about summary refs log tree commit diff
path: root/ports/sysdeps/arm/bits
diff options
context:
space:
mode:
Diffstat (limited to 'ports/sysdeps/arm/bits')
-rw-r--r--ports/sysdeps/arm/bits/endian.h10
-rw-r--r--ports/sysdeps/arm/bits/fenv.h73
-rw-r--r--ports/sysdeps/arm/bits/link.h65
-rw-r--r--ports/sysdeps/arm/bits/linkmap.h5
-rw-r--r--ports/sysdeps/arm/bits/mathdef.h56
-rw-r--r--ports/sysdeps/arm/bits/setjmp.h37
6 files changed, 246 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/bits/endian.h b/ports/sysdeps/arm/bits/endian.h
new file mode 100644
index 0000000000..f49f6ab1c9
--- /dev/null
+++ b/ports/sysdeps/arm/bits/endian.h
@@ -0,0 +1,10 @@
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM can be either big or little endian.  */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
diff --git a/ports/sysdeps/arm/bits/fenv.h b/ports/sysdeps/arm/bits/fenv.h
new file mode 100644
index 0000000000..006ccf5288
--- /dev/null
+++ b/ports/sysdeps/arm/bits/fenv.h
@@ -0,0 +1,73 @@
+/* Copyright (C) 2004, 2005, 2012 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+/* Define bits representing exceptions in the FPU status word.  */
+enum
+  {
+    FE_INVALID = 1,
+#define FE_INVALID FE_INVALID
+    FE_DIVBYZERO = 2,
+#define FE_DIVBYZERO FE_DIVBYZERO
+    FE_OVERFLOW = 4,
+#define FE_OVERFLOW FE_OVERFLOW
+    FE_UNDERFLOW = 8,
+#define FE_UNDERFLOW FE_UNDERFLOW
+    FE_INEXACT = 16,
+#define FE_INEXACT FE_INEXACT
+  };
+
+/* Amount to shift by to convert an exception to a mask bit.  */
+#define FE_EXCEPT_SHIFT	8
+
+/* All supported exceptions.  */
+#define FE_ALL_EXCEPT	\
+	(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT)
+
+/* VFP supports all of the four defined rounding modes.  */
+enum
+  {
+    FE_TONEAREST = 0,
+#define FE_TONEAREST FE_TONEAREST
+    FE_UPWARD = 0x400000,
+#define FE_UPWARD FE_UPWARD
+    FE_DOWNWARD = 0x800000,
+#define FE_DOWNWARD FE_DOWNWARD
+    FE_TOWARDZERO = 0xc00000
+#define FE_TOWARDZERO FE_TOWARDZERO
+  };
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment.  */
+typedef struct
+  {
+    unsigned int __cw;
+  }
+fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV	((fenv_t *) -1l)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exceptions are masked.  */
+# define FE_NOMASK_ENV  ((const fenv_t *) -2)
+#endif
diff --git a/ports/sysdeps/arm/bits/link.h b/ports/sysdeps/arm/bits/link.h
new file mode 100644
index 0000000000..37b94c509f
--- /dev/null
+++ b/ports/sysdeps/arm/bits/link.h
@@ -0,0 +1,65 @@
+/* Copyright (C) 2005, 2009 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef	_LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+
+/* Registers for entry into PLT on ARM.  */
+typedef struct La_arm_regs
+{
+  uint32_t lr_reg[4];
+  uint32_t lr_sp;
+  uint32_t lr_lr;
+  /* Coprocessor registers used for argument passing.  The data
+     stored here depends on the coprocessors available in the
+     system which are used for function calls in the current ABI.
+     VFP uses eight 64-bit registers, and iWMMXt uses ten.  */
+  uint32_t lr_coproc[42];
+} La_arm_regs;
+
+/* Return values for calls from PLT on ARM.  */
+typedef struct La_arm_retval
+{
+  /* Up to four integer registers can be used for a return value in
+     some ABIs (APCS complex long double).  */
+  uint32_t lrv_reg[4];
+
+  /* Any coprocessor registers which might be used to return values
+     in the current ABI.  */
+  uint32_t lrv_coproc[12];
+} La_arm_retval;
+
+
+__BEGIN_DECLS
+
+extern Elf32_Addr la_arm_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
+				       uintptr_t *__refcook,
+				       uintptr_t *__defcook,
+				       La_arm_regs *__regs,
+				       unsigned int *__flags,
+				       const char *__symname,
+				       long int *__framesizep);
+extern unsigned int la_arm_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
+					uintptr_t *__refcook,
+					uintptr_t *__defcook,
+					const La_arm_regs *__inregs,
+					La_arm_retval *__outregs,
+					const char *__symname);
+
+__END_DECLS
diff --git a/ports/sysdeps/arm/bits/linkmap.h b/ports/sysdeps/arm/bits/linkmap.h
new file mode 100644
index 0000000000..7c2b4a6da8
--- /dev/null
+++ b/ports/sysdeps/arm/bits/linkmap.h
@@ -0,0 +1,5 @@
+struct link_map_machine
+  {
+    Elf32_Addr plt; /* Address of .plt */
+    void *tlsdesc_table; /* Address of TLS descriptor hash table.  */
+  };
diff --git a/ports/sysdeps/arm/bits/mathdef.h b/ports/sysdeps/arm/bits/mathdef.h
new file mode 100644
index 0000000000..37e9226745
--- /dev/null
+++ b/ports/sysdeps/arm/bits/mathdef.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 1999, 2000, 2004, 2006, 2007, 2010
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+#if defined  __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF	1
+
+/* GCC does not promote `float' values to `double'.  */
+typedef float float_t;		/* `float' expressions are evaluated as
+				   `float'.  */
+typedef double double_t;	/* `double' expressions are evaluated as
+				   `double'.  */
+
+/* The values returned by `ilogb' for 0 and NaN respectively.  */
+# define FP_ILOGB0	(-2147483647)
+# define FP_ILOGBNAN	(2147483647)
+
+/* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l}
+   builtins are supported.  */
+# if __FP_FAST_FMA
+#  define FP_FAST_FMA 1
+# endif
+
+# if __FP_FAST_FMAF
+#  define FP_FAST_FMAF 1
+# endif
+
+# if __FP_FAST_FMAL
+#  define FP_FAST_FMAL 1
+# endif
+
+#endif	/* ISO C99 */
+
+#ifndef __NO_LONG_DOUBLE_MATH
+/* Signal that we do not really have a `long double'.  This disables the
+   declaration of all the `long double' function variants.  */
+# define __NO_LONG_DOUBLE_MATH	1
+#endif
diff --git a/ports/sysdeps/arm/bits/setjmp.h b/ports/sysdeps/arm/bits/setjmp.h
new file mode 100644
index 0000000000..bdc41ce86e
--- /dev/null
+++ b/ports/sysdeps/arm/bits/setjmp.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 2004, 2005, 2006, 2009 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Define the machine-dependent type `jmp_buf'.  ARM EABI version.  */
+
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+/* The exact set of registers saved may depend on the particular core
+   in use, as some coprocessor registers may need to be saved.  The C
+   Library ABI requires that the buffer be 8-byte aligned, and
+   recommends that the buffer contain 64 words.  The first 28 words
+   are occupied by v1-v6, sl, fp, sp, pc, d8-d15, and fpscr.  (Note
+   that d8-15 require 17 words, due to the use of fstmx.)  */
+typedef int __jmp_buf[64] __attribute__((__aligned__ (8)));
+#endif
+
+#endif