diff options
Diffstat (limited to 'src/tools/qemu-src')
-rw-r--r-- | src/tools/qemu-src/Makefile | 9 | ||||
-rw-r--r-- | src/tools/qemu-src/test.s | 16 |
2 files changed, 25 insertions, 0 deletions
diff --git a/src/tools/qemu-src/Makefile b/src/tools/qemu-src/Makefile new file mode 100644 index 0000000..1d21811 --- /dev/null +++ b/src/tools/qemu-src/Makefile @@ -0,0 +1,9 @@ +test: test.s + as -o test.o test.s + ld -o test test.o testc.o + +trace: test + qemu-x86_64 -singlestep -d nochain,cpu ./test 2>&1 | awk '/RIP/ { print $$1; }' + +clean: + $(RM) test test-bin test.o diff --git a/src/tools/qemu-src/test.s b/src/tools/qemu-src/test.s new file mode 100644 index 0000000..562b2ec --- /dev/null +++ b/src/tools/qemu-src/test.s @@ -0,0 +1,16 @@ +.section .text, "ax" + +.global _start +_start: + xor %rax, %rax + mov $0x8, %rax +1: + cmp $0, %rax + je 2f + dec %rax + jmp 1b +2: + # x86-64 exit(2) syscall + mov $0, %rdi + mov $60, %rax + syscall |