+2014-02-08 Joseph Myers <joseph@codesourcery.com>
+
+ * README: Remove mention of am33.
+
2014-02-07 Roland McGrath <roland@hack.frob.com>
* bits/sigset.h (__sigemptyset): Use a statement expression rather
* The following bugs are resolved with this release:
+* The am33 port, which had not worked for several years, has been removed
+ from ports.
\f
Version 2.19
aarch64*-*-linux-gnu
alpha*-*-linux-gnu
- am33*-*-linux-gnu Not currently functional
arm-*-linux-gnueabi
hppa-*-linux-gnu Not currently functional without patches.
ia64-*-linux-gnu
+2014-02-08 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/am33: Remove.
+ * sysdeps/unix/am33: Likewise.
+ * sysdeps/unix/sysv/linux/am33: Likewise.
+
2013-11-28 Joseph Myers <joseph@codesourcery.com>
* sysdeps/am33/fpu/fegetround.c (fegetround): Use libm_hidden_def.
+++ /dev/null
-wordsize-32
-ieee754/flt-32
-ieee754/dbl-64
+++ /dev/null
-/* longjmp for AM33.
- Copyright 2001-2014 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/>. */
-
-#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-#include <asm-syntax.h>
-
-ENTRY (__longjmp)
- mov d0,a0
- mov (8,a0),d2
- mov d2,mdr
- mov (0,a0),d2
- mov (4,a0),d3
- mov (12,a0),a2
- mov (16,a0),a3
- mov (20,a0),a1
- mov a1,sp
- add 24,a0
- mov (a0+),r4
- mov (a0+),r5
- mov (a0+),r6
- mov (a0+),r7
-#ifdef __AM33_2__
- fmov (a0+),fs4
- fmov (a0+),fs5
- fmov (a0+),fs6
- fmov (a0+),fs7
- fmov (a0+),fs8
- fmov (a0+),fs9
- fmov (a0+),fs10
- fmov (a0+),fs11
- fmov (a0+),fs12
- fmov (a0+),fs13
- fmov (a0+),fs14
- fmov (a0+),fs15
- fmov (a0+),fs16
- fmov (a0+),fs17
- fmov (a0+),fs18
- fmov (a0+),fs19
-#endif
- mov d1,d0
- retf [],0
-END (__longjmp)
+++ /dev/null
-/* Low-level functions for atomic operations. AM33 version.
- Copyright 1999-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../sparc/sparc32/atomicity.h
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _ATOMICITY_H
-#define _ATOMICITY_H 1
-
-#include <inttypes.h>
-#include <stdint.h>
-
-#define __acquire_lock(lock) \
- __asm__ __volatile__("1: bset %1, (%0)\n\t" \
- " beq 1b" \
- : : "a" (&(lock)), "d" (1) \
- : "memory")
-
-#define __release_lock(lock) lock = 0
-
-static int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- static unsigned char lock;
- int result;
-
- __acquire_lock (lock);
-
- result = *mem;
- *mem += val;
-
- __release_lock (lock);
-
- return result;
-}
-
-static void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
- static unsigned char lock;
-
- __acquire_lock (lock);
-
- *mem += val;
-
- __release_lock (lock);
-}
-
-static int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- static unsigned char lock;
- int ret;
-
- __acquire_lock (lock);
-
- if (*p != oldval)
- ret = 0;
- else
- {
- *p = newval;
- ret = 1;
- }
-
- __release_lock (lock);
-
- return ret;
-}
-
-#endif /* atomicity.h */
+++ /dev/null
-/* AM33 is little-endian. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
+++ /dev/null
-/* Copyright 2001-2014 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'. AM33 version. */
-
-#ifndef _SETJMP_H
-# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
-#endif
-
-#ifndef _ASM
-typedef int __jmp_buf[26];
-#endif
+++ /dev/null
-/* _setjmp is in setjmp.S */
+++ /dev/null
-/* setjmp is in setjmp.S */
+++ /dev/null
-/* Machine-dependent ELF dynamic relocation inline functions. AM33 version.
- Copyright (C) 1995-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef dl_machine_h
-#define dl_machine_h
-
-#define ELF_MACHINE_NAME "mn10300"
-
-#include <sys/param.h>
-
-/* Return nonzero iff ELF header is compatible with the running host. */
-static inline int __attribute__ ((unused))
-elf_machine_matches_host (const Elf32_Ehdr *ehdr)
-{
- return ehdr->e_machine == EM_MN10300;
-}
-
-
-/* Return the link-time address of _DYNAMIC. Conveniently, this is the
- first element of the GOT. This must be inlined in a function which
- uses global data. */
-static inline Elf32_Addr __attribute__ ((unused))
-elf_machine_dynamic (void)
-{
- register Elf32_Addr *got asm ("a2");
- return *got;
-}
-
-
-/* Return the run-time load address of the shared object. */
-static inline Elf32_Addr __attribute__ ((unused))
-elf_machine_load_address (void)
-{
- register Elf32_Addr gotaddr asm ("a2");
- Elf32_Addr off, gotval;
-
- asm ("mov _dl_start@GOTOFF,%0" : "=r" (off));
- asm ("mov (_dl_start@GOT,%1),%0" : "=r" (gotval) : "r" (gotaddr));
-
- return off + gotaddr - gotval;
-}
-
-#ifndef PROF
-/* We add a declaration of this function here so that in dl-runtime.c
- the ELF_MACHINE_RUNTIME_TRAMPOLINE macro really can pass the parameters
- in registers.
-
- We cannot use this scheme for profiling because the _mcount call
- destroys the passed register information. */
-static ElfW(Addr) fixup (struct link_map *l, ElfW(Word) reloc_offset)
- __attribute__ ((unused));
-static ElfW(Addr) profile_fixup (struct link_map *l, ElfW(Word) reloc_offset,
- ElfW(Addr) retaddr)
- __attribute__ ((unused));
-#endif
-
-/* Set up the loaded object described by L so its unrelocated PLT
- entries will jump to the on-demand fixup code in dl-runtime.c. */
-
-static inline int __attribute__ ((unused))
-elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
-{
- Elf32_Addr *got;
- extern void _dl_runtime_resolve (Elf32_Word) attribute_hidden;
- extern void _dl_runtime_profile (Elf32_Word) attribute_hidden;
-
- if (l->l_info[DT_JMPREL] && lazy)
- {
- /* The GOT entries for functions in the PLT have not yet been filled
- in. Their initial contents will arrange when called to push an
- offset into the .rel.plt section, push _GLOBAL_OFFSET_TABLE_[1],
- and then jump to _GLOBAL_OFFSET_TABLE[2]. */
- got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
- got[1] = (Elf32_Addr) l; /* Identify this shared object. */
-
- /* The got[2] entry contains the address of a function which gets
- called to get the address of a so far unresolved function and
- jump to it. The profiling extension of the dynamic linker allows
- to intercept the calls to collect information. In this case we
- don't store the address in the GOT so that all future calls also
- end in this function. */
- if (__builtin_expect (profile, 0))
- {
- got[2] = (Elf32_Addr) &_dl_runtime_profile;
-
- if (_dl_name_match_p (GLRO(dl_profile), l))
- /* This is the object we are looking for. Say that we really
- want profiling and the timers are started. */
- GL(dl_profile_map) = l;
- }
- else
- /* This function will get called to fix up the GOT entry indicated by
- the offset on the stack, and then jump to the resolved address. */
- got[2] = (Elf32_Addr) &_dl_runtime_resolve;
- }
-
- return lazy;
-}
-
-/* This code is used in dl-runtime.c to call the `fixup' function
- and then redirect to the address it returns. */
-#ifndef PROF
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
- .text\n\
- .globl _dl_runtime_resolve\n\
- .type _dl_runtime_resolve, @function\n\
-_dl_runtime_resolve:\n\
- add -12,sp # Preserve registers otherwise clobbered.\n\
- mov d1,(20,sp)\n\
- mov d0,(16,sp)\n\
- mov r1,d0\n\
- mov r0,d1\n\
- call fixup,[],0 # Call resolver.\n\
- mov d0,a0\n\
- mov (12,sp),d1 # Copy return address back to mdr,\n\
- mov d1,mdr # in case the callee returns with retf\n\
- mov (16,sp),d0 # Get register content back.\n\
- mov (20,sp),d1\n\
- add 12,sp\n\
- jmp (a0)\n\
- .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
-\n\
- .globl _dl_runtime_profile\n\
- .type _dl_runtime_profile, @function\n\
-_dl_runtime_profile:\n\
- add -12,sp # Preserve registers otherwise clobbered.\n\
- mov d1,(20,sp)\n\
- mov d0,(16,sp)\n\
- mov r1,d0\n\
- mov r0,d1\n\
- call profile_fixup,[],0 # Call resolver.\n\
- mov d0,a0\n\
- mov (12,sp),d1 # Copy return address back to mdr,\n\
- mov d1,mdr # in case the callee returns with retf\n\
- mov (16,sp),d0 # Get register content back.\n\
- mov (20,sp),d1\n\
- add 12,sp\n\
- jmp (a0)\n\
- .size _dl_runtime_profile, .-_dl_runtime_profile\n\
- .previous\n\
-");
-#else
-# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\n\
- .text\n\
- .globl _dl_runtime_resolve\n\
- .globl _dl_runtime_profile\n\
- .type _dl_runtime_resolve, @function\n\
- .type _dl_runtime_profile, @function\n\
-_dl_runtime_resolve:\n\
-_dl_runtime_profile:\n\
- add -12,sp # Preserve registers otherwise clobbered.\n\
- mov d1,(20,sp)\n\
- mov d0,(16,sp)\n\
- mov r1,d0\n\
- mov r0,d1\n\
- call profile_fixup,[],0 # Call resolver.\n\
- mov d0,a0\n\
- mov (12,sp),d1 # Copy return address back to mdr,\n\
- mov d1,mdr # in case the callee returns with retf\n\
- mov (16,sp),d0 # Get register content back.\n\
- mov (20,sp),d1\n\
- add 12,sp\n\
- jmp (a0)\n\
- .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
- .size _dl_runtime_profile, .-_dl_runtime_profile\n\
- .previous\n\
-");
-#endif
-
-/* Mask identifying addresses reserved for the user program,
- where the dynamic linker should not map anything. */
-#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL
-
-/* Initial entry point code for the dynamic linker.
