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| author | Rich Felker <dalias@aerifal.cx> | 2016-04-18 05:19:13 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2016-04-18 05:19:13 +0000 |
| commit | 5972c4a4113e2a4de5edf519faf15296ae1eb3ed (patch) | |
| tree | 6e808f23bb96a9b8a82eb505e2a719f4f42a758d /src/thread/mipsn32/clone.s | |
| parent | 6d99ad91e869aab35a4d76d34c3c9eaf29482bad (diff) | |
| download | musl-5972c4a4113e2a4de5edf519faf15296ae1eb3ed.tar.gz musl-5972c4a4113e2a4de5edf519faf15296ae1eb3ed.tar.xz musl-5972c4a4113e2a4de5edf519faf15296ae1eb3ed.zip | |
add mips n32 port (ILP32 ABI for mips64)
based on patch submitted by Jaydeep Patil, with minor changes.
Diffstat (limited to 'src/thread/mipsn32/clone.s')
| -rw-r--r-- | src/thread/mipsn32/clone.s | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/thread/mipsn32/clone.s b/src/thread/mipsn32/clone.s new file mode 100644 index 00000000..51035852 --- /dev/null +++ b/src/thread/mipsn32/clone.s @@ -0,0 +1,30 @@ +.set noreorder +.global __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + and $5, $5, -16 # aligning stack to double word + subu $5, $5, 16 + sw $4, 0($5) # save function pointer + sw $7, 4($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, 6055 + syscall + beq $7, $0, 1f + nop + jr $ra + subu $2, $0, $2 +1: beq $2, $0, 1f + nop + jr $ra + nop +1: lw $25, 0($sp) # function pointer + lw $4, 4($sp) # argument pointer + jr $25 # call the user's function + nop |