diff options
23 files changed, 195 insertions, 293 deletions
@@ -473,14 +473,12 @@ endif endif ifeq ($(TARGET_ARCH),frv) - CPU_LDFLAGS-$(CONFIG_FRV)+=-Wl,-melf32frvfd # Using -pie causes the program to have an interpreter, which is # forbidden, so we must make do with -shared. Unfortunately, # -shared by itself would get us global function descriptors # and calls through PLTs, dynamic resolution of symbols, etc, # which would break as well, but -Bsymbolic comes to the rescue. - export LDPIEFLAG:=-shared -Wl,-Bsymbolic - UCLIBC_LDSO=ld.so.1 + CPU_LDFLAGS-y += -Wl,-melf32frvfd -Wl,-Bsymbolic endif ifeq ($(strip $(TARGET_ARCH)),avr32) diff --git a/extra/Configs/Config.in.arch b/extra/Configs/Config.in.arch index 0dae84b06..92f45d969 100644 --- a/extra/Configs/Config.in.arch +++ b/extra/Configs/Config.in.arch @@ -20,15 +20,15 @@ config UCLIBC_FORMAT_DSBT_ELF select DOPIC config UCLIBC_FORMAT_FLAT bool "STATIC FLAT" - depends on !ARCH_USE_MMU + depends on !ARCH_USE_MMU && !TARGET_frv select ARCH_HAS_NO_LDSO config UCLIBC_FORMAT_FLAT_SEP_DATA bool "STATIC FLAT (sep-data)" - depends on !ARCH_USE_MMU + depends on !ARCH_USE_MMU && !TARGET_frv select ARCH_HAS_NO_LDSO config UCLIBC_FORMAT_SHARED_FLAT bool "SHARED FLAT" - depends on !ARCH_USE_MMU + depends on !ARCH_USE_MMU && !TARGET_frv select ARCH_HAS_NO_LDSO help Pick this one if you are using uClinux and wish to build diff --git a/include/link.h b/include/link.h index 67bc80062..711777bae 100644 --- a/include/link.h +++ b/include/link.h @@ -79,7 +79,7 @@ extern struct r_debug _r_debug; */ extern ElfW(Dyn) _DYNAMIC[]; -#ifdef __FDPIC__ +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) # include <bits/elf-fdpic.h> #endif #ifdef __DSBT__ @@ -97,7 +97,7 @@ struct link_map /* These first few members are part of the protocol with the debugger. This is the same format used in SVR4. */ -#ifdef __FDPIC__ +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) struct elf32_fdpic_loadaddr l_addr; #else #ifdef __DSBT__ @@ -184,7 +184,7 @@ enum struct dl_phdr_info { -#ifdef __FDPIC__ +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) struct elf32_fdpic_loadaddr dlpi_addr; #else #ifdef __DSBT__ diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h index 57f0ddc15..80625fd5b 100644 --- a/ldso/include/dl-elf.h +++ b/ldso/include/dl-elf.h @@ -203,7 +203,7 @@ unsigned int __dl_parse_dynamic_info(ElfW(Dyn) *dpnt, unsigned long dynamic_info /* Don't adjust .dynamic unnecessarily. For FDPIC targets, we'd have to walk all the loadsegs to find out if it was actually unnecessary, so skip this optimization. */ -#if !defined __FDPIC__ && !defined __DSBT__ +#if !defined __FRV_FDPIC__ && !defined __BFIN_FDPIC__ && !defined __DSBT__ if (load_off != 0) #endif { diff --git a/ldso/include/dl-hash.h b/ldso/include/dl-hash.h index 18f21aefa..d6282bb0c 100644 --- a/ldso/include/dl-hash.h +++ b/ldso/include/dl-hash.h @@ -135,7 +135,7 @@ struct elf_resolve { unsigned long data_words; #endif -#ifdef __FDPIC__ +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) /* Every loaded module holds a hashtable of function descriptors of functions defined in it, such that it's easy to release the memory when the module is dlclose()d. */ diff --git a/ldso/ldso/bfin/dl-sysdep.h b/ldso/ldso/bfin/dl-sysdep.h index a026b641d..5758117ba 100644 --- a/ldso/ldso/bfin/dl-sysdep.h +++ b/ldso/ldso/bfin/dl-sysdep.h @@ -79,7 +79,7 @@ while (0) #define DL_MAP_SEGMENT(EPNT, PPNT, INFILE, FLAGS) \ __dl_map_segment (EPNT, PPNT, INFILE, FLAGS) -#if defined(__FDPIC__) +#if defined(__BFIN_FDPIC__) #include "../fdpic/dl-sysdep.h" static __always_inline Elf32_Addr diff --git a/ldso/ldso/dl-hash.c b/ldso/ldso/dl-hash.c index 2c659dc58..740626e27 100644 --- a/ldso/ldso/dl-hash.c +++ b/ldso/ldso/dl-hash.c @@ -378,7 +378,7 @@ char *_dl_find_hash(const char *name, struct r_scope_elem *scope, struct elf_res break; #endif case STB_GLOBAL: -#ifdef __FDPIC__ +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) if (sym_ref) sym_ref->tpnt = tpnt; #endif @@ -387,7 +387,7 @@ char *_dl_find_hash(const char *name, struct r_scope_elem *scope, struct elf_res break; } } -#ifdef __FDPIC__ +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) if (sym_ref) sym_ref->tpnt = tpnt; #endif diff --git a/ldso/ldso/fdpic/dl-inlines.h b/ldso/ldso/fdpic/dl-inlines.h index ebbd0334c..a9bfc9311 100644 --- a/ldso/ldso/fdpic/dl-inlines.h +++ b/ldso/ldso/fdpic/dl-inlines.h @@ -176,6 +176,10 @@ _dl_funcdesc_for (void *entry_point, void *got_value) } entry = htab_find_slot(ht, entry_point, 1, hash_pointer, eq_pointer); + + if (entry == NULL) + _dl_exit(1); + if (*entry) { _dl_assert((*entry)->entry_point == entry_point); return _dl_stabilize_funcdesc(*entry); diff --git a/ldso/ldso/frv/dl-startup.h b/ldso/ldso/frv/dl-startup.h index 2aa7baa56..45e9cb9ce 100644 --- a/ldso/ldso/frv/dl-startup.h +++ b/ldso/ldso/frv/dl-startup.h @@ -27,9 +27,10 @@ __asm__("" \ " .text\n" \ -" .global _dl_boot\n" \ -" .type _dl_boot,@function\n" \ -"_dl_boot:\n" \ +" .global _start\n" \ +" .type _start,@function\n" \ +" .hidden _start\n" \ +"_start:\n" \ " call .Lcall\n" \ ".Lcall:\n" \ " movsg lr, gr4\n" \ @@ -54,18 +55,18 @@ __asm__("" \ " addi.p sp, #4, gr13\n" \ " addi sp, #-8, sp\n" \ " mov.p sp, gr12\n" \ -" call _dl_boot2\n" \ +" call _dl_start\n" \ " ldd.p @(sp, gr0), gr14\n" \ " addi sp, #8, sp\n" \ " movgs gr0, lr\n" \ " jmpl @(gr14, gr0)\n" \ -" .size _dl_boot,.-_dl_boot\n" \ +" .size _start,.-_start\n" \ ); -#define _dl_boot _dl_boot2 -#define DL_BOOT(X) \ +#undef DL_START +#define DL_START(X) \ static void __attribute__ ((used)) \ -_dl_boot (void *dl_boot_got_pointer, \ +_dl_start (Elf32_Addr dl_boot_got_pointer, \ struct elf32_fdpic_loadmap *dl_boot_progmap, \ struct elf32_fdpic_loadmap *dl_boot_ldsomap, \ Elf32_Dyn *dl_boot_ldso_dyn_pointer, \ @@ -115,6 +116,5 @@ _dl_boot (void *dl_boot_got_pointer, \ while (exec_mod->libtype != elf_executable) \ exec_mod = exec_mod->next; \ dl_main_funcdesc->got_value = exec_mod->loadaddr.got_value; \ - /* _dl_dprintf(2, "entry point is (%x,%x)\n", dl_main_funcdesc->entry_point, dl_main_funcdesc->got_value); */ \ return; \ } while (0) diff --git a/ldso/ldso/frv/dl-sysdep.h b/ldso/ldso/frv/dl-sysdep.h index f4e8b4c67..e6bf7f187 100644 --- a/ldso/ldso/frv/dl-sysdep.h +++ b/ldso/ldso/frv/dl-sysdep.h @@ -40,9 +40,6 @@ extern int _dl_linux_resolve(void) __attribute__((__visibility__("hidden"))); #define SEND_EARLY_STDERR(S) \ do { static char __s[] = (S); SEND_STDERR (__s); } while (0) -#define DL_RELOC_ADDR(ADDR, LOADADDR) \ - (__reloc_pointer ((void*)(ADDR), (LOADADDR).map)) - /* Make sure we only load libraries that use the same number of general-purpose and floating-point registers the dynamic loader was compiled for. */ @@ -85,3 +82,16 @@ do \ while (0) #include "../fdpic/dl-sysdep.h" + +static __always_inline Elf32_Addr +elf_machine_load_address (void) +{ + return 0; +} + +static __always_inline void +elf_machine_relative (DL_LOADADDR_TYPE load_off, const Elf32_Addr rel_addr, + Elf32_Word relative_count) +{ + ; +} diff --git a/ldso/ldso/frv/elfinterp.c b/ldso/ldso/frv/elfinterp.c index 6cb09f81f..2c954b3ab 100644 --- a/ldso/ldso/frv/elfinterp.c +++ b/ldso/ldso/frv/elfinterp.c @@ -10,6 +10,7 @@ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ +#include <sys/cdefs.h> /* __attribute_used__ */ #include <features.h> /* Program to load an ELF binary on a linux system, and run it. @@ -31,34 +32,30 @@ _dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry) ElfW(Sym) *symtab; int symtab_index; char *rel_addr; - struct elf_resolve *new_tpnt; char *new_addr; struct funcdesc_value funcval; struct funcdesc_value volatile *got_entry; char *symname; + struct symbol_ref sym_ref; - rel_addr = DL_RELOC_ADDR (tpnt->dynamic_info[DT_JMPREL], - tpnt->loadaddr); + rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL]; this_reloc = (ELF_RELOC *)(intptr_t)(rel_addr + reloc_entry); symtab_index = ELF_R_SYM(this_reloc->r_info); - symtab = (ElfW(Sym) *)(intptr_t) - DL_RELOC_ADDR (tpnt->dynamic_info[DT_SYMTAB], - tpnt->loadaddr); - strtab = DL_RELOC_ADDR (tpnt->dynamic_info[DT_STRTAB], tpnt->loadaddr); + symtab = (ElfW(Sym) *) tpnt->dynamic_info[DT_SYMTAB]; + strtab = (char *) tpnt->dynamic_info[DT_STRTAB]; + sym_ref.sym = &symtab[symtab_index]; + sym_ref.tpnt = NULL; symname= strtab + symtab[symtab_index].st_name; /* Address of GOT entry fix up */ - got_entry = (struct funcdesc_value *) - DL_RELOC_ADDR (this_reloc->r_offset, tpnt->loadaddr); + got_entry = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, this_reloc->r_offset); /* Get the address to be used to fill in the GOT entry. */ - new_addr = _dl_find_hash_mod(symname, &_dl_loaded_modules->symbol_scope, NULL, 0, - &new_tpnt); + new_addr = _dl_find_hash(symname, &_dl_loaded_modules->symbol_scope, NULL, 0, &sym_ref); if (!new_addr) { - new_addr = _dl_find_hash_mod(symname, NULL, NULL, 0, - &new_tpnt); + new_addr = _dl_find_hash(symname, NULL, NULL, 0, &sym_ref); if (!new_addr) { _dl_dprintf(2, "%s: can't resolve symbol '%s'\n", _dl_progname, symname); @@ -67,7 +64,7 @@ _dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry) } funcval.entry_point = new_addr; - funcval.got_value = new_tpnt->loadaddr.got_value; + funcval.got_value = sym_ref.tpnt->loadaddr.got_value; #if defined (__SUPPORT_LD_DEBUG__) if (_dl_debug_bindings) @@ -103,14 +100,13 @@ _dl_parse(struct elf_resolve *tpnt, struct r_scope_elem *scope, int symtab_index; /* Now parse the relocation information */ - rpnt = (ELF_RELOC *)(intptr_t) DL_RELOC_ADDR (rel_addr, tpnt->loadaddr); + rpnt = (ELF_RELOC *) rel_addr; rel_size = rel_size / sizeof(ELF_RELOC); - symtab = (ElfW(Sym) *)(intptr_t) - DL_RELOC_ADDR (tpnt->dynamic_info[DT_SYMTAB], tpnt->loadaddr); - strtab = DL_RELOC_ADDR (tpnt->dynamic_info[DT_STRTAB], tpnt->loadaddr); + symtab = (ElfW(Sym) *) tpnt->dynamic_info[DT_SYMTAB]; + strtab = (char *) tpnt->dynamic_info[DT_STRTAB]; - for (i = 0; i < rel_size; i++, rpnt++) { + for (i = 0; i < rel_size; i++, rpnt++) { int res; symtab_index = ELF_R_SYM(rpnt->r_info); @@ -161,24 +157,24 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct r_scope_elem *scope, #if defined (__SUPPORT_LD_DEBUG__) unsigned long old_val; #endif + struct symbol_ref sym_ref; - reloc_addr = (unsigned long *)(intptr_t) - DL_RELOC_ADDR (rpnt->r_offset, tpnt->loadaddr); + reloc_addr = (unsigned long *) DL_RELOC_ADDR (tpnt->loadaddr, rpnt->r_offset); __asm__ ("" : "=r" (reloc_addr_packed) : "0" (reloc_addr)); reloc_type = ELF_R_TYPE(rpnt->r_info); symtab_index = ELF_R_SYM(rpnt->r_info); symbol_addr = 0; + sym_ref.sym = &symtab[symtab_index]; + sym_ref.tpnt = NULL; symname = strtab + symtab[symtab_index].st_name; if (ELF_ST_BIND (symtab[symtab_index].st_info) == STB_LOCAL) { - symbol_addr = (unsigned long) - DL_RELOC_ADDR (symtab[symtab_index].st_value, - tpnt->loadaddr); + symbol_addr = (unsigned long) DL_RELOC_ADDR(tpnt->loadaddr, symtab[symtab_index].st_value); symbol_tpnt = tpnt; } else { symbol_addr = (unsigned long) - _dl_find_hash_mod(symname, scope, NULL, 0, &symbol_tpnt); + _dl_find_hash(symname, scope, NULL, 0, &sym_ref); /* * We want to allow undefined references to weak symbols - this might @@ -191,6 +187,7 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct r_scope_elem *scope, _dl_progname, strtab + symtab[symtab_index].st_name); _dl_exit (1); } + symbol_tpnt = sym_ref.tpnt; } #if defined (__SUPPORT_LD_DEBUG__) @@ -276,9 +273,9 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct r_scope_elem *scope, static int _dl_do_lazy_reloc (struct elf_resolve *tpnt, - struct r_scope_elem *scope __attribute_used__, - ELF_RELOC *rpnt, ElfW(Sym) *symtab __attribute_used__, - char *strtab __attribute_used__) + struct r_scope_elem *scope __attribute__((unused)), + ELF_RELOC *rpnt, ElfW(Sym) *symtab __attribute__((unused)), + char *strtab __attribute__((unused))) { int reloc_type; struct funcdesc_value volatile *reloc_addr; @@ -288,7 +285,7 @@ _dl_do_lazy_reloc (struct elf_resolve *tpnt, #endif reloc_addr = (struct funcdesc_value *)(intptr_t) - DL_RELOC_ADDR (rpnt->r_offset, tpnt->loadaddr); + DL_RELOC_ADDR (tpnt->loadaddr, rpnt->r_offset); reloc_type = ELF_R_TYPE(rpnt->r_info); #if defined (__SUPPORT_LD_DEBUG__) @@ -299,9 +296,7 @@ _dl_do_lazy_reloc (struct elf_resolve *tpnt, break; case R_FRV_FUNCDESC_VALUE: funcval = *reloc_addr; - funcval.entry_point = - DL_RELOC_ADDR (funcval.entry_point, - tpnt->loadaddr); + funcval.entry_point = (void *) DL_RELOC_ADDR(tpnt->loadaddr, funcval.entry_point); funcval.got_value = tpnt->loadaddr.got_value; *reloc_addr = funcval; break; @@ -334,14 +329,14 @@ _dl_parse_relocation_information int _dl_parse_copy_information -(struct dyn_elf *rpnt __attribute_used__, - unsigned long rel_addr __attribute_used__, - unsigned long rel_size __attribute_used__) +(struct dyn_elf *rpnt __attribute__((unused)), + unsigned long