- The C function `_dl_start' is the real entry point;
- its return value is the user program's entry point. */
-#define RTLD_START asm ("\n\
- .text\n\
-.globl _start\n\
-.globl _dl_start_user\n\
-_start:\n\
- mov 0,a3 # Mark the top of the stack\n\
- mov sp,a1\n\
- add -20,sp # Prepare for function call\n\
- mov a1,d0\n\
- call _dl_start,[],0\n\
-_dl_start_user:\n\
- # Save the user entry point address in d2.\n\
- mov d0,d2\n\
- # Point a2 at the GOT.\n\
-0: mov pc,a2\n\
- add _GLOBAL_OFFSET_TABLE_ - (0b-.),a2\n\
- # Store the highest stack address\n\
- mov (__libc_stack_end@GOT,a2),a0\n\
- mov a1,(a0)\n\
- # See if we were run as a command with the executable file\n\
- # name as an extra leading argument.\n\
- mov (_dl_skip_args@GOT,a2),a0\n\
- mov (a0),d0\n\
- # Pop the original argument count.\n\
- mov (20,sp),d3\n\
- # Subtract _dl_skip_args from it.\n\
- sub d0,d3\n\
- # Adjust the stack pointer to skip _dl_skip_args words.\n\
- asl2 d0\n\
- mov sp,a0\n\
- add d0,a0\n\
- mov a0,sp\n\
- # Push argc back on the stack.\n\
- mov d3,(20,sp)\n\
- # The special initializer gets called with the stack just\n\
- # as the application's entry point will see it; it can\n\
- # switch stacks if it moves these contents over.\n\
-" RTLD_START_SPECIAL_INIT "\n\
- # Load the parameters again.\n\
- # (d0, d1, (12,sp), (16,sp)) = (_dl_loaded, argc, argv, envp)\n\
- add 24,a0\n\
- mov a0,(12,sp) # a0 is 24+sp\n\
- mov d3,d1 # d3 contained argc\n\
- inc d3\n\
- asl2 d3 # d3 is now (argc+1)*4,\n\
- add d3,a0 # the offset between argv and envp\n\
- mov a0,(16,sp)\n\
- mov (_rtld_local@GOTOFF,a2),d0\n\
- # Call the function to run the initializers.\n\
- call _dl_init@PLT,[],0\n\
- # Pass our finalizer function to the user in d0, as per ELF ABI.\n\
- mov (_dl_fini@GOT,a2),d0\n\
- add 20,sp\n\
- # Jump to the user's entry point.\n\
- mov d2,a1\n\
- jmp (a1)\n\
- .previous\n\
-");
-
-#ifndef RTLD_START_SPECIAL_INIT
-#define RTLD_START_SPECIAL_INIT /* nothing */
-#endif
-
-/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
- PLT entries should not be allowed to define the value.
- ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
- of the main executable's symbols, as for a COPY reloc. */
-#define elf_machine_type_class(type) \
- ((((type) == R_MN10300_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
- | (((type) == R_MN10300_COPY) * ELF_RTYPE_CLASS_COPY))
-
-/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
-#define ELF_MACHINE_JMP_SLOT R_MN10300_JMP_SLOT
-
-static inline Elf32_Addr
-elf_machine_fixup_plt (struct link_map *map, lookup_t t,
- const Elf32_Rela *reloc,
- Elf32_Addr *reloc_addr, Elf32_Addr value)
-{
- return *reloc_addr = value;
-}
-
-/* Return the final value of a plt relocation. */
-static inline Elf32_Addr
-elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
- Elf32_Addr value)
-{
- return value + reloc->r_addend;
-}
-
-#endif /* !dl_machine_h */
-
-#ifdef RESOLVE
-
-/* The mn10300 never uses Elf32_Rel relocations. */
-#define ELF_MACHINE_NO_REL 1
-
-/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
- MAP is the object containing the reloc. */
-
-static inline void
-elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
- const Elf32_Sym *sym, const struct r_found_version *version,
- void *const reloc_addr_arg, int skip_ifunc)
-{
- const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
- Elf32_Addr value, *reloc_addr;
-
- /* Make sure we drop any previous alignment assumptions. */
- asm ("" : "=r" (reloc_addr) : "0" (reloc_addr_arg));
-
-#define COPY_UNALIGNED_WORD(sw, tw, align) \
- { \
- unsigned long *__sl = (void*)&(sw), *__tl = (void*)&(tw); \
- unsigned short *__ss = (void*)&(sw), *__ts = (void*)&(tw); \
- unsigned char *__sc = (void*)&(sw), *__tc = (void*)&(tw); \
- switch ((align)) \
- { \
- case 0: \
- *__tl = *__sl; \
- break; \
- case 2: \
- *__ts++ = *__ss++; \
- *__ts = *__ss; \
- break; \
- default: \
- *__tc++ = *__sc++; \
- *__tc++ = *__sc++; \
- *__tc++ = *__sc++; \
- *__tc = *__sc; \
- break; \
- } \
- }
-
-#define COPY_UNALIGNED_HALFWORD(sw, tw, align) \
- { \
- unsigned short *__ss = (void*)&(sw), *__ts = (void*)&(tw); \
- unsigned char *__sc = (void*)&(sw), *__tc = (void*)&(tw); \
- switch ((align)) \
- { \
- case 0: \
- *__ts = *__ss; \
- break; \
- default: \
- *__tc++ = *__sc++; \
- *__tc = *__sc; \
- break; \
- } \
- }
-
-#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
- if (__builtin_expect (r_type == R_MN10300_RELATIVE, 0))
- {
-# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
- /* This is defined in rtld.c, but nowhere in the static libc.a;
- make the reference weak so static programs can still link.
- This declaration cannot be done when compiling rtld.c (i.e.
- #ifdef RTLD_BOOTSTRAP) because rtld.c contains the common
- defn for _dl_rtld_map, which is incompatible with a weak decl
- in the same file. */
- weak_extern (_dl_rtld_map);
- if (map != &_dl_rtld_map) /* Already done in rtld itself. */
-# endif
- {
- COPY_UNALIGNED_WORD (*reloc_addr, value, (int) reloc_addr & 3);
- value += map->l_addr;
- COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
- }
- }
-# ifndef RTLD_BOOTSTRAP
- else if (__builtin_expect (r_type == R_MN10300_NONE, 0))
- return;
-# endif
- else
-#endif
- {
-#ifndef RTLD_BOOTSTRAP
- const Elf32_Sym *const refsym = sym;
-#endif
-
- value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
- if (sym)
- value += sym->st_value;
- value += reloc->r_addend; /* Assume copy relocs have zero addend. */
-
- switch (r_type)
- {
-#ifndef RTLD_BOOTSTRAP
- case R_MN10300_COPY:
- if (sym == NULL)
- /* This can happen in trace mode if an object could not be
- found. */
- break;
- if (sym->st_size > refsym->st_size
- || (GLRO(dl_verbose) && sym->st_size < refsym->st_size))
- {
- extern char **_dl_argv;
- const char *strtab;
-
- strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
- _dl_error_printf ("\
-%s: Symbol `%s' has different size in shared object, consider re-linking\n",
- _dl_argv[0] ?: "<program name unknown>",
- strtab + refsym->st_name);
- }
- memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
- refsym->st_size));
- break;
-#endif
- case R_MN10300_GLOB_DAT:
- case R_MN10300_JMP_SLOT:
- /* These addresses are always aligned. */
- *reloc_addr = value;
- break;
- case R_MN10300_32:
- COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
- break;
-#ifndef RTLD_BOOTSTRAP
- case R_MN10300_16:
- COPY_UNALIGNED_HALFWORD (value, *reloc_addr, (int) reloc_addr & 1);
- break;
- case R_MN10300_8:
- *(char *) reloc_addr = value;
- break;
- case R_MN10300_PCREL32:
- value -= (Elf32_Addr) reloc_addr;
- COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
- break;
- case R_MN10300_PCREL16:
- value -= (Elf32_Addr) reloc_addr;
- COPY_UNALIGNED_HALFWORD (value, *reloc_addr, (int) reloc_addr & 1);
- break;
- case R_MN10300_PCREL8:
- value -= (Elf32_Addr) reloc_addr;
- *(char *) reloc_addr = (value - (Elf32_Addr) reloc_addr);
- break;
-#endif
- case R_MN10300_NONE: /* Alright, Wilbur. */
- break;
-#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
- default:
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0);
- break;
-#endif
- }
-
- }
-}
-
-static inline void
-elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
- void *const reloc_addr_arg)
-{
- Elf32_Addr value, *reloc_addr;
-
- asm ("" : "=r" (reloc_addr) : "0" (reloc_addr_arg));
-
- COPY_UNALIGNED_WORD (*reloc_addr, value, (int)reloc_addr & 3);
- value += l_addr;
- COPY_UNALIGNED_WORD (value, *reloc_addr, (int)reloc_addr & 3);
-}
-
-static inline void
-elf_machine_lazy_rel (struct link_map *map,
- Elf32_Addr l_addr, const Elf32_Rela *reloc,
- int skip_ifunc)
-{
- unsigned long int const r_type = ELF32_R_TYPE (reloc->r_info);
-
- /* Check for unexpected PLT reloc type. */
- if (__builtin_expect (r_type, R_MN10300_JMP_SLOT) == R_MN10300_JMP_SLOT)
- {
- Elf32_Addr* const reloc_addr = (void *)(l_addr + reloc->r_offset);
- Elf32_Addr value;
-
- /* Perform a RELATIVE reloc on the .got entry that transfers
- to the .plt. */
- COPY_UNALIGNED_WORD (*reloc_addr, value, (int)reloc_addr & 3);
- value += l_addr;
- COPY_UNALIGNED_WORD (value, *reloc_addr, (int)reloc_addr & 3);
- }
- else if (__builtin_expect (r_type, R_MN10300_NONE) != R_MN10300_NONE)
- _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 1);
-
-}
-
-#endif /* RESOLVE */
+++ /dev/null
-/* Startup code compliant to the ELF MN10300 ABI.
