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* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (PSEUDO): Use and require CFI assembler directives. * sysdeps/unix/sysv/linux/alpha/vfork.S: Likewise.

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2003-06-05  Richard Henderson  <rth@redhat.com>

	* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (PSEUDO): Use
	and require CFI assembler directives.
	* sysdeps/unix/sysv/linux/alpha/vfork.S: Likewise.
This commit is contained in:
Richard Henderson 2003-06-06 05:51:03 +00:00
parent 6f1e513dbb
commit 63e1f70d4d
3 changed files with 33 additions and 9 deletions
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6
linuxthreads/ChangeLog
View File

@ -1,3 +1,9 @@
2003-06-05 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (PSEUDO): Use
and require CFI assembler directives.
* sysdeps/unix/sysv/linux/alpha/vfork.S: Likewise.
2003-05-30 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h

19
linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h
View File

@ -40,10 +40,11 @@
# define PSEUDO(name, syscall_name, args) \
.globl name; \
.align 4; \
.ent name, 0; \
.type name, @function; \
.usepv name, std; \
cfi_startproc; \
__LABEL(name) \
ldgp gp, 0(pv); \
.prologue 1; \
PSEUDO_PROF; \
PSEUDO_PREPARE_ARGS \
SINGLE_THREAD_P(t0); \
@ -55,7 +56,9 @@ __LABEL($pseudo_ret) \
.subsection 2; \
__LABEL($pseudo_cancel) \
subq sp, 64, sp; \
cfi_def_cfa_offset(64); \
stq ra, 0(sp); \
cfi_offset(ra, -64); \
SAVE_ARGS_##args; \
CENABLE; \
LOAD_ARGS_##args; \
@ -67,19 +70,27 @@ __LABEL($pseudo_cancel) \
ldq ra, 0(sp); \
ldq v0, 8(sp); \
addq sp, 64, sp; \
cfi_remember_state; \
cfi_restore(ra); \
cfi_def_cfa_offset(0); \
ret; \
cfi_restore_state; \
__LABEL($multi_error) \
CDISABLE; \
ldq ra, 0(sp); \
ldq v0, 8(sp); \
addq sp, 64, sp; \
cfi_restore(ra); \
cfi_def_cfa_offset(0); \
__LABEL($syscall_error) \
SYSCALL_ERROR_HANDLER; \
END(name); \
.previous
# undef PSEUDO_END
# define PSEUDO_END(sym)
# define PSEUDO_END(sym) \
.subsection 2; \
cfi_endproc; \
.size sym, .-sym
# define SAVE_ARGS_0 /* Nothing. */
# define SAVE_ARGS_1 SAVE_ARGS_0; stq a0, 8(sp)

17
linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S
View File

@ -19,12 +19,13 @@
#include <sysdep-cancel.h>
.globl __vfork
.align 4
.ent __vfork,0
__LABEL(__vfork)
.globl __vfork
.type __vfork, @function
.usepv __vfork, std
cfi_startproc
__vfork:
ldgp gp, 0(pv)
.prologue 1
PSEUDO_PROF
#ifdef SHARED
@ -46,18 +47,24 @@ __LABEL(__vfork)
fork and vfork object files. */
$do_fork:
subq sp, 16, sp
cfi_adjust_cfa_offset(16)
stq ra, 0(sp)
cfi_offset(ra, -16)
jsr ra, HIDDEN_JUMPTARGET (__fork)
ldgp gp, 0(ra)
ldq ra, 0(sp)
addq sp, 16, sp
cfi_restore(ra)
cfi_adjust_cfa_offset(-16)
ret
$syscall_error:
SYSCALL_ERROR_HANDLER
#endif
PSEUDO_END(__vfork)
cfi_endproc
.size __vfork, .-__vfork
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)