LLVMでビルドしたバイナリをWhisperで流してみる。
#include <stdio.h> int main(int argc, char **argv) { printf("Hello World\n"); if (argc > 1) { printf("%s\n", argv[1]); } return 0; }
/home/msyksphinz/llvm/LLVM-20.1.2-Linux-X64/bin/clang --target=riscv64-unknown-linux-gnu -march=rv64gc --sysroot=/home/msyksphinz/riscv64-linux/sysroot --gcc-toolchain=/home/msyksphinz/riscv64-linux hello_world.c -o hello_world
Whisperで動かすと途中で止まってしまう：
/home/msyksphinz/work/riscv/whisper/build-Linux/whisper -t hello_world
Error: Failed stop: Hart 0: 16 consecutive illegal instructions Executed 45 instructions and retired 0 instruction in 0.00s 428571 inst/s hart=0
GLOBAL_OFFSET_TABLEが定義されていないせいでこうなってしまっている？
#1 0 M 0000000000000580 02e000ef r 0000000000000001 0000000000000584 jal x1, . + 0x2e #2 0 M 00000000000005ae 00002197 r 0000000000000003 00000000000025ae auipc x3, 0x2 #3 0 M 00000000000005b2 25218193 r 0000000000000003 0000000000002800 addi x3, x3, 594 #4 0 M 00000000000005b6 8082 r 0000000000000000 0000000000000000 c.jr x1 #5 0 M 0000000000000584 87aa r 000000000000000f 0000000000000000 c.mv x15, x10 #6 0 M 0000000000000586 00002517 r 000000000000000a 0000000000002586 auipc x10, 0x2 #7 0 M 000000000000058a ab253503 r 000000000000000a 0000000000000000 ld x10, -0x54e(x10) [0x2038] #8 0 M 000000000000058e 6582 r 000000000000000b 00010102464c457f c.ldsp x11, 0x0 [0x0] #9 0 M 0000000000000590 0030 r 000000000000000c 0000000000000008 c.addi4spn x12, 0x2 #10 0 M 0000000000000592 ff017113 r 0000000000000002 0000000000000000 andi x2, x2, -16 #11 0 M 0000000000000596 00000697 r 000000000000000d 0000000000000596 auipc x13, 0x0 #12 0 M 000000000000059a 0fa68693 r 000000000000000d 0000000000000690 addi x13, x13, 250 #13 0 M 000000000000059e 00000717 r 000000000000000e 000000000000059e auipc x14, 0x0 #14 0 M 00000000000005a2 14a70713 r 000000000000000e 00000000000006e8 addi x14, x14, 330 #15 0 M 00000000000005a6 880a r 0000000000000010 0000000000000000 c.mv x16, x2 #16 0 M 00000000000005a8 fb9ff0ef r 0000000000000001 00000000000005ac jal x1, . - 0x48 #17 0 M 0000000000000560 00002e17 r 000000000000001c 0000000000002560 auipc x28, 0x2 #18 0 M 0000000000000564 ab8e3e03 r 000000000000001c 0000000000000540 ld x28, -0x548(x28) [0x2018] #19 0 M 0000000000000568 000e0367 r 0000000000000006 000000000000056c jalr x6, 0x0(x28) #20 0 M 0000000000000540 00002397 r 0000000000000007 0000000000002540 auipc x7, 0x2 #21 0 M 0000000000000544 41c30333 r 0000000000000006 000000000000002c sub x6, x6, x28 #22 0 M 0000000000000548 ac83be03 r 000000000000001c ffffffffffffffff ld x28, -0x538(x7) [0x2008] #23 0 M 000000000000054c fd430313 r 0000000000000006 0000000000000000 addi x6, x6, -44 #24 0 M 0000000000000550 ac838293 r 0000000000000005 0000000000002008 addi x5, x7, -1336 #25 0 M 0000000000000554 00135313 r 0000000000000006 0000000000000000 srli x6, x6, 1 #26 0 M 0000000000000558 0082b283 r 0000000000000005 0000000000000000 ld x5, 0x8(x5) [0x2010] #27 0 M 000000000000055c 000e0067 r 0000000000000000 0000000000000000 jalr x0, 0x0(x28) #28 0 M fffffffffffffffe 0000 c 0000000000000300 0000000a00001800 illegal + #28 0 M fffffffffffffffe 0000 c 0000000000000341 fffffffffffffffe illegal + #28 0 M fffffffffffffffe 0000 c 0000000000000342 0000000000000001 illegal + #28 0 M fffffffffffffffe 0000 c 0000000000000343 fffffffffffffffe illegal #29 0 M 0000000000000000 464c457f c 0000000000000300 0000000a00001800 illegal + #29 0 M 0000000000000000 464c457f c 0000000000000341 0000000000000000 illegal + #29 0 M 0000000000000000 464c457f c 0000000000000342 0000000000000002 illegal + #29 0 M 0000000000000000 464c457f c 0000000000000343 0000000000000000 illegal