- Copyright (C) 1995-2014 Free Software Foundation, Inc.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- Based on ../../i386/elf/start.S.
- 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/>. */
-
-/* This is the canonical entry point, usually the first thing in the text
- segment. The SVR4/i386 ABI (pages 3-31, 3-32) says that when the entry
- point runs, most registers' values are unspecified, except for:
-
- a0 Contains a function pointer to be registered with `atexit'.
- This is how the dynamic linker arranges to have DT_FINI
- functions called for shared libraries that have been loaded
- before this code runs.
-
- sp The stack contains the arguments and environment:
- (4,sp) argc
- (8,sp) argv[0]
- ...
- (4*(argc+1),sp) NULL
- (4*(argc+2),sp) envp[0]
- ...
- NULL
-*/
-
- .text
- .globl _start
- .type _start,@function
-_start:
- /* Extract the arguments as encoded on the stack and set up
- the arguments for `main': argc, argv. envp will be determined
- later in __libc_start_main. */
- mov sp,a3
- add -32,sp
-
- mov a3,(28,sp) /* stack_end. */
- mov d0,(24,sp) /* rtld_fini. */
- mov _fini, d3
- mov d3,(20,sp) /* fini. */
- mov _init, d2
- mov d2,(16,sp) /* init. */
- inc4 a3
- mov a3,(12,sp) /* argv. */
-
- /* Set the initial frame pointer as 0, so that the bottom of
- the stack is clearly marked. */
- mov 0,a3
-
- mov (32,sp), d1 /* argc. */
- mov main, d0 /* main. */
-
- /* Call the user's main function, and exit with its value.
- But let the libc call main. */
- call __libc_start_main,[],0
-
- call abort,[],0 /* Crash if somehow `exit' does return. */
-
-/* Define a symbol for the first piece of initialized data. */
- .data
- .globl __data_start
-__data_start:
- .long 0
- .weak data_start
- data_start = __data_start
+++ /dev/null
-/* Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on the corresponding file in the mips port.
-
- 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 the exception. We use the EF bit
- positions of the appropriate bits in the FPCR register. */
-enum
- {
- FE_INEXACT =
-#define FE_INEXACT 0x01
- FE_INEXACT,
- FE_UNDERFLOW =
-#define FE_UNDERFLOW 0x02
- FE_UNDERFLOW,
- FE_OVERFLOW =
-#define FE_OVERFLOW 0x04
- FE_OVERFLOW,
- FE_DIVBYZERO =
-#define FE_DIVBYZERO 0x08
- FE_DIVBYZERO,
- FE_INVALID =
-#define FE_INVALID 0x10
- FE_INVALID,
- };
-
-#define FE_ALL_EXCEPT \
- (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
-
-/* The AM33/2.0 FPU supports only Round to nearest. Bits 3<<16 are
- reserved to represent other rounding modes. */
-enum
- {
- FE_TONEAREST =
-#define FE_TONEAREST 0x00000
- FE_TONEAREST,
- };
-
-
-/* Type representing exception flags. */
-typedef unsigned int fexcept_t;
-
-
-/* Type representing floating-point environment. */
-typedef unsigned int fenv_t;
-
-/* If the default argument is used we use this value. */
-#define FE_DFL_ENV ((__const fenv_t *) -1)
-
-#ifdef __USE_GNU
-/* Floating-point environment where none of the exception is masked. */
-# define FE_NOMASK_ENV ((__const fenv_t *) -2)
-#endif
+++ /dev/null
-/* Clear given exceptions in current floating-point environment.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fenv_libc.h>
-#include <fpu_control.h>
-#include <shlib-compat.h>
-
-int
-__feclearexcept (int excepts)
-{
- fpu_control_t cw;
-
- /* Mask out unsupported bits/exceptions. */
- excepts &= FE_ALL_EXCEPT;
-
- /* Read the complete control word. */
- _FPU_GETCW (cw);
-
- /* Clear exception flag bits and cause bits. EF bits are cleared by
- assigning 1 to them (and there's no way to set them); other bits
- are copied normally. */
-
- cw &= ~((excepts << CAUSE_SHIFT) | FE_ALL_EXCEPT);
- cw |= excepts;
-
- /* Put the new data in effect. */
- _FPU_SETFCW (cw);
-
- /* Success. */
- return 0;
-}
-
-libm_hidden_ver (__feclearexcept, feclearexcept)
-versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);
+++ /dev/null
-/* Disable floating-point exceptions.
- Copyright (C) 2000-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fenv_libc.h>
-#include <fpu_control.h>
-
-int
-fedisableexcept (int excepts)
-{
- fpu_control_t new_exc, old_exc;
-
- /* Get the current control word. */
- _FPU_GETCW (new_exc);
-
- old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
-
- excepts &= FE_ALL_EXCEPT;
-
- new_exc &= ~(excepts << ENABLE_SHIFT);
- _FPU_SETCW (new_exc);
-
- return old_exc;
-}
+++ /dev/null
-/* Enable floating-point exceptions.
- Copyright (C) 2000-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fenv_libc.h>
-#include <fpu_control.h>
-
-int
-feenableexcept (int excepts)
-{
- fpu_control_t new_exc, old_exc;
-
- /* Get the current control word. */
- _FPU_GETCW (new_exc);
-
- old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
-
- excepts &= FE_ALL_EXCEPT;
-
- new_exc |= excepts << ENABLE_SHIFT;
- _FPU_SETCW (new_exc);
-
- return old_exc;
-}
+++ /dev/null
-/* Store current floating-point environment.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-#include <shlib-compat.h>
-
-int
-__fegetenv (fenv_t *envp)
-{
- _FPU_GETCW (*envp);
-
- /* Success. */
- return 0;
-}
-
-versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);
+++ /dev/null
-/* Get enabled floating-point exceptions.
- Copyright (C) 2000-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fenv_libc.h>
-#include <fpu_control.h>
-
-int
-fegetexcept (void)
-{
- unsigned int exc;
-
- /* Get the current control word. */
- _FPU_GETCW (exc);
-
- return (exc & ENABLE_MASK) >> ENABLE_SHIFT;
-}
+++ /dev/null
-/* Return current rounding direction.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fenv_libc.h>
-#include <fpu_control.h>
-
-int
-fegetround (void)
-{
- int cw;
-
- /* Get control word. */
- _FPU_GETCW (cw);
-
- return (cw & ROUND_MASK);
-}
-libm_hidden_def (fegetround)
+++ /dev/null
-/* Store current floating-point environment and clear exceptions.
- Copyright (C) 2000-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-
-int
-feholdexcept (fenv_t *envp)
-{
- fpu_control_t cw;
-
- /* Save the current state. */
- _FPU_GETCW (cw);
- *envp = cw;
-
- /* Clear all exception enable bits and flags. */
- cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I);
- _FPU_SETFCW (cw);
-
- return 0;
-}
+++ /dev/null
-/* Copyright (C) 2000-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on the corresponding file in the mips port.
-
- 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_LIBC_H
-#define _FENV_LIBC_H 1
-
-/* Mask for enabling exceptions and for the CAUSE bits. */
-#define ENABLE_MASK 0x003E0U
-#define CAUSE_MASK 0x07C00U
-#define ROUND_MASK 0x30000U
-
-/* Shift for FE_* flags to get up to the ENABLE bits and the CAUSE bits. */
-#define ENABLE_SHIFT 5
-#define CAUSE_SHIFT 10
-
-#endif /* _FENV_LIBC_H */
+++ /dev/null
-/* Install given floating-point environment.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-#include <shlib-compat.h>
-
-int
-__fesetenv (const fenv_t *envp)
-{
- fpu_control_t cw;
-
- /* We want to clear all EF bits for the default end IEEE. */
-
- if (envp == FE_DFL_ENV)
- _FPU_SETFCW (_FPU_DEFAULT|FE_ALL_EXCEPT);
- else if (envp == FE_NOMASK_ENV)
- _FPU_SETFCW (_FPU_IEEE|FE_ALL_EXCEPT);
- else
- {
- fpu_control_t temp;
-
- _FPU_GETCW (temp);
- cw = *envp;
-
- /* If EF bits are cleared and the user requests them to be set,
- we have to fail, because there's no way to do it. */
- if (~temp & cw & FE_ALL_EXCEPT)
- return -1;
-
- /* We clear EF bits by storing a 1 in them, so flip the
- FE_ALL_EXCEPT bits. */
- cw = (cw & ~FE_ALL_EXCEPT) | (~cw & FE_ALL_EXCEPT);
- _FPU_SETFCW (cw);
- }
-
- /* Success. */
- return 0;
-}
-
-libm_hidden_ver (__fesetenv, fesetenv)
-versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);
+++ /dev/null
-/* Set current rounding direction.
