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Viewing changes to sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2012-02-08 01:58:09 UTC
  • mfrom: (1.5.3) (288.1.12 precise)
  • Revision ID: package-import@ubuntu.com-20120208015809-ulscst7uteq3e22z
Tags: 2.15~pre6-0ubuntu10
Merge from Debian (r5151, 2.13-26).

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sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
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/* Copyright (C) 1997, 2002, 2003, 2004, 2006, 2008
 
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/* Copyright (C) 1997, 2002, 2003, 2004, 2006, 2008, 2011
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   Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997.
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#define LOC(name)  .L##name
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        /* If the offset to __syscall_error fits into a signed 22-bit
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         * immediate branch offset, the linker will relax the call into
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         * a normal branch.
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         */
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#define PSEUDO(name, syscall_name, args)        \
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        .text;                                  \
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        .globl          __syscall_error;        \
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ENTRY(name);                                    \
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        LOADSYSCALL(syscall_name);              \
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        ta              0x10;                   \
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        bcc             1f;                     \
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         mov            %o7, %g1;               \
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        call            __syscall_error;        \
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         mov            %g1, %o7;               \
 
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         nop;                                   \
 
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        SYSCALL_ERROR_HANDLER                   \
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1:
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#define PSEUDO_NOERRNO(name, syscall_name, args)\
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#define PSEUDO_END(name)                        \
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        END(name)
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#ifndef PIC
 
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# define SYSCALL_ERROR_HANDLER                  \
 
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        mov     %o7, %g1;                       \
 
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        call    __syscall_error;                \
 
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         mov    %g1, %o7;
 
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#else
 
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# if RTLD_PRIVATE_ERRNO
 
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#  define SYSCALL_ERROR_HANDLER                 \
 
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0:      SETUP_PIC_REG(o2,g1)                    \
 
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        sethi   %hi(rtld_errno), %g1;           \
 
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        or      %g1, %lo(rtld_errno), %g1;      \
 
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        ld      [%o2 + %g1], %g1;               \
 
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        st      %o0, [%g1];                     \
 
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        jmp     %o7 + 8;                        \
 
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         mov    -1, %o0;
 
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# elif defined _LIBC_REENTRANT
 
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#  ifndef NOT_IN_libc
 
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#   define SYSCALL_ERROR_ERRNO __libc_errno
 
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#  else
 
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#   define SYSCALL_ERROR_ERRNO errno
 
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#  endif
 
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#  define SYSCALL_ERROR_HANDLER                         \
 
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0:      SETUP_PIC_REG(o2,g1)                                    \
 
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        sethi   %tie_hi22(SYSCALL_ERROR_ERRNO), %g1;            \
 
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        add     %g1, %tie_lo10(SYSCALL_ERROR_ERRNO), %g1;       \
 
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        ld      [%o2 + %g1], %g1, %tie_ld(SYSCALL_ERROR_ERRNO); \
 
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        st      %o0, [%g7 + %g1];                               \
 
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        jmp     %o7 + 8;                                        \
 
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         mov    -1, %o0;
 
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# else
 
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#  define SYSCALL_ERROR_HANDLER         \
 
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0:      SETUP_PIC_REG(o2,g1)            \
 
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        sethi   %hi(errno), %g1;        \
 
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        or      %g1, %lo(errno), %g1;   \
 
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        ld      [%o2 + %g1], %g1;       \
 
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        st      %o0, [%g1];             \
 
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        jmp     %o7 + 8;                \
 
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         mov    -1, %o0;
 
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# endif /* _LIBC_REENTRANT */
 
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#endif  /* PIC */
 
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#else  /* __ASSEMBLER__ */
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#if defined SHARED && defined DO_VERSIONING && defined PIC \
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    && !defined NO_HIDDEN && !defined NOT_IN_libc
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# define CALL_ERRNO_LOCATION "call   __GI___errno_location;"
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#else
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# define CALL_ERRNO_LOCATION "call   __errno_location;"
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#endif
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#define __SYSCALL_STRING                                                \
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        "ta     0x10;"                                                  \
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        "bcs    2f;"                                                    \
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        " nop;"                                                         \
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        "1:"                                                            \
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        ".subsection 2;"                                                \
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        "2:"                                                            \
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        "save   %%sp, -192, %%sp;"                                      \
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        CALL_ERRNO_LOCATION                                             \
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        " nop;"                                                         \
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        "st     %%i0,[%%o0];"                                           \
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        "ba     1b;"                                                    \
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        " restore %%g0, -1, %%o0;"                                      \
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        ".previous;"
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#define __CLONE_SYSCALL_STRING                                          \
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        "ta     0x10;"                                                  \
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        "bcs    2f;"                                                    \
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        " sub   %%o1, 1, %%o1;"                                         \
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        "and    %%o0, %%o1, %%o0;"                                      \
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        "1:"                                                            \
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        ".subsection 2;"                                                \
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        "2:"                                                            \
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        "save   %%sp, -192, %%sp;"                                      \
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        CALL_ERRNO_LOCATION                                             \
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        " nop;"                                                         \
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        "st     %%i0, [%%o0];"                                          \
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        "ba     1b;"                                                    \
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        " restore %%g0, -1, %%o0;"                                      \
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        ".previous;"
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#define __INTERNAL_SYSCALL_STRING                                       \
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        "ta     0x10;"                                                  \
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        "bcs,a  1f;"                                                    \
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        " sub   %%g0, %%o0, %%o0;"                                      \
 
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        "bcc    1f;"                                                    \
 
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        " mov   0, %%g1;"                                               \
 
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        "sub    %%g0, %%o0, %%o0;"                                      \
 
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        "mov    1, %%g1;"                                               \
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        "1:"
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#define __SYSCALL_CLOBBERS                                              \