From 2ba017a2d5af01cc3ef0dc554252a521e8d7c4f8 Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Fri, 3 Oct 2008 13:59:52 +0000 Subject: - use c89-style comments Closes issue #5194 --- libc/sysdeps/linux/xtensa/__longjmp.S | 6 +++--- libc/sysdeps/linux/xtensa/setjmp.S | 6 +++--- libc/sysdeps/linux/xtensa/vfork.S | 30 +++++++++++++++--------------- libc/sysdeps/linux/xtensa/windowspill.S | 26 +++++++++++++------------- 4 files changed, 34 insertions(+), 34 deletions(-) (limited to 'libc/sysdeps/linux/xtensa') diff --git a/libc/sysdeps/linux/xtensa/__longjmp.S b/libc/sysdeps/linux/xtensa/__longjmp.S index 0fa939095..5d5dd2f5b 100644 --- a/libc/sysdeps/linux/xtensa/__longjmp.S +++ b/libc/sysdeps/linux/xtensa/__longjmp.S @@ -84,7 +84,7 @@ ENTRY (__longjmp) slli a4, a7, 4 sub a6, a8, a4 addi a5, a2, 16 - addi a8, a8, -16 // a8 = end of register overflow area + addi a8, a8, -16 /* a8 = end of register overflow area */ .Lljloop: l32i a7, a5, 0 l32i a4, a5, 4 @@ -105,8 +105,8 @@ ENTRY (__longjmp) case the contents were moved by an alloca after calling setjmp. This is a bit paranoid but it doesn't cost much. */ - l32i a7, a2, 4 // load the target stack pointer - addi a7, a7, -16 // find the destination save area + l32i a7, a2, 4 /* load the target stack pointer */ + addi a7, a7, -16 /* find the destination save area */ l32i a4, a2, 48 l32i a5, a2, 52 s32i a4, a7, 0 diff --git a/libc/sysdeps/linux/xtensa/setjmp.S b/libc/sysdeps/linux/xtensa/setjmp.S index 5e81460c7..cd74caf6e 100644 --- a/libc/sysdeps/linux/xtensa/setjmp.S +++ b/libc/sysdeps/linux/xtensa/setjmp.S @@ -61,13 +61,13 @@ END (setjmp) a3 = int savemask) */ ENTRY (__sigsetjmp) -1: +1: /* Flush registers. */ movi a4, __window_spill callx4 a4 /* Preserve the second argument (savemask) in a15. The selection - of a15 is arbitrary, except it's otherwise unused. There is no + of a15 is arbitrary, except it's otherwise unused. There is no risk of triggering a window overflow since we just returned from __window_spill(). */ mov a15, a3 @@ -90,7 +90,7 @@ ENTRY (__sigsetjmp) slli a4, a3, 4 sub a5, a7, a4 addi a6, a2, 16 - addi a7, a7, -16 // a7 = end of register overflow area + addi a7, a7, -16 /* a7 = end of register overflow area */ .Lsjloop: l32i a3, a5, 0 l32i a4, a5, 4 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: diff --git a/libc/sysdeps/linux/xtensa/windowspill.S b/libc/sysdeps/linux/xtensa/windowspill.S index a63771756..1487f079f 100644 --- a/libc/sysdeps/linux/xtensa/windowspill.S +++ b/libc/sysdeps/linux/xtensa/windowspill.S @@ -26,8 +26,8 @@ .type __window_spill, @function __window_spill: entry a1, 48 - bbci.l a0, 31, .L4 // branch if called with call4 - bbsi.l a0, 30, .L12 // branch if called with call12 + bbci.l a0, 31, .L4 /* branch if called with call4 */ + bbsi.l a0, 30, .L12 /* branch if called with call12 */ /* Called with call8: touch register NUM_REGS-12 (4/20/52) */ .L8: @@ -36,18 +36,18 @@ __window_spill: retw .align 4 -1: _entry a1, 48 // touch NUM_REGS-24 (x/8/40) +1: _entry a1, 48 /* touch NUM_REGS-24 (x/8/40) */ #if XCHAL_NUM_AREGS == 32 mov a8, a0 retw #else mov a12, a0 - _entry a1, 48 // touch NUM_REGS-36 (x/x/28) + _entry a1, 48 /* touch NUM_REGS-36 (x/x/28) */ mov a12, a0 - _entry a1, 48 // touch NUM_REGS-48 (x/x/16) + _entry a1, 48 /* touch NUM_REGS-48 (x/x/16) */ mov a12, a0 - _entry a1, 16 // touch NUM_REGS-60 (x/x/4) + _entry a1, 16 /* touch NUM_REGS-60 (x/x/4) */ #endif #endif mov a4, a0 @@ -62,14 +62,14 @@ __window_spill: retw .align 4 -1: _entry a1, 48 // touch NUM_REGS-20 (x/12/44) +1: _entry a1, 48 /* touch NUM_REGS-20 (x/12/44) */ mov a12, a0 #if XCHAL_NUM_AREGS > 32 - _entry a1, 48 // touch NUM_REGS-32 (x/x/32) + _entry a1, 48 /* touch NUM_REGS-32 (x/x/32) */ mov a12, a0 - _entry a1, 48 // touch NUM_REGS-44 (x/x/20) + _entry a1, 48 /* touch NUM_REGS-44 (x/x/20) */ mov a12, a0 - _entry a1, 48 // touch NUM_REGS-56 (x/x/8) + _entry a1, 48 /* touch NUM_REGS-56 (x/x/8) */ mov a8, a0 #endif #endif @@ -82,14 +82,14 @@ __window_spill: retw .align 4 -1: _entry a1, 48 // touch NUM_REGS-28 (x/4/36) +1: _entry a1, 48 /* touch NUM_REGS-28 (x/4/36) */ #if XCHAL_NUM_AREGS == 32 mov a4, a0 #else mov a12, a0 - _entry a1, 48 // touch NUM_REGS-40 (x/x/24) + _entry a1, 48 /* touch NUM_REGS-40 (x/x/24) */ mov a12, a0 - _entry a1, 48 // touch NUM_REGS-52 (x/x/12) + _entry a1, 48 /* touch NUM_REGS-52 (x/x/12) */ mov a12, a0 #endif #endif -- cgit v1.2.3