- Copyright (C) 2004-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
-
- 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/>. */
-
-#include <fenv.h>
-
-int
-fesetround (int round)
-{
- /* The only supported rounding mode is to-nearest. Just check
- whether we're switching to it. */
- return (round != FE_TONEAREST);
-}
+++ /dev/null
-/* Install given floating-point environment and raise exceptions.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-#include <shlib-compat.h>
-
-int
-__feupdateenv (const fenv_t *envp)
-{
- int temp;
-
- /* Save current exceptions. */
- _FPU_GETCW (temp);
- temp &= FE_ALL_EXCEPT;
-
- /* Install new environment. */
- fesetenv (envp);
-
- /* Raise the safed exception. Incidently for us the implementation
- defined format of the values in objects of type fexcept_t is the
- same as the ones specified using the FE_* constants. */
- feraiseexcept (temp);
-
- /* Success. */
- return 0;
-}
-
-versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);
+++ /dev/null
-/* Store current representation for exceptions.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-#include <shlib-compat.h>
-
-int
-__fegetexceptflag (fexcept_t *flagp, int excepts)
-{
- fexcept_t temp;
-
- /* Get the current exceptions. */
- _FPU_GETCW (temp);
-
- /* We only save the relevant bits here. In particular, care has to be
- taken with the CAUSE bits, as an inadvertent restore later on could
- generate unexpected exceptions. */
-
- *flagp = temp & excepts & FE_ALL_EXCEPT;
-
- /* Success. */
- return 0;
-}
-
-versioned_symbol (libm, __fegetexceptflag, fegetexceptflag, GLIBC_2_2);
+++ /dev/null
-/* FPU control word bits. AM33/2.0 version.
- Copyright (C) 1996-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on the corresponding file in the mips port.
-
- 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 _FPU_CONTROL_H
-#define _FPU_CONTROL_H
-
-/* AM33/2.0 FPU floating point control register bits.
- *
- * 31-22 -> reserved
- * 21-18 -> floating-point condition codes (L, G, E, U)
- * 17-16 -> rounding modes (00 is to-nearest; other values are reserved
- * 15 -> reserved (read as 0, write with 0)
- * 14-10 -> Exception Cause (inValid, divZero, Overflow, Underflow, Inexact)
- * 9- 5 -> Exception Enable
- * 4- 0 -> Exception Flag, cleared when exception cause is set
- */
-
-#include <features.h>
-#include <fenv.h>
-
-/* masking of interrupts */
-#define _FPU_MASK_V 0x0200 /* Invalid operation */
-#define _FPU_MASK_Z 0x0100 /* Division by zero */
-#define _FPU_MASK_O 0x0080 /* Overflow */
-#define _FPU_MASK_U 0x0040 /* Underflow */
-#define _FPU_MASK_I 0x0020 /* Inexact operation */
-
-/* rounding control */
-#define _FPU_RC_NEAREST 0x0 /* Only available mode */
-
-#define _FPU_RESERVED 0xffc08000 /* Reserved bits in fpcr */
-
-
-/* The fdlibm code requires strict IEEE double precision arithmetic,
- and no interrupts for exceptions, rounding to nearest. */
-
-#define _FPU_DEFAULT 0x0000001f
-
-/* IEEE: same as above, but exceptions */
-#define _FPU_IEEE 0x000003ff
-
-/* Type of the control word. */
-typedef unsigned int fpu_control_t;
-
-/* Macros for accessing the hardware control word. _FPU_SETCW is
- defined such that it won't modify the EF bits, that are cleared
- when assigned bits that are set. Use SETFCW to get them actually
- reset. */
-#define _FPU_SETFCW(cw) __asm__ ("fmov %0,fpcr" : : "ri" (cw))
-#define _FPU_SETCW(cw) _FPU_SETFCW((cw) & ~FE_ALL_EXCEPT)
-#define _FPU_GETCW(cw) __asm__ ("fmov fpcr,%0" : "=r" (cw))
-
-/* Default control word set at startup. */
-extern fpu_control_t __fpu_control;
-
-#endif /* fpu_control.h */
+++ /dev/null
-/* Raise given exceptions.
- Copyright (C) 2000-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the M68K port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <float.h>
-#include <math.h>
-#include <shlib-compat.h>
-
-int
-__feraiseexcept (int excepts)
-{
- /* Raise exceptions represented by EXCEPTS. But we must raise only one
- signal at a time. It is important that if the overflow/underflow
- exception and the divide by zero exception are given at the same
- time, the overflow/underflow exception follows the divide by zero
- exception. */
-
- /* First: invalid exception. */
- if (excepts & FE_INVALID)
- {
- /* One example of an invalid operation is 0 * Infinity. */
- float x = HUGE_VALF, y = 0.0f;
- __asm__ __volatile__ ("fmul %1,%0" : "+f" (x) : "f" (y));
- }
-
- /* Next: division by zero. */
- if (excepts & FE_DIVBYZERO)
- {
- float x = 1.0f, y = 0.0f;
- __asm__ __volatile__ ("fdiv %1,%0" : "+f" (x) : "f" (y));
- }
-
- /* Next: overflow. */
- if (excepts & FE_OVERFLOW)
- {
- float x = FLT_MAX;
-
- __asm__ __volatile__ ("fmul %0,%0" : "+f" (x));
- }
-
- /* Next: underflow. */
- if (excepts & FE_UNDERFLOW)
- {
- float x = -FLT_MIN;
-
- __asm__ __volatile__ ("fmul %0,%0" : "+f" (x));
- }
-
- /* Last: inexact. */
- if (excepts & FE_INEXACT)
- {
- float x = 1.0f, y = 3.0f;
- __asm__ __volatile__ ("fdiv %1,%0" : "=f" (x) : "f" (y));
- }
-
- /* Success. */
- return 0;
-}
-
-libm_hidden_ver (__feraiseexcept, feraiseexcept)
-versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2);
+++ /dev/null
-/* Set floating-point environment exception handling.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-#include <shlib-compat.h>
-
-int
-__fesetexceptflag (const fexcept_t *flagp, int excepts)
-{
- fpu_control_t cw, temp;
-
- /* Get the current exceptions. */
- _FPU_GETCW (cw);
-
- /* Make sure the flags we want restored are legal. */
- excepts &= FE_ALL_EXCEPT;
- temp = *flagp & excepts;
-
- /* If EF bits are clear and the user requests them to be set,
- we have to fail, because there's no way to do it. */
- if (~(cw & excepts) & temp)
- return -1;
-
- /* We clear EF bits by storing a 1 in them, so flip the
- FE_ALL_EXCEPT bits. */
- temp = (~temp & FE_ALL_EXCEPT);
-
- /* Now clear the bits called for, and copy them in from flagp. Note that
- we ignore all non-flag bits from *flagp, so they don't matter. */
- cw = (cw & ~FE_ALL_EXCEPT) | temp;
-
- _FPU_SETFCW (cw);
-
- /* Success. */
- return 0;
-}
-
-versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2);
+++ /dev/null
-/* Test exception in current environment.
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- based on corresponding file in the MIPS port.
-
- 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/>. */
-
-#include <fenv.h>
-#include <fpu_control.h>
-
-int
-fetestexcept (int excepts)
-{
- int cw;
-
- /* Get current control word. */
- _FPU_GETCW (cw);
-
- return cw & excepts & FE_ALL_EXCEPT;
-}
+++ /dev/null
-/* Private macros for accessing __jmp_buf contents. AM33 version.
- Copyright (C) 2006-2014 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 __JMP_BUF_SP 20
+++ /dev/null
-/* Examine __jmp_buf for unwinding frames. AM33 version.
- Copyright (C) 2006-2014 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/>. */
-
-#include <setjmp.h>
-#include <jmpbuf-offsets.h>
-
-/* Test if longjmp to JMPBUF would unwind the frame
- containing a local variable at ADDRESS. */
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
- ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
+++ /dev/null
-/* POSIX spinlock implementation. AM33 version.
- Copyright 2001-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <pthread.h>
-#include "internals.h"
-
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
- __asm__ __volatile__("1: bset %1, (%0); beq 1b"
- : : "a" (lock), "d" (1) : "memory");
- return 0;
-}
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
- int oldval = 1;
-
- __asm__ __volatile__ ("bset %0, (%1); beq 1f; clr %0; 1:" :
- "+d" (oldval) : "a" (lock) : "memory");
-
- return oldval ? EBUSY : 0;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
- *lock = 0;
- return 0;
-}
-weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
-
-
-int
-__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
- /* We can ignore the `pshared' parameter. Since we are busy-waiting
- all processes which can access the memory location `lock' points
- to can use the spinlock. */
- *lock = 0;
- return 0;
-}
-weak_alias (__pthread_spin_init, pthread_spin_init)
-
-
-int
-__pthread_spin_destroy (pthread_spinlock_t *lock)
-{
- /* Nothing to do. */
- return 0;
-}
-weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
+++ /dev/null
-/* Machine-dependent pthreads configuration and inline functions.
- am33 version.
- Copyright (C) 1996-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
- Based on ../i386/pt-machine.h.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H 1
-
-#ifndef __ASSEMBLER__
-#ifndef PT_EI
-# define PT_EI extern inline
-#endif
-
-/* Get some notion of the current stack. Need not be exactly the top
- of the stack, just something somewhere in the current frame. */
-#define CURRENT_STACK_FRAME __builtin_frame_address (0)
-
-/* Spinlock implementation; required. */
-PT_EI long int
-testandset (int *spinlock)
-{
- long int ret = 1;
-
- /* This won't test&set the entire int, only the least significant
- byte. I hope this doesn't matter, since we can't do better. */
- __asm__ __volatile__ ("bset %0, %1; bne 1f; clr %0; 1:" :
- "+d" (ret), "+m" (*(volatile int *)spinlock));
-
- return ret;
-}
-
-
-PT_EI int
-get_eflags (void)
-{
- int res;
- __asm__ __volatile__ ("mov psw,%0" : "=d" (res));
- return res;
-}
-
-
-PT_EI void
-set_eflags (int newflags)
-{
- __asm__ __volatile__ ("mov %0,psw" : : "d" (newflags) : "cc");
-}
-
-#endif /* __ASSEMBLER__ */
-
-#endif /* pt-machine.h */
+++ /dev/null
-/* Copyright 2000-2014 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 GETSP() ({ uintptr_t stack_ptr; \
- asm ("mov sp,%0" : "=a" (stack_ptr)); \
- stack_ptr; })
-
-#include <sysdeps/generic/memusage.h>
+++ /dev/null
-case "$machine" in
-am33*)
- base_machine=am33 machine=am33
- ;;
-esac
+++ /dev/null
-/* setjmp for am33.
