[LLVMdev] [llvmlinux] [LLVMLinux] Regression: rev 208833/208834 break linux kernel build in ASM handling

Jan-Simon Möller dl9pf at gmx.de
Fri May 16 08:01:09 PDT 2014


The unrecognized junk is (path shortened, so don't worry):

.Ldebug_range:
	.file	1 "/src/linux/include/linux" "export.h"
	.file	2 "/src/linux/init" "main.c"
	.file	3 "/src/linux/include/linux" "types.h"
	.file	4 "/src/linux/include/linux" "init.h"
	.file	5 "/src/linux/include/linux" "moduleparam.h"
	.file	6 "/src/linux/include/asm-generic" "int-ll64.h"
	.file	7 "/src/linux/include/linux" "kernel.h"
	.file	8 "/src/linux/include/linux" "completion.h"
	.file	9 "/src/linux/arch/arm/include/asm" "spinlock_types.h"
	.file	10 "/src/linux/include/linux" "spinlock_types.h"
	.file	11 "/src/linux/include/linux" "wait.h"
	.file	12 "/src/linux/include/asm-generic" "preempt.h"
	.file	13 "/src/linux/arch/arm/include/asm" "thread_info.h"
	.file	14 "/src/linux/include/linux" "sched.h"
	.file	15 "/src/linux/include/linux" "llist.h"
	.file	16 "/src/linux/include/linux" "rbtree.h"
	.file	17 "/src/linux/include/linux" "timerqueue.h"
	.file	18 "/src/linux/include/linux" "ktime.h"
	.file	19 "/src/linux/include/linux" "hrtimer.h"
	.file	20 "/src/linux/include/uapi/asm-generic" "posix_types.h"
	.file	21 "/src/linux/include/linux" "cpumask.h"
	.file	22 "/src/linux/include/linux" "plist.h"
	.file	23 "/src/linux/include/linux" "mm_types.h"
	.file	24 "/src/linux/arch/arm/include/asm" "pgtable-2level-types.h"
	.file	25 "/src/linux/include/linux" "rmap.h"
	.file	26 "/src/linux/include/uapi/asm-generic" "int-ll64.h"
	.file	27 "/src/linux/include/linux" "rwsem-spinlock.h"
	.file	28 "/src/linux/include/linux" "mm.h"
	.file	29 "/src/linux/include/linux" "fs.h"
	.file	30 "/src/linux/include/linux" "uidgid.h"
	.file	31 "/src/linux/include/linux" "dcache.h"
	.file	32 "/src/linux/include/linux" "seqlock.h"
	.file	33 "/src/linux/include/linux" "list_bl.h"
	.file	34 "/src/linux/include/linux" "lockref.h"
	.file	35 "/src/linux/include/linux" "path.h"
	.file	36 "/src/linux/include/linux" "module.h"
	.file	37 "/src/linux/include/linux" "kobject.h"
	.file	38 "/src/linux/include/linux" "sysfs.h"
	.file	39 "/src/linux/include/linux" "kobject_ns.h"
	.file	40 "/src/linux/include/linux" "kernfs.h"
	.file	41 "/src/linux/include/linux" "idr.h"
	.file	42 "/src/linux/include/linux" "seq_file.h"
	.file	43 "/src/linux/include/linux" "mutex.h"
	.file	44 "/src/linux/include/linux" "poll.h"
	.file	45 "/src/linux/include/linux" "pid.h"
	.file	46 "/src/linux/include/linux" "kref.h"
	.file	47 "/src/linux/include/linux" "pid_namespace.h"
	.file	48 "/src/linux/include/linux" "slub_def.h"
	.file	49 "/src/linux/include/asm-generic" "atomic-long.h"
	.file	50 "/src/linux/include/linux" "workqueue.h"
	.file	51 "/src/linux/include/linux" "nfs_fs_i.h"
	.file	52 "/src/linux/include/linux" "rwlock_types.h"
	.file	53 "/src/linux/include/linux" "cred.h"
	.file	54 "/src/linux/include/linux" "capability.h"
	.file	55 "/src/linux/arch/arm/include/asm" "uaccess.h"
	.file	56 "/src/linux/arch/arm/include/asm" "module.h"
	.file	57 "/src/linux/include/asm-generic" "bug.h"
	.file	58 "/src/linux/include/uapi/linux" "elf.h"
	.file	59 "/src/linux/include/linux" "lockdep.h"
	.file	60 "/src/linux/include/linux" "writeback.h"
	.file	61 "/src/linux/include/linux" "quota.h"
	.file	62 "/src/linux/include/linux" "projid.h"
	.file	63 "/src/linux/include/uapi/linux" "quota.h"
	.file	64 "/src/linux/include/uapi/linux" "dqblk_xfs.h"
	.file	65 "/src/linux/include/linux" "xattr.h"
	.file	66 "/src/linux/include/linux" "genhd.h"
	.file	67 "/src/linux/include/linux" "device.h"
	.file	68 "/src/linux/include/linux" "pm.h"
	.file	69 "/src/linux/include/linux" "pm_wakeup.h"
	.file	70 "/src/linux/include/linux" "timer.h"
	.file	71 "/src/linux/arch/arm/include/asm" "device.h"
	.file	72 "/src/linux/include/linux" "klist.h"
	.file	73 "/src/linux/include/linux" "blkdev.h"
	.file	74 "/src/linux/include/linux" "smp.h"
	.file	75 "/src/linux/include/linux" "blk_types.h"
