diff options
Diffstat (limited to 'libc/sysdeps/linux/xtensa/vfork.S')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/vfork.S | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/libc/sysdeps/linux/xtensa/vfork.S b/libc/sysdeps/linux/xtensa/vfork.S index 830a0cd4d..6e490fe45 100644 --- a/libc/sysdeps/linux/xtensa/vfork.S +++ b/libc/sysdeps/linux/xtensa/vfork.S @@ -52,19 +52,19 @@ ENTRY (__vfork) movi a6, .Ljumptable - extui a2, a0, 30, 2 // call-size: call4/8/12 = 1/2/3 - addx4 a4, a2, a6 // find return address in jumptable + extui a2, a0, 30, 2 /* call-size: call4/8/12 = 1/2/3 */ + addx4 a4, a2, a6 /* find return address in jumptable */ l32i a4, a4, 0 add a4, a4, a6 slli a2, a2, 30 - xor a3, a0, a2 // remove call-size from return address - extui a5, a4, 30, 2 // get high bits of jump target + xor a3, a0, a2 /* remove call-size from return addr */ + extui a5, a4, 30, 2 /* get high bits of jump target */ slli a5, a5, 30 - or a3, a3, a5 // stuff them into the return address - xor a4, a4, a5 // clear high bits of jump target - or a0, a4, a2 // create temporary return address - retw // "return" to .L4, .L8, or .L12 + or a3, a3, a5 /* stuff them into the return address */ + xor a4, a4, a5 /* clear high bits of jump target */ + or a0, a4, a2 /* create temporary return address */ + retw /* "return" to .L4, .L8, or .L12 */ .align 4 .Ljumptable: @@ -81,7 +81,7 @@ ENTRY (__vfork) /* Use syscall 'clone'. Set new stack pointer to the same address. */ movi a2, SYS_ify (clone) - movi a3, 0 + movi a3, 0 movi a6, CLONE_VM | CLONE_VFORK | SIGCHLD syscall @@ -95,7 +95,7 @@ ENTRY (__vfork) bgeu a6, a5, 1f jx a7 -1: call4 .Lerr // returns to original caller +1: call4 .Lerr /* returns to original caller */ /* a11: return address */ @@ -121,7 +121,7 @@ ENTRY (__vfork) bgeu a10, a9, 1f jx a11 -1: call8 .Lerr // returns to original caller +1: call8 .Lerr /* returns to original caller */ /* a15: return address */ @@ -148,18 +148,18 @@ ENTRY (__vfork) bgeu a14, a13, 1f jx a15 -1: call12 .Lerr // returns to original caller +1: call12 .Lerr /* returns to original caller */ .align 4 .Lerr: entry a1, 16 /* Restore the return address. */ - extui a4, a0, 30, 2 // get the call-size bits + extui a4, a0, 30, 2 /* get the call-size bits */ slli a4, a4, 30 - slli a3, a3, 2 // clear high bits of target address + slli a3, a3, 2 /* clear high bits of target address */ srli a3, a3, 2 - or a0, a3, a4 // combine them + or a0, a3, a4 /* combine them */ PSEUDO_END (__vfork) .Lpseudo_end: |