- Copyright (C) 2001-2014 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/>. */
-
-#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-#include <asm-syntax.h>
-
-
-ENTRY (__sigsetjmp)
-.Lsigsetjmp:
- /* Save registers. */
- mov d0,a0
- mov d2,(0,a0)
- mov d3,(4,a0)
- mov mdr,d0
- mov d0,(8,a0)
- /* Restore d0 for __sigjmp_save. */
- mov a0,d0
- mov a2,(12,a0)
- mov a3,(16,a0)
- mov sp,a1
- mov a1,(20,a0)
- add 24,a0
- mov r4,(a0+)
- mov r5,(a0+)
- mov r6,(a0+)
- mov r7,(a0+)
-#ifdef __AM33_2__
- fmov fs4,(a0+)
- fmov fs5,(a0+)
- fmov fs6,(a0+)
- fmov fs7,(a0+)
- fmov fs8,(a0+)
- fmov fs9,(a0+)
- fmov fs10,(a0+)
- fmov fs11,(a0+)
- fmov fs12,(a0+)
- fmov fs13,(a0+)
- fmov fs14,(a0+)
- fmov fs15,(a0+)
- fmov fs16,(a0+)
- fmov fs17,(a0+)
- fmov fs18,(a0+)
- fmov fs19,(a0+)
-#endif
- /* Make a tail call to __sigjmp_save; it takes the same args. */
- jmp __sigjmp_save
-END (__sigsetjmp)
-
-/* BSD `_setjmp' entry point to `sigsetjmp (..., 1)'. */
-ENTRY (setjmp)
- /* Tail-call setsetjmp with savesigs==1. */
- mov 1,d1
- bra .Lsigsetjmp
-END (setjmp)
-
-/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. */
-ENTRY (_setjmp)
- /* Tail-call setsetjmp with savesigs==0. */
- clr d1
- bra .Lsigsetjmp
-END (_setjmp)
+++ /dev/null
-am33.*-.*-linux.* DEFAULT GLIBC_2.2.5
+++ /dev/null
-/* Copyright 2001-2014 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/>. */
-
-/* This file contains a bit of information about the stack allocation
- of the processor. */
-
-#ifndef _STACKINFO_H
-#define _STACKINFO_H 1
-
-/* On am33 the stack grows down. */
-#define _STACK_GROWS_DOWN 1
-
-#endif /* stackinfo.h */
+++ /dev/null
-/* Copyright 1997-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-/* AM33/2.0 context switching support. */
-
-#ifndef _SYS_UCONTEXT_H
-#define _SYS_UCONTEXT_H 1
-
-#include <features.h>
-#include <signal.h>
-
-/* Type for general register. */
-typedef int greg_t;
-
-/* Number of general registers. */
-#define NGREG 28
-
-/* Container for all general registers. */
-typedef greg_t gregset_t[NGREG];
-
-/* Number of each register is the `gregset_t' array. */
-enum
-{
- REG_D0 = 0,
-#define REG_D0 REG_D0
- REG_D1,
-#define REG_D1 REG_D1
- REG_D2,
-#define REG_D2 REG_D2
- REG_D3,
-#define REG_D3 REG_D3
- REG_A0,
-#define REG_A0 REG_A0
- REG_A1,
-#define REG_A1 REG_A1
- REG_A2,
-#define REG_A2 REG_A2
- REG_A3,
-#define REG_A3 REG_A3
- REG_E0,
-#define REG_E0 REG_E0
- REG_E1,
-#define REG_E1 REG_E1
- REG_E2,
-#define REG_E2 REG_E2
- REG_E3,
-#define REG_E3 REG_E3
- REG_E4,
-#define REG_E4 REG_E4
- REG_E5,
-#define REG_E5 REG_E5
- REG_E6,
-#define REG_E6 REG_E6
- REG_E7,
-#define REG_E7 REG_E7
- REG_LAR,
-#define REG_LAR REG_LAR
- REG_LIR,
-#define REG_LIR REG_LIR
- REG_MDR,
-#define REG_MDR REG_MDR
- REG_MCVF,
-#define REG_MCVF REG_MCVF
- REG_MCRL,
-#define REG_MCRL REG_MCRL
- REG_MCRH,
-#define REG_MCRH REG_MCRH
- REG_MDRQ,
-#define REG_MDRQ REG_MDRQ
- REG_SP,
-#define REG_SP REG_SP
- REG_EPSW,
-#define REG_EPSW REG_EPSW
- REG_PC,
-#define REG_PC REG_PC
-};
-
-typedef int freg_t;
-
-/* Structure to describe FPU registers. */
-typedef struct {
- union {
- double fp_dregs[16];
- float fp_fregs[32];
- freg_t fp_regs[32];
- } regs;
- freg_t fpcr;
-} fpregset_t;
-
-/* Context to describe whole processor state. */
-typedef struct
- {
- gregset_t gregs;
- fpregset_t fpregs;
- } mcontext_t;
-
-/* Userlevel context. */
-typedef struct ucontext
- {
- unsigned long int uc_flags;
- struct ucontext *uc_link;
- __sigset_t uc_sigmask;
- stack_t uc_stack;
- mcontext_t uc_mcontext;
- long int uc_filler[5];
- } ucontext_t;
-
-#endif /* sys/ucontext.h */
+++ /dev/null
-/* Copyright 2001-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/sysdep.h.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdeps/generic/sysdep.h>
-
-#ifdef __ASSEMBLER__
-
-/* Syntactic details of assembler. */
-
-#ifdef HAVE_ELF
-/* For ELF we need the `.type' directive to make shared libs work right. */
-#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
-#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
-
-/* In ELF C symbols are asm symbols. */
-#undef NO_UNDERSCORES
-#define NO_UNDERSCORES
-#else
-#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */
-#define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */
-#endif
-
-/* Define an entry point visible from C. */
-#define ENTRY(name) \
- ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
- ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
- C_LABEL(name) \
- CALL_MCOUNT
-
-#undef END
-#define END(name) \
- ASM_SIZE_DIRECTIVE(name) \
-
-/* If compiled for profiling, call `mcount' at the start of each function. */
-#ifdef PROF
-/* The mcount code relies on a normal frame pointer being on the stack
- to locate our caller, so push one just for its benefit. */
-#define CALL_MCOUNT \
- movm [a3],(sp); mov sp,a3; add -12,sp; \
- call JUMPTARGET(mcount),[],0; add 12,sp; movm (sp),[a3];
-#else
-#define CALL_MCOUNT /* Do nothing. */
-#endif
-
-#ifdef NO_UNDERSCORES
-/* Since C identifiers are not normally prefixed with an underscore
- on this system, the asm identifier `syscall_error' intrudes on the
- C name space. Make sure we use an innocuous name. */
-#define syscall_error __syscall_error
-#define mcount _mcount
-#endif
-
-#undef JUMPTARGET
-#ifdef PIC
-#define JUMPTARGET(name) name##@PLT
-#else
-#define JUMPTARGET(name) name
-#endif
-
-/* Local label name for asm code. */
-#ifndef L
-#define L(name) name
-#endif
-
-#endif /* __ASSEMBLER__ */
+++ /dev/null
-#define TININESS_AFTER_ROUNDING 1
+++ /dev/null
-/* Copyright (C) 1991-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/sysdep.S.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#define _ERRNO_H
-#include <bits/errno.h>
-
-.globl C_SYMBOL_NAME(errno)
-.globl syscall_error
-
-#undef syscall_error
-#ifdef NO_UNDERSCORES
-__syscall_error:
-#else
-syscall_error:
-#endif
-#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
- /* We translate the system's EWOULDBLOCK error into EAGAIN.
- The GNU C library always defines EWOULDBLOCK==EAGAIN.
- EWOULDBLOCK_sys is the original number. */
- cmp EWOULDBLOCK_sys,d0 /* Is it the old EWOULDBLOCK? */
- bne .Lnotb /* Branch if not. */
- mov EAGAIN,d0 /* Yes; translate it to EAGAIN. */
-.Lnotb:
-#endif
-#ifndef PIC
-# ifndef _LIBC_REENTRANT
- mov d0,(C_SYMBOL_NAME (errno))
-# else
- movm [d2],(sp)
- add -12,sp
- mov d0,d2
- call __errno_location,[],0
- mov d2,(a0)
- add 12,sp
- movm (sp),[d2]
-# endif
-#else
-# error "This shouldn't be assembled for PIC"
-#endif
- mov -1,d0
- mov d0,a0
- ret
-
-#undef __syscall_error
-END (__syscall_error)
+++ /dev/null
-/* Copyright 2001-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/sysdep.h.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdeps/unix/sysdep.h>
-#include "../../am33/sysdep.h"
-
-#ifdef __ASSEMBLER__
-
-#define r0 d0 /* Normal return-value register. */
-#define r1 !!!! /* Secondary return-value register. */
-#define scratch d1 /* Call-clobbered register for random use. */
-#define MOVE(x,y) mov x, y
-
-#define ret ret [],0
-
-#endif /* __ASSEMBLER__ */
+++ /dev/null
-ifeq ($(subdir),misc)
-sysdep_routines += setfsgid setfsuid
-endif
+++ /dev/null
-/* O_*, F_*, FD_* bit values for Linux.
