 addition & 1 deletion libtool.m4
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Expand Up @@ -7074,7 +7074,7 @@ AC_DEFUN([LT_PROG_GCJ],
[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
[m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
[AC_CHECK_TOOL(GCJ, gcj,)
test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -Og"
AC_SUBST(GCJFLAGS)])])[]dnl
])

Expand Down
2 changes: 1 addition & 1 deletion newlib/configure
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Expand Up @@ -4029,7 +4029,7 @@ if test "$ac_test_CFLAGS" = set; then
CFLAGS=$ac_save_CFLAGS
elif test $ac_cv_prog_cc_g = yes; then
if test "$GCC" = yes; then
CFLAGS="-g -O2"
CFLAGS="-g -Og"
else
CFLAGS="-g"
fi
Expand Down
8 changes: 4 additions & 4 deletions winsup/cygwin/aarch64/fastcwd.cc
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Expand Up @@ -128,8 +128,8 @@ find_fast_cwd_pointer_aarch64 ()
start = pc = (const uint32_t *) use_cwd;

const uint32_t *ldrpc = NULL;
uint32_t ldroffset, ldrsz;
uint32_t ldrrn, ldrrd;
uint32_t ldroffset = 0, ldrsz = 0;
uint32_t ldrrn = 0, ldrrd = 0;

/* find the ldr (immediate unsigned offset) for RtlpCurDirRef */
for (; pc < start + 20 && !IS_INSN (pc, ret) && !IS_INSN (pc, b); pc++)
Expand Down Expand Up @@ -163,8 +163,8 @@ find_fast_cwd_pointer_aarch64 ()
if (IS_INSN (pc, bl) && extract_bl_target (pc) == ent_crit)
break;
}
uint32_t addoffset;
uint32_t addrn;
uint32_t addoffset = 0;
uint32_t addrn = 0;
for (; pc >= start; pc--)
{
if (IS_INSN (pc, add) && (*pc & 0x1F) == 0)
Expand Down
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