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DRAFT riscv64: Fix arguments of main function in tcc.

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* lib/linux/riscv64-mes-tcc/crt1.c

Co-authored-by: Ekaitz Zarraga <ekaitz@elenq.tech>.
This commit is contained in:
Andrius Štikonas 2023-10-06 22:51:27 +01:00 committed by Janneke Nieuwenhuizen
parent 958da104e5
commit f49689d31a
1 changed files with 14 additions and 0 deletions
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lib/linux/riscv64-mes-tcc/crt1.c
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@ -45,7 +45,21 @@ _start ()
"addi a1, s0, 8\n\t" // a1 argv "addi a1, s0, 8\n\t" // a1 argv
"mv a2, t0\n\t" // a2 envp "mv a2, t0\n\t" // a2 envp
// Push arguments to stack
"addi sp, sp, -32\n\t"
"sd sp, a0, 8\n\t" // argc
"sd sp, a1, 16\n\t" // argv
"sd sp, a2, 24\n\t" // envp
"jal ra, __init_io\n\t" "jal ra, __init_io\n\t"
// Recover stack
"ld a0, sp, 8\n\t" // a0 argc
"ld a1, sp, 16\n\t" // a0 argc
"ld a2, sp, 24\n\t" // a0 argc
"addi sp, sp, 32\n\t"
"jal ra, main\n\t" "jal ra, main\n\t"
"li a7, 93\n\t" // SYS_exit "li a7, 93\n\t" // SYS_exit