- Copyright (C) 1995-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _FCNTL_H
-# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
-#endif
-
-
-#include <sys/types.h>
-
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
-#define O_ACCMODE 0003
-#define O_RDONLY 00
-#define O_WRONLY 01
-#define O_RDWR 02
-#define O_CREAT 0100 /* not fcntl */
-#define O_EXCL 0200 /* not fcntl */
-#define O_NOCTTY 0400 /* not fcntl */
-#define O_TRUNC 01000 /* not fcntl */
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_NDELAY O_NONBLOCK
-#define O_SYNC 010000
-#define O_FSYNC O_SYNC
-#define O_ASYNC 020000
-
-#ifdef __USE_GNU
-# define O_DIRECT 040000 /* Direct disk access. */
-# define O_DIRECTORY 0200000 /* Must be a directory. */
-# define O_NOFOLLOW 0400000 /* Do not follow links. */
-#endif
-
-/* For now Linux has synchronisity options for data and read operations.
- We define the symbols here but let them do the same as O_SYNC since
- this is a superset. */
-#if defined __USE_POSIX199309 || defined __USE_UNIX98
-# define O_DSYNC O_SYNC /* Synchronize data. */
-# define O_RSYNC O_SYNC /* Synchronize read operations. */
-#endif
-
-#ifdef __USE_LARGEFILE64
-# define O_LARGEFILE 0100000
-#endif
-
-/* Values for the second argument to `fcntl'. */
-#define F_DUPFD 0 /* Duplicate file descriptor. */
-#define F_GETFD 1 /* Get file descriptor flags. */
-#define F_SETFD 2 /* Set file descriptor flags. */
-#define F_GETFL 3 /* Get file status flags. */
-#define F_SETFL 4 /* Set file status flags. */
-#ifndef __USE_FILE_OFFSET64
-# define F_GETLK 5 /* Get record locking info. */
-# define F_SETLK 6 /* Set record locking info (non-blocking). */
-# define F_SETLKW 7 /* Set record locking info (blocking). */
-#else
-# define F_GETLK F_GETLK64 /* Get record locking info. */
-# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
-# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
-#endif
-#define F_GETLK64 12 /* Get record locking info. */
-#define F_SETLK64 13 /* Set record locking info (non-blocking). */
-#define F_SETLKW64 14 /* Set record locking info (blocking). */
-
-#if defined __USE_BSD || defined __USE_XOPEN2K
-# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
-# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
-#endif
-
-#ifdef __USE_GNU
-# define F_SETSIG 10 /* Set number of signal to be sent. */
-# define F_GETSIG 11 /* Get number of signal to be sent. */
-#endif
-
-#ifdef __USE_GNU
-# define F_SETLEASE 1024 /* Set a lease. */
-# define F_GETLEASE 1025 /* Enquire what lease is active. */
-# define F_NOTIFY 1026 /* Request notfications on a directory. */
-# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
- close-on-exit set. */
-#endif
-
-/* For F_[GET|SET]FD. */
-#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
-
-/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
-#define F_RDLCK 0 /* Read lock. */
-#define F_WRLCK 1 /* Write lock. */
-#define F_UNLCK 2 /* Remove lock. */
-
-/* For old implementation of bsd flock(). */
-#define F_EXLCK 4 /* or 3 */
-#define F_SHLCK 8 /* or 4 */
-
-#ifdef __USE_BSD
-/* Operations for bsd flock(), also used by the kernel implementation. */
-# define LOCK_SH 1 /* shared lock */
-# define LOCK_EX 2 /* exclusive lock */
-# define LOCK_NB 4 /* or'd with one of the above to prevent
- blocking */
-# define LOCK_UN 8 /* remove lock */
-#endif
-
-#ifdef __USE_GNU
-# define LOCK_MAND 32 /* This is a mandatory flock: */
-# define LOCK_READ 64 /* ... which allows concurrent read operations. */
-# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
-# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
-#endif
-
-#ifdef __USE_GNU
-/* Types of directory notifications that may be requested with F_NOTIFY. */
-# define DN_ACCESS 0x00000001 /* File accessed. */
-# define DN_MODIFY 0x00000002 /* File modified. */
-# define DN_CREATE 0x00000004 /* File created. */
-# define DN_DELETE 0x00000008 /* File removed. */
-# define DN_RENAME 0x00000010 /* File renamed. */
-# define DN_ATTRIB 0x00000020 /* File changed attributes. */
-# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
-#endif
-
-struct flock
- {
- short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
- short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
-#ifndef __USE_FILE_OFFSET64
- __off_t l_start; /* Offset where the lock begins. */
- __off_t l_len; /* Size of the locked area; zero means until EOF. */
-#else
- __off64_t l_start; /* Offset where the lock begins. */
- __off64_t l_len; /* Size of the locked area; zero means until EOF. */
-#endif
- __pid_t l_pid; /* Process holding the lock. */
- };
-
-#ifdef __USE_LARGEFILE64
-struct flock64
- {
- short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
- short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
- __off64_t l_start; /* Offset where the lock begins. */
- __off64_t l_len; /* Size of the locked area; zero means until EOF. */
- __pid_t l_pid; /* Process holding the lock. */
- };
-#endif
-
-/* Define some more compatibility macros to be backward compatible with
- BSD systems which did not managed to hide these kernel macros. */
-#ifdef __USE_BSD
-# define FAPPEND O_APPEND
-# define FFSYNC O_FSYNC
-# define FASYNC O_ASYNC
-# define FNONBLOCK O_NONBLOCK
-# define FNDELAY O_NDELAY
-#endif /* Use BSD. */
-
-/* Advise to `posix_fadvise'. */
-#ifdef __USE_XOPEN2K
-# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
-# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
-# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
-# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
-# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
-# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
-#endif
+++ /dev/null
-/* Definitions for POSIX memory map interface. Linux/AM33 version.
- Copyright (C) 1997-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _SYS_MMAN_H
-# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
-#endif
-
-/* The following definitions basically come from the kernel headers.
- But the kernel header is not namespace clean. */
-
-
-/* These are Linux-specific. */
-#ifdef __USE_MISC
-# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */
-# define MAP_DENYWRITE 0x0800 /* ETXTBSY */
-# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */
-# define MAP_LOCKED 0x2000 /* Lock the mapping. */
-# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */
-#endif
-
-/* Include generic Linux declarations. */
-#include <bits/mman-linux.h>
+++ /dev/null
-/* brk system call for Linux/am33.
- Copyright (C) 1995-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/brk.c.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <unistd.h>
-#include <sysdep.h>
-
-/* This must be initialized data because commons can't have aliases. */
-void *__curbrk = 0;
-
-int
-__brk (void *addr)
-{
- void *newbrk;
-
- newbrk = INLINE_SYSCALL (brk, 1, addr);
-
- __curbrk = newbrk;
-
- if (newbrk < addr)
- {
- __set_errno (ENOMEM);
- return -1;
- }
-
- return 0;
-}
-weak_alias (__brk, brk)
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/chown.c>
+++ /dev/null
-/* Copyright 2001-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/clone.S.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-/* clone() is even more special than fork() as it mucks with stacks
- and invokes a function in the right context after its all over. */
-
-#include <sysdep.h>
-#define _ERRNO_H 1
-#include <bits/errno.h>
-#include <asm-syntax.h>
-
-/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
-
- .text
-ENTRY (__clone)
- /* Sanity check arguments. */
- cmp 0,d0 /* no NULL function pointers */
- beq L(error_inval)
- cmp 0,d1 /* no NULL stack pointers */
- beq L(error_inval)
-
- /* Allocate room for a function call in the new stack, and
- store fn and arg in it. They will be read back in
- thread_start. */
- mov d1,a0
- sub 12,a0
- mov d0,(a0)
- mov (16,sp),d1
- mov d1,(4,a0)
-
- /* Do the system call */
- mov a0,d1
- mov (12,sp),a0
- mov SYS_ify(clone),d0
- syscall 0
-
- cmp 0,d0
- beq thread_start
- blt L(to_SYSCALL_ERROR_LABEL)
-
-L(pseudo_end):
- ret
-
-L(error_inval):
- mov -EINVAL,d0
-L(to_SYSCALL_ERROR_LABEL):
- jmp SYSCALL_ERROR_LABEL
-
-thread_start:
- mov 0,a3 /* terminate the stack frame */
- mov (4,sp),d0
- mov (sp),a0
- calls (a0)
-#ifdef PIC
-L(here):
- mov pc,a2
- add _GLOBAL_OFFSET_TABLE_-(L(here) - .),a2
-#endif
- call JUMPTARGET (_exit),[],0
-
-PSEUDO_END (__clone)
-
-weak_alias (__clone, clone)
+++ /dev/null
-# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
- # Local configure fragment for am33/sysdeps/unix/sysv/linux/am33
-
-arch_minimum_kernel=2.6.25
+++ /dev/null
-GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
-# Local configure fragment for am33/sysdeps/unix/sysv/linux/am33
-
-arch_minimum_kernel=2.6.25
