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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2020-05-10 16:45:19 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2020-05-10 16:45:19 +0200 |
| commit | cc41902750e66aa6dc179aabbcfcd2eb50b8254a (patch) | |
| tree | e00374d1a144bd4fb64cc7ef604ac190098263b5 | |
| parent | b58c6adee700a96280915998b352e0ce5bb07f7a (diff) | |
| download | compilertests-cc41902750e66aa6dc179aabbcfcd2eb50b8254a.tar.gz compilertests-cc41902750e66aa6dc179aabbcfcd2eb50b8254a.tar.bz2 | |
retested compiler and assembler with all 4 C compilers
| -rw-r--r-- | ecomp-c/README | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/ecomp-c/README b/ecomp-c/README index 58bf2db..cdef821 100644 --- a/ecomp-c/README +++ b/ecomp-c/README @@ -22,6 +22,7 @@ cat libc-hosted.c ec.c | clang -g -O3 -m32 -march=i386 -Werror -Wall -pedantic - cat libc-freestanding.c ec.c | pcc -g -O0 -march=i386 -ffreestanding -nostdlib -Wl,-emain -Werror -Wall -std=c89 -o ec -x c - cat libc-freestanding.c ec.c | pcc -g -O1 -march=i386 -ffreestanding -nostdlib -Wl,-emain -Werror -Wall -std=c89 -o ec -x c - # to use libc and syscall of the host +# valgrind fails in SIGILL at unhandled instruction bytes: 0xC8 0x4 0x0 0x0 cat libc-hosted.c ec.c | pcc -g -O1 -march=i386 -Werror -Wall -std=c89 -o ec -lbsd -x c - # -nostdlib segfaults with tcc 0.9.27 @@ -40,11 +41,38 @@ assembler --------- cat libc-freestanding.c asm-i386.c | gcc -g -O0 -m32 -march=i386 -ffreestanding -fno-stack-protector -nostdlib -emain -Werror -Wno-noreturn -Wall -pedantic -fno-pic -std=c89 -o asm-i386 -x c - +# optimized with own libc, syscalls need -fno-omit-frame-pointer otherwise they clobber the stack +cat libc-freestanding.c asm-i386.c | gcc -g -O1 -m32 -march=i386 -fno-omit-frame-pointer -ffreestanding -fno-stack-protector -nostdlib -emain -Werror -Wno-noreturn -Wall -pedantic -fno-pic -std=c89 -o asm-i386 -x c - +cat libc-freestanding.c asm-i386.c | gcc -g -O2 -m32 -march=i386 -fno-omit-frame-pointer -ffreestanding -fno-stack-protector -nostdlib -emain -Werror -Wno-noreturn -Wall -pedantic -fno-pic -std=c89 -o asm-i386 -x c - +cat libc-freestanding.c asm-i386.c | gcc -g -O3 -m32 -march=i386 -fno-omit-frame-pointer -ffreestanding -fno-stack-protector -nostdlib -emain -Werror -Wno-noreturn -Wall -pedantic -fno-pic -std=c89 -o asm-i386 -x c - + +# to use libc and syscall of the host cat libc-hosted.c asm-i386.c | gcc -g -O0 -m32 -march=i386 -fno-stack-protector -Werror -Wno-noreturn -Wall -pedantic -fno-pic -std=c89 -o asm-i386 -x c - -lbsd +cat libc-hosted.c asm-i386.c | gcc -g -O3 -m32 -march=i386 -Werror -Wall -pedantic -std=c89 -o asm-i386.c -lbsd -x c - cat libc-freestanding.c asm-i386.c | clang -g -O0 -m32 -march=i386 -ffreestanding -fno-stack-protector -nostdlib -Wl,-emain -Werror -Wall -pedantic -std=c89 -o asm-i386 -x c - -cat libc-freestanding.c asm-i386.c | pcc -g -O0 -march=i386 -ffreestanding -nostdlib -Wl,-emain -Werror -Wall -std=c89 -o asm-i386 -x c - +# ENOSYS in syscall wrappers, is the optimizer clobbering something here? +cat libc-freestanding.c asm-i386.c | clang -g -O1 -m32 -march=i386 -fno-omit-frame-pointer -ffreestanding -fno-stack-protector -nostdlib -Wl,-emain -Werror -Wall -pedantic -std=c89 -o asm-i386 -x c - +cat libc-freestanding.c asm-i386.c | clang -g -O2 -m32 -march=i386 -fno-omit-frame-pointer -ffreestanding -fno-stack-protector -nostdlib -Wl,-emain -Werror -Wall -pedantic -std=c89 -o asm-i386 -x c - +cat libc-freestanding.c asm-i386.c | clang -g -O3 -m32 -march=i386 -fno-omit-frame-pointer -ffreestanding -fno-stack-protector -nostdlib -Wl,-emain -Werror -Wall -pedantic -std=c89 -o asm-i386 -x c - +# to use libc and syscall of the host +cat libc-hosted.c asm-i386.c | clang -g -O3 -m32 -march=i386 -Werror -Wall -pedantic -std=c89 -o asm-i386 -lbsd -x c - + +cat libc-freestanding.c asm-i386.c | pcc -g -O1 -march=i386 -ffreestanding -nostdlib -Wl,-emain -Werror -Wall -std=c89 -o asm-i386 -x c - +# to use libc and syscall of the host +# valgrind fails in SIGILL at unhandled instruction bytes: 0xC8 0x4 0x0 0x0 +cat libc-hosted.c asm-i386.c | pcc -g -O1 -march=i386 -Werror -Wall -std=c89 -o asm-i386 -lbsd -x c - + cat libc-freestanding.c asm-i386.c _start-stub.c | tcc -g -m32 -march=i386 -nostdlib -std=c89 -Werror -Wall -o asm-i386 - +cat libc-freestanding.c asm-i386.c _start-stub.c | tcc -g -m32 -march=i386 -nostdlib -std=c89 -Werror -Wall -o asm-i386 - + +# -nostdlib segfaults with tcc 0.9.27 +# hangs with git version above 0.9.27 +cat libc-freestanding.c asm-i386.c | tcc -g -m32 -march=i386 -fno-builtin -std=c89 -Werror -Wall -o asm-i386 - +# needs git version above 0.9.27 +cat libc-freestanding.c asm-i386.c _start-stub.c | tcc -g -m32 -march=i386 -nostdlib -std=c89 -Werror -Wall -o asm-i386 - +# to use libc and syscall of the host +cat libc-hosted.c asm-i386.c | tcc -g -m32 -march=i386 -std=c89 -Werror -Wall -o asm-i386 -lbsd - # for debugging freestandig mode cat libc-freestanding.c asm-i386.c > test.c |