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Alpha rt_sigaction syscall uses a slight different kernel ABI than generic one: arch/alpha/kernel/signal.c 90 SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, 91 struct sigaction __user *, oact, 92 size_t, sigsetsize, void __user *, restorer) Similar as sparc, the syscall expects a restorer function. However different than sparc, alpha defines the restorer as the 5th argument (sparc defines as the 4th). This patch removes the arch-specific alpha sigaction implementation, adapt the Linux generic one to different restore placements (through STUB macro), and make alpha use the Linux generic kernel_sigaction definition. Checked on alpha-linux-gnu and x86_64-linux-gnu (for sanity). * sysdeps/unix/sysv/linux/alpha/Makefile: Update comment about __syscall_rt_sigaction. * sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h (kernel_sigaction): Use Linux generic defintion. (STUB): Define. (__syscall_rt_sigreturn, __syscall_sigreturn): Add prototype. * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S (__syscall_rt_sigaction): Remove implementation. (__syscall_sigreturn, __syscall_rt_sigreturn): Define as global and hidden. * sysdeps/unix/sysv/linux/alpha/sigaction.c: Remove file. * sysdeps/unix/sysv/linux/alpha/sysdep.h (INLINE_SYSCALL, INTERNAL_SYSCALL): Remove definitions. * sysdeps/unix/sysv/linux/sigaction.c: Define STUB to accept both the action and signal set size. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (STUB): Redefine. * sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c (STUB): Likewise.
43 lines
1.1 KiB
Makefile
43 lines
1.1 KiB
Makefile
ifeq ($(subdir),stdlib)
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gen-as-const-headers += ucontext-offsets.sym
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endif
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ifeq ($(subdir),misc)
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sysdep_headers += alpha/ptrace.h alpha/regdef.h sys/io.h
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sysdep_routines += ieee_get_fp_control ieee_set_fp_control \
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ioperm
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# Support old timeval32 entry points
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sysdep_routines += osf_gettimeofday osf_settimeofday \
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osf_getitimer osf_setitimer osf_utimes \
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osf_getrusage osf_wait4
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CFLAGS-ioperm.c = -Wa,-mev6
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endif
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ifeq ($(subdir),signal)
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sysdep_routines += rt_sigaction
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endif
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ifeq ($(subdir),math)
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# These 2 routines are normally in libgcc{.a,_s.so.1}.
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# However, alpha -mlong-double-128 libgcc relies on
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# glibc providing _Ots* routines and without these files
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# glibc relies on __multc3/__divtc3 only provided
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# by libgcc if configured with -mlong-double-128.
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# Provide these routines here as well.
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libm-routines += multc3 divtc3
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endif # math
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ifeq ($(subdir),nptl)
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# pull in __syscall_error routine, __sigprocmask, sigaction stubs.
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libpthread-routines += sysdep sigprocmask rt_sigaction
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libpthread-shared-only-routines += sysdep sigprocmask rt_sigaction
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endif
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ifeq ($(subdir),conform)
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# For bug 21260.
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conformtest-xfail-conds += alpha-linux
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endif
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