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/fchown.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/fcntl.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/fxstat.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getegid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/geteuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getgid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getgroups.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getmsg.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getresgid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getresuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/getuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/lchown.c>
+++ /dev/null
-/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>
-
- 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/>. */
-
-#include <sysdep.h>
-#include <tls.h>
-#include <pt-machine.h>
-#ifndef __ASSEMBLER__
-# include <linuxthreads/internals.h>
-#endif
-
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .text ; \
- ENTRY (name) \
- PUSHARGS_##args \
- DOARGS_##args \
- SINGLE_THREAD_P; \
- bne L(pseudo_cancel); \
- mov SYS_ify (syscall_name),d0; \
- syscall 0 \
- POPARGS_##args ; \
- cmp -126,d0; \
- bls L(pseudo_end); \
- jmp SYSCALL_ERROR_LABEL; \
- L(pseudo_cancel): \
- add -(16+STACK_SPACE (args)),sp; \
- SAVE_ARGS_##args \
- CENABLE \
- mov d0,r0; \
- LOAD_ARGS_##args \
- mov SYS_ify (syscall_name),d0; \
- syscall 0; \
- mov d0,(12,sp); \
- mov r0,d0; \
- CDISABLE \
- mov (12,sp),d0; \
- add +16+STACK_SPACE (args),sp \
- POPARGS_##args ; \
- cmp -126,d0; \
- bls L(pseudo_end); \
- jmp SYSCALL_ERROR_LABEL; \
- L(pseudo_end): \
- mov d0,a0
-
-/* Reserve up to 2 stack slots for a0 and d1, but fewer than that if
- we don't have that many arguments. */
-# define STACK_SPACE(n) (((((n) < 3) * (2 - (n))) + 2) * 4)
-
-# define SAVE_ARGS_0
-# define SAVE_ARGS_1 mov a0,(20,sp) ;
-# define SAVE_ARGS_2 SAVE_ARGS_1 mov d1,(24,sp) ;
-# define SAVE_ARGS_3 SAVE_ARGS_2
-# define SAVE_ARGS_4 SAVE_ARGS_3
-# define SAVE_ARGS_5 SAVE_ARGS_4
-# define SAVE_ARGS_6 SAVE_ARGS_5
-
-# define LOAD_ARGS_0
-# define LOAD_ARGS_1 mov (20,sp),a0 ;
-# define LOAD_ARGS_2 LOAD_ARGS_1 mov (24,sp),d1 ;
-# define LOAD_ARGS_3 LOAD_ARGS_2
-# define LOAD_ARGS_4 LOAD_ARGS_3
-# define LOAD_ARGS_5 LOAD_ARGS_4
-# define LOAD_ARGS_6 LOAD_ARGS_5
-
-# ifdef IS_IN_libpthread
-# define CENABLE call __pthread_enable_asynccancel,[],0;
-# define CDISABLE call __pthread_disable_asynccancel,[],0;
-# elif defined IS_IN_librt
-# ifdef PIC
-# define CENABLE movm [a2],(sp); \
- 1: mov pc,a2; \
- add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \
- call +__librt_enable_asynccancel@PLT,[],0; \
- movm (sp),[a2];
-# define CENABLE movm [a2],(sp); \
- 1: mov pc,a2; \
- add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \
- call +__librt_disable_asynccancel@PLT,[],0; \
- movm (sp),[a2];
-# else
-# define CENABLE call +__librt_enable_asynccancel,[],0;
-# define CDISABLE call +__librt_disable_asynccancel,[],0;
-# endif
-# else
-# define CENABLE call +__libc_enable_asynccancel,[],0;
-# define CDISABLE call +__libc_disable_asynccancel,[],0;
-# endif
-
-#if !defined NOT_IN_libc
-# define __local_multiple_threads __libc_multiple_threads
-#elif defined IS_IN_libpthread
-# define __local_multiple_threads __pthread_multiple_threads
-#else
-# define __local_multiple_threads __librt_multiple_threads
-#endif
-
-# ifndef __ASSEMBLER__
-# if defined FLOATING_STACKS && USE___THREAD && defined PIC
-# define SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
- p_header.data.multiple_threads) == 0, 1)
-# else
-extern int __local_multiple_threads
-# if !defined NOT_IN_libc || defined IS_IN_libpthread
- attribute_hidden;
-# else
- ;
-# endif
-# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
-# endif
-# else
-# if !defined PIC
-# define SINGLE_THREAD_P \
- mov (+__local_multiple_threads),d0; \
- cmp 0,d0
-# elif !defined NOT_IN_libc || defined IS_IN_libpthread
-# define SINGLE_THREAD_P \
- movm [a2],(sp); \
- 1: mov pc,a2; \
- add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \
- mov (+__local_multiple_threads@GOTOFF,a2),d0; \
- movm (sp),[a2]; \
- cmp 0,d0
-# else
-# define SINGLE_THREAD_P \
- movm [a2],(sp); \
- 1: mov pc,a2; \
- add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \
- mov (+__local_multiple_threads@GOT,a2),a2; \
- mov (a2),d0; \
- movm (sp),[a2]; \
- cmp 0,d0
-# endif
-# endif
-
-#elif !defined __ASSEMBLER__
-
-/* This code should never be used but we define it anyhow. */
-# define SINGLE_THREAD_P (1)
-
-#endif
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/lockf64.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/lxstat.c>
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/am33 version.
- Copyright (C) 1996-2014 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-#include <sigcontextinfo.h>
-
-static void
-profil_counter (int signo, SIGCONTEXT scp)
-{
- profil_count ((void *) GET_PC (scp));
-}
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/putmsg.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setegid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/seteuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setfsgid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setfsuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setgid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setgroups.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setregid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setresgid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setresuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setreuid.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setrlimit.c>
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/setuid.c>
+++ /dev/null
-/* Copyright 2001-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/socket.S.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <socketcall.h>
-
-#define P(a, b) P2(a, b)
-#define P2(a, b) a##b
-
- .text
-/* The socket-oriented system calls are handled unusally in Linux.
- They are all gated through the single `socketcall' system call number.
- `socketcall' takes two arguments: the first is the subcode, specifying
- which socket function is being called; and the second is a pointer to
- the arguments to the specific function.
-
- The .S files for the other calls just #define socket and #include this. */
-
-#ifndef __socket
-#ifndef NO_WEAK_ALIAS
-#define __socket P(__,socket)
-#else
-#define __socket socket
-#endif
-#endif
-
-.globl __socket
-ENTRY (__socket)
-
- mov d0,(4,sp)
- mov d1,(8,sp)
-
- mov SYS_ify(socketcall),d0 /* System call number in d0. */
-
- /* Use ## so `socket' is a separate token that might be #define'd. */
- mov P(SOCKOP_,socket),a0 /* Subcode is first arg to syscall. */
- mov sp,d1
- add 4,d1 /* Address of args is 2nd arg. */
-
- /* Do the system call trap. */
- syscall 0
-
- /* d0 is < 0 if there was an error. */
- cmp -126,d0
- bls L(pseudo_end)
- jmp SYSCALL_ERROR_LABEL
-
- /* Successful; return the syscall's value. */
-L(pseudo_end):
- ret
-
-PSEUDO_END (__socket)
-
-#ifndef NO_WEAK_ALIAS
-weak_alias (__socket, socket)
-#endif
+++ /dev/null
-/* Copyright (C) 1995-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/syscall.S.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-
-/* Please consult the file sysdeps/unix/sysv/linux/am33/sysdep.h for
- more information about the value -126 used below.*/
-
- .text
-ENTRY (syscall)
- movm [d2,d3,a2,a3],(sp) /* Save register contents. */
- mov d1,a0
- mov (28,sp),d1
- mov (32,sp),a3
- mov (36,sp),a2
- mov (40,sp),d3
- mov (44,sp),d2
- syscall 0 /* Do the system call. */
- movm (sp),[d2,d3,a2,a3] /* Restore register contents. */
- cmp -126,d0 /* Check for error. */
- bls L(pseudo_end)
- jmp SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
-L(pseudo_end):
- ret /* Return to caller. */
-
-PSEUDO_END (syscall)
+++ /dev/null
-/* Copyright (C) 1995-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/sysdep.S.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-
-/* The following code is only used in the shared library when we
- compile the reentrant version. Otherwise each system call defines
- each own version. */
-
-#ifndef PIC
-
-#undef CALL_MCOUNT
-#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %eax. */
-
- .text
-ENTRY (__syscall_error)
- mov d0,d1
- clr d0
- sub d1,d0
-
-#define __syscall_error __syscall_error_1
-#include <../../../am33/sysdep.S>
-
-#endif /* !PIC */
+++ /dev/null
-/* Copyright 2001-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Alexandre Oliva <aoliva@redhat.com>.
- Based on ../i386/sysdep.h.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _LINUX_AM33_SYSDEP_H
-#define _LINUX_AM33_SYSDEP_H 1
-
-/* There is some commonality. */
-#include "../../../am33/sysdep.h"
-
-/* For Linux we can use the system call table in the header file
- /usr/include/asm/unistd.h
- of the kernel. But these symbols do not follow the SYS_* syntax
- so we have to redefine the `SYS_ify' macro here. */
-#undef SYS_ify
-#define SYS_ify(syscall_name) __NR_##syscall_name
-
-/* ELF-like local names start with `.L'. */
-#undef L
-#define L(name) .L##name
-
-#ifdef __ASSEMBLER__
-
-/* Linux uses a negative return value to indicate syscall errors,
- unlike most Unices, which use the condition codes' carry flag.
