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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
| commit | 8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch) | |
| tree | df55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/thread/mips64/clone.s | |
| parent | Initial commit. (diff) | |
| download | wasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz wasi-libc-upstream/0.0_git20221206.8b7148f.zip | |
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/thread/mips64/clone.s')
| -rw-r--r-- | libc-top-half/musl/src/thread/mips64/clone.s | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/mips64/clone.s b/libc-top-half/musl/src/thread/mips64/clone.s new file mode 100644 index 0000000..2d86899 --- /dev/null +++ b/libc-top-half/musl/src/thread/mips64/clone.s @@ -0,0 +1,34 @@ +.set noreorder +.global __clone +.hidden __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + and $5, $5, -16 # aligning stack to double word + dsubu $5, $5, 16 + sd $4, 0($5) # save function pointer + sd $7, 8($5) # save argument pointer + + # Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,tls,ctid) + # sys_clone(u64 flags, u64 ustack_base, u64 parent_tidptr, u64 child_tidptr, u64 tls) + move $4, $6 + move $6, $8 + move $7, $9 + move $8, $10 + li $2, 5055 + syscall + beq $7, $0, 1f + nop + jr $ra + dsubu $2, $0, $2 +1: beq $2, $0, 1f + nop + jr $ra + nop +1: ld $25, 0($sp) # function pointer + ld $4, 8($sp) # argument pointer + jalr $25 # call the user's function + nop + move $4, $2 + li $2, 5058 + syscall |