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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/arm/symbian.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/arm/symbian.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/arm/symbian.h b/gcc-4.2.1-5666.3/gcc/config/arm/symbian.h new file mode 100644 index 000000000..af1ba9a64 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/config/arm/symbian.h @@ -0,0 +1,101 @@ +/* Configuration file for Symbian OS on ARM processors. + Copyright (C) 2004, 2005 + Free Software Foundation, Inc. + Contributed by CodeSourcery, LLC + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 2, or (at your + option) any later version. + + GCC 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 General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with GCC; see the file COPYING. If not, write to + the Free Software Foundation, 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* Do not expand builtin functions (unless explicitly prefixed with + "__builtin"). Symbian OS code relies on properties of the standard + library that go beyond those guaranteed by the ANSI/ISO standard. + For example, "memcpy" works even with overlapping memory, like + "memmove". We cannot simply set flag_no_builtin in arm.c because + (a) flag_no_builtin is not declared in language-independent code, + and (b) that would prevent users from explicitly overriding the + default with -fbuiltin, which may sometimes be useful. + + Make all symbols hidden by default. Symbian OS expects that all + exported symbols will be explicitly marked with + "__declspec(dllexport)". + + Enumeration types use 4 bytes, even if the enumerals are small, + unless explicitly overridden. + + The wchar_t type is a 2-byte type, unless explicitly + overridden. */ +#define CC1_SPEC \ + "%{!fbuiltin:%{!fno-builtin:-fno-builtin}} " \ + "%{!fvisibility=*:-fvisibility=hidden} " \ + "%{!fshort-enums:%{!fno-short-enums:-fno-short-enums}} " \ + "%{!fshort-wchar:%{!fno-short-wchar:-fshort-wchar}} " +#define CC1PLUS_SPEC CC1_SPEC + +/* Symbian OS does not use crt*.o, unlike the generic unknown-elf + configuration. */ +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "" + +/* Do not link with any libraries by default. On Symbian OS, the user + must supply all required libraries on the command line. */ +#undef LIB_SPEC +#define LIB_SPEC "" + +/* Support the "dllimport" attribute. */ +#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1 + +/* Symbian OS assumes ARM V5 or above. Since -march=armv5 is + equivalent to making the ARM 10TDMI core the default, we can set + SUBTARGET_CPU_DEFAULT and get an equivalent effect. */ +#undef SUBTARGET_CPU_DEFAULT +#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi + +/* The assembler should assume VFP FPU format, and armv5t. */ +#undef SUBTARGET_ASM_FLOAT_SPEC +#define SUBTARGET_ASM_FLOAT_SPEC \ + "%{!mfpu=*:-mfpu=vfp} %{!mcpu=*:%{!march=*:-march=armv5t}}" + +/* SymbianOS provides the BPABI routines in a separate library. + Therefore, we do not need to define any of them in libgcc. */ +#undef RENAME_LIBRARY +#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) /* empty */ + +/* Define the __symbian__ macro. */ +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + /* Include the default BPABI stuff. */ \ + TARGET_BPABI_CPP_BUILTINS (); \ + builtin_define ("__symbian__"); \ + } \ + while (false) + +/* On SymbianOS, these sections are not writable, so we use "a", + rather than "aw", for the section attributes. */ +#undef ARM_EABI_CTORS_SECTION_OP +#define ARM_EABI_CTORS_SECTION_OP \ + "\t.section\t.init_array,\"a\",%init_array" +#undef ARM_EABI_DTORS_SECTION_OP +#define ARM_EABI_DTORS_SECTION_OP \ + "\t.section\t.fini_array,\"a\",%fini_array" + +/* SymbianOS cannot merge entities with vague linkage at runtime. */ +#define TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P false |