-
- Since version 2.1 the return value of a system call might be
- negative even if the call succeeded. E.g., the `lseek' system call
- might return a large offset. Therefore we must not anymore test
- for < 0, but test for a real error by making sure the value in %eax
- is a real error number. Linus said he will make sure the no syscall
- returns a value in -1 .. -4095 as a valid result so we can savely
- test with -4095. */
-
-/* We don't want the label for the error handle to be global when we define
- it here. */
-#ifdef PIC
-# define SYSCALL_ERROR_LABEL 0f
-#else
-# define SYSCALL_ERROR_LABEL syscall_error
-#endif
-
-#undef PSEUDO
-#define PSEUDO(name, syscall_name, args) \
- .text; \
- ENTRY (name) \
- DO_CALL (syscall_name, args); \
- cmp -126,d0; \
- bls L(pseudo_end); \
- jmp SYSCALL_ERROR_LABEL; \
- L(pseudo_end): \
- mov d0,a0;
-
-#undef PSEUDO_END
-#define PSEUDO_END(name) \
- SYSCALL_ERROR_HANDLER \
- END (name)
-
-#undef PSEUDO_NOERROR
-#define PSEUDO_NOERRNO(name, syscall_name, args) \
- .text; \
- ENTRY (name) \
- DO_CALL (syscall_name, args)
-
-#undef PSEUDO_END_NOERRNO
-#define PSEUDO_END_NOERRNO(name) \
- END (name)
-
-#define ret_NOERRNO ret
-
-/* The function has to return the error code. */
-#undef PSEUDO_ERRVAL
-#define PSEUDO_ERRVAL(name, syscall_name, args) \
- .text; \
- ENTRY (name) \
- DO_CALL (syscall_name, args); \
- clr d1; \
- sub d0,d1,d0
-
-#undef PSEUDO_END_ERRVAL
-#define PSEUDO_END_ERRVAL(name) \
- END (name)
-
-#define ret_ERRVAL ret
-
-#ifndef PIC
-#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
-#else
-/* Store (- d0) into errno through the GOT. */
-#ifdef _LIBC_REENTRANT
-#define SYSCALL_ERROR_HANDLER \
-0:movm [d2,a2],(sp); \
- add -12,sp; \
-1:mov pc,a2; \
- add _GLOBAL_OFFSET_TABLE_-(1b-.),a2; \
- clr d2; \
- sub d0,d2; \
- call __errno_location@PLT,[],0; \
- mov d2,(a0); \
- add 12,sp; \
- movm (sp),[d2,a2]; \
- mov -1,d0; \
- mov d0,a0; \
- jmp L(pseudo_end);
-/* A quick note: it is assumed that the call to `__errno_location' does
- not modify the stack! */
-#else
-#define SYSCALL_ERROR_HANDLER \
-0:mov pc,a0; \
- add _GLOBAL_OFFSET_TABLE_-(0b-.),a0; \
- clr d1; \
- sub d0,d1; \
- mov (errno@GOT,a0),a1; \
- mov d1,(a0); \
- mov -1,d0; \
- mov d0,a0; \
- jmp L(pseudo_end);
-#endif /* _LIBC_REENTRANT */
-#endif /* PIC */
-
-/* Linux takes system call arguments in registers:
-
- syscall number d0 call-clobbered
- arg 1 a0 call-clobbered
- arg 2 d1 call-clobbered
- arg 3 a3 call-saved
- arg 4 a2 call-saved
- arg 5 d3 call-saved
- arg 6 d2 call-saved
-
- The stack layout upon entering the function is:
-
- (24,sp) Arg# 6
- (20,sp) Arg# 5
- (16,sp) Arg# 4
- (12,sp) Arg# 3
- d1 Arg# 2
- d0 Arg# 1
- (sp) Return address
-
- (Of course a function with say 3 arguments does not have entries for
- arguments 4, 5 and 6.) */
-
-#undef DO_CALL
-#define DO_CALL(syscall_name, args) \
- PUSHARGS_##args \
- DOARGS_##args \
- mov SYS_ify (syscall_name),d0; \
- syscall 0 \
- POPARGS_##args
-
-#define PUSHARGS_0 /* No arguments to push. */
-#define _DOARGS_0(N) /* No arguments to frob. */
-#define DOARGS_0 /* No arguments to frob. */
-#define POPARGS_0 /* No arguments to pop. */
-
-#define PUSHARGS_1 /* No arguments to push. */
-#define _DOARGS_1(N) _DOARGS_0 (N-4) mov d0,a0;
-#define DOARGS_1 _DOARGS_1 (4)
-#define POPARGS_1 /* No arguments to pop. */
-
-#define PUSHARGS_2 /* No arguments to push. */
-#define _DOARGS_2(N) _DOARGS_1 (N-4) /* Argument already in d1. */
-#define DOARGS_2 _DOARGS_2 (8)
-#define POPARGS_2 /* No arguments to pop. */
-
-#define PUSHARGS_3 movm [a3],(sp);
-#define _DOARGS_3(N) _DOARGS_2 (N-4) mov (N,sp),a3;
-#define DOARGS_3 _DOARGS_3 (16)
-#define POPARGS_3 ; movm (sp),[a3]
-
-#define PUSHARGS_4 movm [a2,a3],(sp);
-#define _DOARGS_4(N) _DOARGS_3 (N-4) mov (N,sp),a2;
-#define DOARGS_4 _DOARGS_4 (24)
-#define POPARGS_4 ; movm (sp),[a2,a3]
-
-#define PUSHARGS_5 movm [d3,a2,a3],(sp);
-#define _DOARGS_5(N) _DOARGS_4 (N-4) mov (N,sp),d3;
-#define DOARGS_5 _DOARGS_5 (32)
-#define POPARGS_5 ; movm (sp),[d3,a2,a3]
-
-#define PUSHARGS_6 movm [d2,d3,a2,a3],(sp);
-#define _DOARGS_6(N) _DOARGS_5 (N-4) mov (N,sp),d2;
-#define DOARGS_6 _DOARGS_6 (40)
-#define POPARGS_6 ; movm (sp),[d2,d3,a2,a3]
-
-#else /* !__ASSEMBLER__ */
-
-/* Define a macro which expands inline into the wrapper code for a system
- call. */
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...) \
- ({ \
- unsigned int resultvar = INTERNAL_SYSCALL (name, , nr, args); \
- if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, ), 0)) \
- { \
- __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, )); \
- resultvar = 0xffffffff; \
- } \
- (int) resultvar; })
-
-#define INTERNAL_SYSCALL(name, err, nr, args...) \
-({ \
- register long __sc0 asm ("d0") = __NR_##name; \
- inline_syscall##nr(name, ## args); \
- __sc0; \
-})
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err) \
- ((unsigned int) (val) >= (unsigned long)-125)
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
-
-#define inline_syscall0(name,dummy...) \
-__asm__ __volatile__ ("syscall 0" \
- : "+d" (__sc0) \
- : : "memory")
-
-#define inline_syscall1(name,arg1) \
-register long __sc1 asm ("a0") = (long) (arg1); \
-inline_syscall0 (name); \
-__asm__ __volatile__ ("" : : "r" (__sc1))
-
-#define inline_syscall2(name,arg1,arg2) \
-register long __sc2 asm ("d1") = (long) (arg2); \
-inline_syscall1 (name,(arg1)); \
-__asm__ __volatile__ ("" : : "r" (__sc2))
-
-/* We can't tell whether a3 is going to be eliminated in the enclosing
- function, so we have to assume it isn't. We first load the value
- of any arguments into their registers, except for a3 itself, that
- may be needed to load the value of the other arguments. Then, we
- save a3's value in some other register, and load the argument value
- into a3. We have to force both a3 and its copy to be live in
- different registers at the same time, to avoid having the copy
- spilled and the value reloaded into the same register, in which
- case we'd be unable to get the value of a3 back, should the stack
- slot reference be (offset,a3). */
-#define inline_syscall3(name,arg1,arg2,arg3) \
-long __sc3v = (long) (arg3); \
-register long __sc1 asm ("a0") = (long) (arg1); \
-register long __sc2 asm ("d1") = (long) (arg2); \
-register long __sc3 asm ("a3") = __sc3; \
-register long __sc3c; \
-__asm__ __volatile__ ("mov %1,%0" : "=&r" (__sc3c) : "r" (__sc3)); \
-__sc3 = __sc3v; \
-__asm__ __volatile__ ("" : : "r" (__sc3c), "r" (__sc3)); \
-inline_syscall0 (name); \
-__sc3 = __sc3c; \
-__asm__ __volatile__ ("" : : "r" (__sc3), "r" (__sc2), "r" (__sc1))
-
-#ifdef PIC
-/* Since a2 is the PIC register, it requires similar handling as a3
- when we're generating PIC, as a2's value may be needed to load
- arguments whose values live in global variables. The difference is
- that we don't need to require its value to be live in a register;
- it may well be in a stack slot, as long as we save it before
- clobbering a3 and restore it after restoring a3. */
-#define inline_syscall4(name,arg1,arg2,arg3,arg4) \
-long __sc4v = (long) (arg4); \
-long __sc3v = (long) (arg3); \
-register long __sc1 asm ("a0") = (long) (arg1); \
-register long __sc2 asm ("d1") = (long) (arg2); \
-register long __sc3 asm ("a3") = __sc3; \
-register long __sc3c; \
-register long __sc4 asm ("a2") = __sc4; \
-long __sc4c = __sc4; \
-__sc4 = __sc4v; \
-__asm__ __volatile__ ("mov %1,%0" : "=&r" (__sc3c) : "r" (__sc3)); \
-__sc3 = __sc3v; \
-__asm__ __volatile__ ("" : : "r" (__sc3c), "r" (__sc3), "r" (__sc4)); \
-inline_syscall0 (name); \
-__sc3 = __sc3c; \
-__sc4 = __sc4c; \
-__asm__ __volatile__ ("" : : "r" (__sc4), "r" (__sc3), \
- "r" (__sc2), "r" (__sc1))
-#else
-#define inline_syscall4(name,arg1,arg2,arg3,arg4) \
-register long __sc4 asm ("a2") = (long) (arg4); \
-inline_syscall3 (name,(arg1),(arg2),(arg3)); \
-__asm__ __volatile__ ("" : : "r" (__sc4))
-#endif
-
-#define inline_syscall5(name,arg1,arg2,arg3,arg4,arg5) \
-register long __sc5 asm ("d3") = (long) (arg5); \
-inline_syscall4 (name,(arg1),(arg2),(arg3),(arg4)); \
-__asm__ __volatile__ ("" : : "r" (__sc5))
-
-#define inline_syscall6(name,arg1,arg2,arg3,arg4,arg5,arg6) \
-register long __sc6 asm ("d2") = (long) (arg6); \
-inline_syscall5 (name,(arg1),(arg2),(arg3),(arg4),(arg5)); \
-__asm__ __volatile__ ("" : : "r" (__sc6))
-
-#endif /* __ASSEMBLER__ */
-
-#endif /* linux/am33/sysdep.h */
+++ /dev/null
-#include <sysdeps/unix/sysv/linux/i386/xstat.c>
projects / platform / upstream / linaro-glibc.git / commitdiff