summaryrefslogtreecommitdiff
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 02:08:04 +0000