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7f33b09c65
Linux-specific code that is required for maintaining ABI compatibility.
This doesn't contain the actual system call interface, that is split out
in order to avoid having a patch that's too big.
2018-01-29 Palmer Dabbelt <palmer@sifive.com>
* sysdeps/riscv/nptl/pthread-offsets.h: New file.
* sysdeps/riscv/nptl/pthreaddef.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/fcntl.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/mman.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/bits/sigcontext.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/dl-cache.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/flush-icache.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/getcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/makecontext.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/readelflib.c: Likewise.
* sysdeps/unix/sysv/linux/riscv/register-dump.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/swapcontext.S: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/cachectl.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/procfs.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/sys/user.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/ucontext-macros.h: Likewise.
* sysdeps/unix/sysv/linux/riscv/ucontext_i.sym: Likewise.
32 lines
788 B
Plaintext
32 lines
788 B
Plaintext
#include <inttypes.h>
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#include <signal.h>
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#include <stddef.h>
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#include <sys/ucontext.h>
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-- Constants used by the rt_sigprocmask call.
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SIG_BLOCK
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SIG_SETMASK
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_NSIG8 (_NSIG / 8)
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-- Offsets of the fields in the ucontext_t structure.
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#define ucontext(member) offsetof (ucontext_t, member)
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#define stack(member) ucontext (uc_stack.member)
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#define mcontext(member) ucontext (uc_mcontext.member)
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UCONTEXT_FLAGS ucontext (__uc_flags)
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UCONTEXT_LINK ucontext (uc_link)
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UCONTEXT_STACK ucontext (uc_stack)
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UCONTEXT_MCONTEXT ucontext (uc_mcontext)
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UCONTEXT_SIGMASK ucontext (uc_sigmask)
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STACK_SP stack (ss_sp)
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STACK_SIZE stack (ss_size)
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STACK_FLAGS stack (ss_flags)
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MCONTEXT_GREGS mcontext (__gregs)
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MCONTEXT_FPREGS mcontext (__fpregs)
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UCONTEXT_SIZE sizeof (ucontext_t)
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