diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h | 128 |
1 files changed, 103 insertions, 25 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h index a8065c6a8c..fc3c2340b6 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -49,32 +49,27 @@ .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \ .Lpseudo_cancel: \ sts.l pr,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (pr, 0); \ + .LCFI0: \ add _IMM16,r15; \ - cfi_adjust_cfa_offset (16); \ SAVE_ARGS_##args; \ + .LCFI1: \ CENABLE; \ LOAD_ARGS_##args; \ add _IMP16,r15; \ - cfi_adjust_cfa_offset (-16); \ + .LCFI2: \ lds.l @r15+,pr; \ - cfi_adjust_cfa_offset (-4); \ - cfi_restore (pr); \ + .LCFI3: \ DO_CALL(syscall_name, args); \ SYSCALL_INST_PAD; \ sts.l pr,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (pr, 0); \ + .LCFI4: \ mov.l r0,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r0, 0); \ + .LCFI5: \ CDISABLE; \ mov.l @r15+,r0; \ - cfi_adjust_cfa_offset (-4); \ + .LCFI6: \ lds.l @r15+,pr; \ - cfi_adjust_cfa_offset (-4); \ - cfi_restore (pr); \ + .LCFI7: \ mov r0,r1; \ mov _IMM12,r2; \ shad r2,r1; \ @@ -83,17 +78,106 @@ bf .Lpseudo_end; \ .Lsyscall_error: \ SYSCALL_ERROR_HANDLER; \ - .Lpseudo_end: + .Lpseudo_end: \ + /* Create unwinding information for the syscall wrapper. */ \ + .section .eh_frame,"a",@progbits; \ + .Lframe1: \ + .ualong .LECIE1-.LSCIE1; \ + .LSCIE1: \ + .ualong 0x0; \ + .byte 0x1; \ + AUGMENTATION_STRING; \ + .uleb128 0x1; \ + .sleb128 -4; \ + .byte 0x11; \ + AUGMENTATION_PARAM; \ + .byte 0xc; \ + .uleb128 0xf; \ + .uleb128 0x0; \ + .align 2; \ + .LECIE1: \ + .LSFDE1: \ + .ualong .LEFDE1-.LASFDE1; \ + .LASFDE1: \ + .ualong .LASFDE1-.Lframe1; \ + START_SYMBOL_REF; \ + .ualong .Lpseudo_end - .Lpseudo_start; \ + AUGMENTATION_PARAM_FDE; \ + .byte 0x4; \ + .ualong .LCFI0-.Lpseudo_start; \ + .byte 0xe; \ + .uleb128 0x4; \ + .byte 0x91; \ + .uleb128 0x1; \ + .byte 0x4; \ + .ualong .LCFI1-.LCFI0; \ + .byte 0xe; \ + .uleb128 0x14; \ + FRAME_REG_##args; \ + .byte 0x4; \ + .ualong .LCFI2-.LCFI1; \ + .byte 0xe; \ + .uleb128 0x4; \ + .byte 0x4; \ + .ualong .LCFI3-.LCFI2; \ + .byte 0xe; \ + .uleb128 0x0; \ + .byte 0xd1; \ + .byte 0x4; \ + .ualong .LCFI4-.LCFI3; \ + .byte 0xe; \ + .uleb128 0x4; \ + .byte 0x91; \ + .uleb128 0x1; \ + .byte 0x4; \ + .ualong .LCFI5-.LCFI4; \ + .byte 0xe; \ + .uleb128 0x8; \ + .byte 0x80; \ + .uleb128 0x2; \ + .byte 0x4; \ + .ualong .LCFI6-.LCFI5; \ + .byte 0xe; \ + .uleb128 0x4; \ + .byte 0xc0; \ + .byte 0x4; \ + .ualong .LCFI7-.LCFI6; \ + .byte 0xe; \ + .uleb128 0x0; \ + .byte 0xd1; \ + .align 2; \ + .LEFDE1: \ + .previous + +# ifdef SHARED +# define AUGMENTATION_STRING .string "zR" +# define AUGMENTATION_PARAM .uleb128 1; .byte 0x1b +# define AUGMENTATION_PARAM_FDE .uleb128 0 +# define START_SYMBOL_REF .long .Lpseudo_start-. +# else +# define AUGMENTATION_STRING .ascii "\0" +# define AUGMENTATION_PARAM +# define AUGMENTATION_PARAM_FDE +# define START_SYMBOL_REF .long .Lpseudo_start +# endif + +# define FRAME_REG_0 /* Nothing. */ +# define FRAME_REG_1 FRAME_REG_0; .byte 0x84; .uleb128 5 +# define FRAME_REG_2 FRAME_REG_1; .byte 0x85; .uleb128 4 +# define FRAME_REG_3 FRAME_REG_2; .byte 0x86; .uleb128 3 +# define FRAME_REG_4 FRAME_REG_3; .byte 0x87; .uleb128 2 +# define FRAME_REG_5 FRAME_REG_4 +# define FRAME_REG_6 FRAME_REG_5 # undef PSEUDO_END # define PSEUDO_END(sym) \ END (sym) # define SAVE_ARGS_0 /* Nothing. */ -# define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15); cfi_offset (r4,-4) -# define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15); cfi_offset (r5,-8) -# define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15); cfi_offset (r6,-12) -# define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15); cfi_offset (r7,-16) +# define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15) +# define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15) +# define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15) +# define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15) # define SAVE_ARGS_5 SAVE_ARGS_4 # define SAVE_ARGS_6 SAVE_ARGS_5 @@ -161,9 +245,3 @@ # define NO_CANCELLATION 1 #endif - -#ifndef __ASSEMBLER__ -# define RTLD_SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) == 0, 1) -#endif |