	.file	76 "/src/linux/include/linux" "bio.h"
	.file	77 "/src/linux/include/linux" "mempool.h"
	.file	78 "/src/linux/include/linux" "iocontext.h"
	.file	79 "/src/linux/include/linux" "radix-tree.h"
	.file	80 "/src/linux/include/linux" "elevator.h"
	.file	81 "/src/linux/include/linux" "backing-dev.h"
	.file	82 "/src/linux/include/linux" "percpu_counter.h"
	.file	83 "/src/linux/include/linux" "flex_proportions.h"
	.file	84 "/src/linux/include/linux" "shrinker.h"
	.file	85 "/src/linux/include/linux" "nodemask.h"
	.file	86 "/src/linux/include/linux" "list_lru.h"
	.file	87 "/src/linux/include/uapi/linux" "time.h"
	.file	88 "/src/linux/include/linux" "stat.h"
	.file	89 "/src/linux/include/uapi/linux" "fiemap.h"
	.file	90 "/src/linux/include/linux" "cdev.h"
	.file	91 "/src/linux/include/linux" "migrate_mode.h"
	.file	92 "/src/linux/include/linux" "swap.h"
	.file	93 "/src/linux/arch/arm/include/asm" "atomic.h"
	.file	94 "/src/linux/arch/arm/include/asm" "mmu.h"
	.file	95 "/src/linux/include/linux" "uprobes.h"
	.file	96 "/src/linux/include/asm-generic" "cputime_jiffies.h"
	.file	97 "/src/linux/include/linux" "sem.h"
	.file	98 "/src/linux/arch/arm/include/asm" "processor.h"
	.file	99 "/src/linux/include/linux" "perf_event.h"
	.file	100 "/src/linux/include/asm-generic" "local64.h"
	.file	101 "/src/linux/include/uapi/linux" "perf_event.h"
	.file	102 "/src/linux/arch/arm/include/asm" "hw_breakpoint.h"
	.file	103 "/src/linux/include/linux" "irq_work.h"
	.file	104 "/src/linux/arch/arm/include/asm" "ptrace.h"
	.file	105 "/src/linux/include/linux" "nsproxy.h"
	.file	106 "/src/linux/include/linux" "signal.h"
	.file	107 "/src/linux/arch/arm/include/asm" "signal.h"
	.file	108 "/src/linux/include/linux" "tty.h"
	.file	109 "/src/linux/include/linux" "tty_driver.h"
	.file	110 "/src/linux/include/uapi/asm-generic" "termbits.h"
	.file	111 "/src/linux/include/uapi/asm-generic" "termios.h"
	.file	112 "/src/linux/include/uapi/linux" "termios.h"
	.file	113 "/src/linux/include/linux" "tty_ldisc.h"
	.file	114 "/src/linux/include/linux" "task_io_accounting.h"
	.file	115 "/src/linux/include/uapi/linux" "resource.h"
	.file	116 "/src/linux/include/uapi/asm-generic" "signal-defs.h"
	.file	117 "/src/linux/include/linux" "seccomp.h"
	.file	118 "/src/linux/include/uapi/asm-generic" "siginfo.h"
	.file	119 "/src/linux/include/linux" "cgroup.h"
	.file	120 "/src/linux/include/linux" "percpu-refcount.h"
	.file	121 "/src/linux/arch/arm/include/asm" "fpstate.h"
	.file	122 "/src/linux/include/linux" "thread_info.h"
	.file	123 "/src/linux/include/uapi/asm-generic" "poll.h"
	.file	124 "/src/linux/include/linux" "rcupdate.h"
	.file	125 "/src/linux/include/linux" "mempolicy.h"
	.file	126 "/src/linux/include/linux" "kmod.h"
	.file	127 "/src/linux/include/linux" "cpuset.h"
	.file	128 "/src/linux/include/linux" "spinlock.h"
	.file	129 "/src/linux/include/linux" "spinlock_api_smp.h"
	.file	130 "/src/linux/arch/arm/include/asm" "spinlock.h"
	.file	131 "/src/linux/arch/arm/include/asm" "irqflags.h"
	.file	132 "/src/linux/include/linux" "ftrace.h"
	.file	133 "/src/linux/include/linux" "efi.h"
	.file	134 "/src/linux/include/linux" "sfi.h"
	.file	135 "/src/linux/include/linux" "delayacct.h"
	.file	136 "/src/linux/include/linux" "taskstats_kern.h"
	.file	137 "/src/linux/include/linux" "security.h"
	.file	138 "/src/linux/include/linux" "acpi.h"
	.file	139 "/src/linux/include/linux" "kmemleak.h"
	.file	140 "/src/linux/include/linux" "debugobjects.h"
	.file	141 "/src/linux/include/linux" "page_cgroup.h"
	.file	142 "/src/linux/include/linux" "context_tracking.h"
	.file	143 "/src/linux/include/linux" "tick.h"
	.file	144 "/src/linux/include/linux" "jump_label.h"
	.file	145 "/src/linux/include/linux" "bootmem.h"
	.file	146 "/src/linux/include/linux" "stackprotector.h"
	.file	147 "/src/linux/include/linux" "mmzone.h"
	.file	148 "/src/linux/include/linux" "memory_hotplug.h"
	.file	149 "/src/linux/include/linux" "stddef.h"
	.file	150 "/src/linux/include/linux" "cpu.h"


