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authorAustin Foxley <austinf@cetoncorp.com>2009-10-17 12:26:24 -0700
committerAustin Foxley <austinf@cetoncorp.com>2009-10-17 12:26:24 -0700
commitc68d0fa2d88fc2134a38d99e7e944828384a7671 (patch)
tree6596943bd1c77f18d6e49d4153ddd3f3d67b49f5 /libpthread/nptl/sysdeps/generic/sysdep.h
parent9a03e98a3b418f33c347a6023e9320f3a42cb9e4 (diff)
libpthread/nptl: core of the "Native Posix Threading Library" for uClibc
targetting arm,sh,i386,mips,sparc for now Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libpthread/nptl/sysdeps/generic/sysdep.h')
-rw-r--r--libpthread/nptl/sysdeps/generic/sysdep.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/generic/sysdep.h b/libpthread/nptl/sysdeps/generic/sysdep.h
new file mode 100644
index 000000000..9627b3e79
--- /dev/null
+++ b/libpthread/nptl/sysdeps/generic/sysdep.h
@@ -0,0 +1,137 @@
+/* Generic asm macros used on many machines.
+ Copyright (C) 1991,92,93,96,98,2002,2003 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef C_LABEL
+
+/* Define a macro we can use to construct the asm name for a C symbol. */
+#ifndef __UCLIBC_UNDERSCORES__
+#ifdef __STDC__
+#define C_LABEL(name) name##:
+#else
+#define C_LABEL(name) name/**/:
+#endif
+#else
+#ifdef __STDC__
+#define C_LABEL(name) _##name##:
+#else
+#define C_LABEL(name) _/**/name/**/:
+#endif
+#endif
+
+#endif
+
+#ifdef __ASSEMBLER__
+/* Mark the end of function named SYM. This is used on some platforms
+ to generate correct debugging information. */
+#ifndef END
+#define END(sym)
+#endif
+
+#ifndef JUMPTARGET
+#define JUMPTARGET(sym) sym
+#endif
+
+/* Macros to generate eh_frame unwind information. */
+# ifdef HAVE_ASM_CFI_DIRECTIVES
+# define cfi_startproc .cfi_startproc
+# define cfi_endproc .cfi_endproc
+# define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
+# define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
+# define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
+# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
+# define cfi_offset(reg, off) .cfi_offset reg, off
+# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
+# define cfi_register(r1, r2) .cfi_register r1, r2
+# define cfi_return_column(reg) .cfi_return_column reg
+# define cfi_restore(reg) .cfi_restore reg
+# define cfi_same_value(reg) .cfi_same_value reg
+# define cfi_undefined(reg) .cfi_undefined reg
+# define cfi_remember_state .cfi_remember_state
+# define cfi_restore_state .cfi_restore_state
+# define cfi_window_save .cfi_window_save
+# else
+# define cfi_startproc
+# define cfi_endproc
+# define cfi_def_cfa(reg, off)
+# define cfi_def_cfa_register(reg)
+# define cfi_def_cfa_offset(off)
+# define cfi_adjust_cfa_offset(off)
+# define cfi_offset(reg, off)
+# define cfi_rel_offset(reg, off)
+# define cfi_register(r1, r2)
+# define cfi_return_column(reg)
+# define cfi_restore(reg)
+# define cfi_same_value(reg)
+# define cfi_undefined(reg)
+# define cfi_remember_state
+# define cfi_restore_state
+# define cfi_window_save
+# endif
+
+#else /* ! ASSEMBLER */
+# ifdef HAVE_ASM_CFI_DIRECTIVES
+# define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name)
+# define CFI_STRINGIFY2(Name) #Name
+# define CFI_STARTPROC ".cfi_startproc"
+# define CFI_ENDPROC ".cfi_endproc"
+# define CFI_DEF_CFA(reg, off) \
+ ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_DEF_CFA_REGISTER(reg) \
+ ".cfi_def_cfa_register " CFI_STRINGIFY(reg)
+# define CFI_DEF_CFA_OFFSET(off) \
+ ".cfi_def_cfa_offset " CFI_STRINGIFY(off)
+# define CFI_ADJUST_CFA_OFFSET(off) \
+ ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off)
+# define CFI_OFFSET(reg, off) \
+ ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_REL_OFFSET(reg, off) \
+ ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_REGISTER(r1, r2) \
+ ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
+# define CFI_RETURN_COLUMN(reg) \
+ ".cfi_return_column " CFI_STRINGIFY(reg)
+# define CFI_RESTORE(reg) \
+ ".cfi_restore " CFI_STRINGIFY(reg)
+# define CFI_UNDEFINED(reg) \
+ ".cfi_undefined " CFI_STRINGIFY(reg)
+# define CFI_REMEMBER_STATE \
+ ".cfi_remember_state"
+# define CFI_RESTORE_STATE \
+ ".cfi_restore_state"
+# define CFI_WINDOW_SAVE \
+ ".cfi_window_save"
+# else
+# define CFI_STARTPROC
+# define CFI_ENDPROC
+# define CFI_DEF_CFA(reg, off)
+# define CFI_DEF_CFA_REGISTER(reg)
+# define CFI_DEF_CFA_OFFSET(off)
+# define CFI_ADJUST_CFA_OFFSET(off)
+# define CFI_OFFSET(reg, off)
+# define CFI_REL_OFFSET(reg, off)
+# define CFI_REGISTER(r1, r2)
+# define CFI_RETURN_COLUMN(reg)
+# define CFI_RESTORE(reg)
+# define CFI_UNDEFINED(reg)
+# define CFI_REMEMBER_STATE
+# define CFI_RESTORE_STATE
+# define CFI_WINDOW_SAVE
+# endif
+
+#endif /* __ASSEMBLER__ */