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authorSegev Finer <segev208@gmail.com>2018-08-15 20:46:18 +0300
committerRich Felker <dalias@aerifal.cx>2018-08-18 11:22:28 -0400
commit8b2b61e0001281be0dcd3dedc899bf187172fecb (patch)
treeba225d879658123fbb313b8a1bcca76b164cc54f /src/thread/mipsn32
parent91e1e29d6dd92c5e707f05dcc9b2a376b0d8dfa1 (diff)
downloadmusl-8b2b61e0001281be0dcd3dedc899bf187172fecb.tar.gz
mips archs: fix runaway execution if start fn passed to clone returns
Call SYS_exit on return from fn in __clone. This is the expected behavior of this function. Without this the child task will crash on return from fn, since it will return to nowhere.
Diffstat (limited to 'src/thread/mipsn32')
-rw-r--r--src/thread/mipsn32/clone.s5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/thread/mipsn32/clone.s b/src/thread/mipsn32/clone.s
index 51035852..ebf5dbea 100644
--- a/src/thread/mipsn32/clone.s
+++ b/src/thread/mipsn32/clone.s
@@ -26,5 +26,8 @@ __clone:
nop
1: lw $25, 0($sp) # function pointer
lw $4, 4($sp) # argument pointer
- jr $25 # call the user's function
+ jalr $25 # call the user's function
nop
+ move $4, $2
+ li $2, 6058
+ syscall