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g-dos's Issues

GTCL acts very randomly with its input

Sometimes you can actually get a few commands to register, but most of the time it just behaves in completely unpredictable ways.

Given that the code running there is almost identical to the native version running under Linux, I'ts lead me to believe that one of my LIBc functions is probably broken.

it was probably a good idea to start writing test cases for them eventually

ARM compile error with GCC with undefined reference to `raise'

i want to check the example given:

make distclean
./config.sh PLATFORM=versatilepb ARCH=arm
make PREFIX=arm-linux-gnueabi- all

[...]
[AR] created: /home/bastian/software/G-DOS/lib/libc.a
make[2]: Leaving directory '/home/bastian/software/G-DOS'
make[2]: Entering directory '/home/bastian/software/G-DOS'
[USR][CC] -c argtest.c -o argtest.o
[USR][LD] argtest.o -o argtest
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(stdchar.o):(.bss+0x0): multiple definition of `__global_flags'; /home/bastian/software/G-DOS/usr/argtest.o:(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(stdchar.o):(.rodata+0x0): multiple definition of `__global_flag_names'; /home/bastian/software/G-DOS/usr/argtest.o:(.rodata+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0xc): multiple definition of `__global_flags'; /home/bastian/software/G-DOS/usr/argtest.o:(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.rodata+0x0): multiple definition of `__global_flag_names'; /home/bastian/software/G-DOS/usr/argtest.o:(.rodata+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(puts.o):(.bss+0x0): multiple definition of `stdin'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(puts.o):(.bss+0x4): multiple definition of `stdout'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x4): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(puts.o):(.bss+0x8): multiple definition of `stderr'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x8): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(sys.o):(.rodata+0x0): multiple definition of `__global_flag_names'; /home/bastian/software/G-DOS/usr/argtest.o:(.rodata+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(sys.o):(.bss+0x0): multiple definition of `__global_flags'; /home/bastian/software/G-DOS/usr/argtest.o:(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(strerror.o):(.bss+0x0): multiple definition of `__global_flags'; /home/bastian/software/G-DOS/usr/argtest.o:(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(strerror.o):(.rodata+0x0): multiple definition of `__global_flag_names'; /home/bastian/software/G-DOS/usr/argtest.o:(.rodata+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(sprintf.o):(.bss+0x0): multiple definition of `stdin'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(sprintf.o):(.bss+0x4): multiple definition of `stdout'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x4): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(sprintf.o):(.bss+0x8): multiple definition of `stderr'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x8): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(vsnprintf.o):(.bss+0x0): multiple definition of `stdin'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x0): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(vsnprintf.o):(.bss+0x4): multiple definition of `stdout'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x4): first defined here
arm-linux-gnueabi-ld: /home/bastian/software/G-DOS/lib/libc.a(vsnprintf.o):(.bss+0x8): multiple definition of `stderr'; /home/bastian/software/G-DOS/lib/libc.a(printf.o):(.bss+0x8): first defined here
arm-linux-gnueabi-ld: /usr/lib/gcc-cross/arm-linux-gnueabi/10/libgcc.a(_dvmd_lnx.o): in function `__aeabi_ldiv0':
(.text+0x8): undefined reference to `raise'
make[2]: *** [Makefile:114: /home/bastian/software/G-DOS/usr/argtest] Error 1
make[2]: Leaving directory '/home/bastian/software/G-DOS'
make[1]: *** [Makefile:100: deps] Error 2
make[1]: Leaving directory '/home/bastian/software/G-DOS'
make: *** [Makefile:94: all] Error 2

the same happens with musl and
PREFIX=armel-linux-musleabi-

and:

bastian@ryzen:~/software/G-DOS$ arm-linux-gnueabi-gcc -v
Using built-in specs.
COLLECT_GCC=arm-linux-gnueabi-gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc-cross/arm-linux-gnueabi/10/lto-wrapper
Target: arm-linux-gnueabi
Configured with: ../src/configure -v --with-pkgversion='Debian 10.2.1-6' --with-bugurl=file:///usr/share/doc/gcc-10/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-10 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libitm --disable-libquadmath --disable-libquadmath-support --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --without-target-system-zlib --enable-multiarch --disable-sjlj-exceptions --with-arch=armv5te --with-float=soft --disable-werror --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=arm-linux-gnueabi --program-prefix=arm-linux-gnueabi- --includedir=/usr/arm-linux-gnueabi/include --with-build-config=bootstrap-lto-lean --enable-link-mutex
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 10.2.1 20210110 (Debian 10.2.1-6)

ARM GCC linker error, objects have EABI version 5, but target has EABI version 0

when linking the final binary on all ARM platforms, the build fails with something along the lines of:

[DEP] Setting up directories
mkdir -p /run/media/artyom/devroot/Projects/builds/G-DOS/bin
[CCFLAGS] = -fno-builtin -fno-exceptions -fno-unwind-tables -w -mfloat-abi=soft -nostdlib -nostartfiles -static -mcpu=arm926ej-s -marm -mbe32 -mabi=aapcs-linux -include /run/media/artyom/devroot/Projects/builds/G-DOS/src/platform/arm/versatilepb/hwdeps.h -I /run/media/artyom/devroot/Projects/builds/G-DOS/src/platform/arm/versatilepb -I /run/media/artyom/devroot/Projects/builds/G-DOS/src/cpu/arm/include -I /run/media/artyom/devroot/Projects/builds/G-DOS/src/include
make[1]: Entering directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: Entering directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/lib/libc.a' is up to date.
make[2]: Leaving directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: Entering directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/loadtest' is up to date.
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/argtest' is up to date.
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/iotest' is up to date.
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/hello' is up to date.
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/ski' is up to date.
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/brot' is up to date.
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/usr/count' is up to date.
make[2]: Leaving directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: Entering directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: '/run/media/artyom/devroot/Projects/builds/G-DOS/bin/romdisk.o' is up to date.
make[2]: Leaving directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
make[2]: Entering directory '/run/media/artyom/devroot/Projects/builds/G-DOS'
[LD] Creating final binary
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/mm.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/mm.o
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/platform/arm/versatilepb/splash.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/platform/arm/versatilepb/splash.o
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/traps.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/traps.o
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/helpers.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/helpers.o
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/elf.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/elf.o
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/rpi-mailbox.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/rpi-mailbox.o
arm-none-eabi-ld: error: source object /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/startup.o has EABI version 5, but target /run/media/artyom/devroot/Projects/builds/G-DOS/bin/gdos has EABI version 0
arm-none-eabi-ld: failed to merge target specific data of file /run/media/artyom/devroot/Projects/builds/G-DOS/bin/src/cpu/arm/startup.o
...

It seems newer versions of GCC have mixed ABIs in their libgcc.a and the linker is getting confused. No matter what abi version i build for, the linker reports that it's targeting version 0 (meaning unknown abi conformance)

The m68k and PowerPC targets both build and run fine using the same source tree.

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