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aarch64: Tabify sysdep-cancel.h

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This commit is contained in:
Richard Henderson 2014-05-25 13:00:00 -04:00
parent 26b0d2e1a1
commit af4e8ef944
2 changed files with 56 additions and 51 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2014-05-29 Richard Henderson <rth@twiddle.net>
* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h: Adjust
whitespace; tabs before and after asm mnemonics.
2014-05-29 Eric Wong <normalperson@yhbt.net> 2014-05-29 Eric Wong <normalperson@yhbt.net>
[BZ #15132] [BZ #15132]

102
sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h
View File

@ -26,42 +26,42 @@
# undef PSEUDO # undef PSEUDO
# define PSEUDO(name, syscall_name, args) \ # define PSEUDO(name, syscall_name, args) \
.section ".text"; \ .section ".text"; \
.type __##syscall_name##_nocancel,%function; \ .type __##syscall_name##_nocancel,%function; \
.globl __##syscall_name##_nocancel; \ .globl __##syscall_name##_nocancel; \
__##syscall_name##_nocancel: \ __##syscall_name##_nocancel: \
cfi_startproc; \ cfi_startproc; \
DO_CALL (syscall_name, args); \ DO_CALL (syscall_name, args); \
cmn x0, 4095; \ cmn x0, 4095; \
b.cs .Lsyscall_error; \ b.cs .Lsyscall_error; \
PSEUDO_RET; \ PSEUDO_RET; \
cfi_endproc; \ cfi_endproc; \
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \ .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
ENTRY (name); \ ENTRY (name); \
SINGLE_THREAD_P; \ SINGLE_THREAD_P; \
bne .Lpseudo_cancel; \ bne .Lpseudo_cancel; \
DO_CALL (syscall_name, 0); \ DO_CALL (syscall_name, 0); \
cmn x0, 4095; \ cmn x0, 4095; \
b.cs .Lsyscall_error; \ b.cs .Lsyscall_error; \
PSEUDO_RET; \ PSEUDO_RET; \
.Lpseudo_cancel: \ .Lpseudo_cancel: \
DOCARGS_##args; /* save syscall args etc. around CENABLE. */ \ DOCARGS_##args; /* save syscall args etc. around CENABLE. */ \
CENABLE; \ CENABLE; \
mov x16, x0; /* put mask in safe place. */ \ mov x16, x0; /* put mask in safe place. */ \
UNDOCARGS_##args; /* restore syscall args. */ \ UNDOCARGS_##args; /* restore syscall args. */ \
mov x8, SYS_ify (syscall_name); /* do the call. */ \ mov x8, SYS_ify (syscall_name); /* do the call. */ \
svc 0; \ svc 0; \
str x0, [sp, -16]!; /* save syscall return value. */ \ str x0, [sp, -16]!; /* save syscall return value. */ \
cfi_adjust_cfa_offset (16); \ cfi_adjust_cfa_offset (16); \
mov x0, x16; /* get mask back. */ \ mov x0, x16; /* get mask back. */ \
CDISABLE; \ CDISABLE; \
ldr x0, [sp], 16; \ ldr x0, [sp], 16; \
cfi_adjust_cfa_offset (-16); \ cfi_adjust_cfa_offset (-16); \
ldr x30, [sp], 16; \ ldr x30, [sp], 16; \
cfi_adjust_cfa_offset (-16); \ cfi_adjust_cfa_offset (-16); \
cfi_restore (x30); \ cfi_restore (x30); \
cmn x0, 4095; \ cmn x0, 4095; \
b.cs .Lsyscall_error; b.cs .Lsyscall_error;
# define DOCARGS_0 \ # define DOCARGS_0 \
str x30, [sp, -16]!; \ str x30, [sp, -16]!; \
@ -162,9 +162,9 @@ extern int __local_multiple_threads attribute_hidden;
# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1) # define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
# else # else
# define SINGLE_THREAD_P \ # define SINGLE_THREAD_P \
adrp x16, __local_multiple_threads; \ adrp x16, __local_multiple_threads; \
ldr w16, [x16, :lo12:__local_multiple_threads]; \ ldr w16, [x16, :lo12:__local_multiple_threads]; \
cmp w16, 0; cmp w16, 0;
# endif # endif
# else # else
/* There is no __local_multiple_threads for librt, so use the TCB. */ /* There is no __local_multiple_threads for librt, so use the TCB. */
@ -174,18 +174,18 @@ extern int __local_multiple_threads attribute_hidden;
header.multiple_threads) == 0, 1) header.multiple_threads) == 0, 1)
# else # else
# define SINGLE_THREAD_P \ # define SINGLE_THREAD_P \
stp x0, x30, [sp, -16]!; \ stp x0, x30, [sp, -16]!; \
cfi_adjust_cfa_offset (16); \ cfi_adjust_cfa_offset (16); \
cfi_rel_offset (x0, 0); \ cfi_rel_offset (x0, 0); \
cfi_rel_offset (x30, 8); \ cfi_rel_offset (x30, 8); \
bl __read_tp; \ bl __read_tp; \
sub x0, x0, PTHREAD_SIZEOF; \ sub x0, x0, PTHREAD_SIZEOF; \
ldr w16, [x0, PTHREAD_MULTIPLE_THREADS_OFFSET]; \ ldr w16, [x0, PTHREAD_MULTIPLE_THREADS_OFFSET]; \
ldp x0, x30, [sp], 16; \ ldp x0, x30, [sp], 16; \
cfi_restore (x0); \ cfi_restore (x0); \
cfi_restore (x30); \ cfi_restore (x30); \
cfi_adjust_cfa_offset (-16); \ cfi_adjust_cfa_offset (-16); \
cmp w16, 0 cmp w16, 0;
# endif # endif
# endif # endif