-- 

Dipl.-Ing.
Jan-Simon Möller

jansimon.moeller at gmx.de
Am Freitag, 16. Mai 2014, 16:32:48 schrieb Jan-Simon Möller:
> Hi !
> 
> I reproduced it on the file init/main.c
> 
> The invocation, log and main.i / main.s is attached.
> 
> > On 16 May 2014 14:01, Jan-Simon Möller <dl9pf at gmx.de> wrote:
> > > A bisection points to
> > > 
> > >     git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208833
> > >     git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208834
> > 
> > Hi Jan,
> > 
> > These commits really seem to have no impact whatsoever (default is
> > still false, no changes in default command line options).
> > 
> > > --- snip ---
> > > /tmp/vfpmodule-0d3341.s: Assembler messages:
> > > /tmp/vfpmodule-0d3341.s:64: Error: junk at end of line, first
> > > unrecognized
> > > character is `"'
> > > /tmp/vfpmodule-0d3341.s:65: Error: junk at end of line, first
> > > unrecognized
> > > character is `"'
> > > /tmp/vfpmodule-0d3341.s:66: Error: junk at end of line, first
> > > unrecognized
> > > character is `"'
> > > --- snip ---
> > 
> > Can you send the contents of the temporary ASM file, so we have an
> > idea what's the offending junk?
> > 
> > cheers,
> > --renato





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