rel_addr __attribute__((unused)), + unsigned long rel_size __attribute__((unused))) { return 0; } -#ifndef LIBDL +#ifndef IS_IN_libdl # include "../../libc/sysdeps/linux/frv/crtreloc.c" #endif diff --git a/libc/misc/elf/dl-iterate-phdr.c b/libc/misc/elf/dl-iterate-phdr.c index 5b86db011..27a92544b 100644 --- a/libc/misc/elf/dl-iterate-phdr.c +++ b/libc/misc/elf/dl-iterate-phdr.c @@ -58,7 +58,7 @@ dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info, /* This entry describes this statically-linked program itself. */ struct dl_phdr_info info; int ret; -#if defined(__FDPIC__) +#if defined(__FRV_FDPIC__) || defined(__BFIN_FDPIC__) info.dlpi_addr.map = NULL; info.dlpi_addr.got_value = NULL; #elif defined(__DSBT__) diff --git a/libc/sysdeps/linux/frv/Makefile b/libc/sysdeps/linux/frv/Makefile index 7cdb8eca3..3970f6263 100644 --- a/libc/sysdeps/linux/frv/Makefile +++ b/libc/sysdeps/linux/frv/Makefile @@ -1,58 +1,13 @@ # Makefile for uClibc # # Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> -# ported to FR-V by Alexandre Oliva <aoliva@redhat.com> # # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. +# -TOPDIR=../../../../ -include $(TOPDIR)Rules.mak - -CRT_SRC := crt0.S -CRT_OBJ := crt0.o crt1.o -SCRT_OBJ := $(patsubst %,S%, $(CRT_OBJ)) - -CTOR_TARGETS := crti.o crtn.o - -SSRC := __longjmp.S setjmp.S clone.S vfork.S -SOBJ := $(patsubst %.S,%.o, $(SSRC)) - -CSRC = sysdep.c syscall.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c -CSRC += xstatconv.c stat.c stat64.c fstat.c fstat64.c lstat.c lstat64.c -COBJ := $(patsubst %.c,%.o, $(CSRC)) - -OBJS := $(SOBJ) $(COBJ) - -OBJ_LIST := ../../../obj.sysdeps.$(TARGET_ARCH) - -all: $(OBJ_LIST) - -$(OBJ_LIST): $(OBJS) $(CRT_OBJ) $(SCRT_OBJ) $(CTOR_TARGETS) - $(STRIPTOOL) -x -R .note -R .comment $^ - $(INSTALL) -d $(TOPDIR)lib/ - cp $(CRT_OBJ) $(SCRT_OBJ) $(CTOR_TARGETS) $(TOPDIR)lib/ - echo $(patsubst %, sysdeps/linux/$(TARGET_ARCH)/%, $(OBJS)) > $@ - -$(CRT_OBJ): $(CRT_SRC) crtreloc.o - $(CC) $(ASFLAGS) -DL_$* -r -nostdlib $^ -o $*.o - -crtreloc.o: crtreloc.c - $(CC) $(CFLAGS) -c $< -o $@ - -$(SCRT_OBJ): $(CRT_SRC) Scrtreloc.o - $(CC) $(ASFLAGS) $(PIEFLAG) -DL_$* -r -nostdlib $^ -o $*.o - -Scrtreloc.o: crtreloc.c - $(CC) $(CFLAGS) $(PIEFLAG) -c $< -o $@ - -$(CTOR_TARGETS): %.o : %.S - $(CC) $(ASFLAGS) $(SSP_DISABLE_FLAGS) -c $< -o $@ - -$(SOBJ): %.o : %.S - $(CC) $(ASFLAGS) -c $< -o $@ - -$(COBJ): %.o : %.c - $(CC) $(CFLAGS) -c $< -o $@ - -clean: - $(RM) *.o *~ core +top_srcdir=../../../../ +top_builddir=../../../../ +all: objs +include $(top_builddir)Rules.mak +include Makefile.arch +include $(top_srcdir)Makerules diff --git a/libc/sysdeps/linux/frv/Makefile.arch b/libc/sysdeps/linux/frv/Makefile.arch new file mode 100644 index 000000000..be48fd007 --- /dev/null +++ b/libc/sysdeps/linux/frv/Makefile.arch @@ -0,0 +1,11 @@ +# Makefile for uClibc +# +# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> +# ported to FR-V by Alexandre Oliva <aoliva@redhat.com> +# +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + +CSRC-y := sysdep.c syscall.c brk.c sbrk.c __init_brk.c dl-iterate-phdr.c + +SSRC-y := __longjmp.S setjmp.S clone.S vfork.S + diff --git a/libc/sysdeps/linux/frv/bits/fcntl.h b/libc/sysdeps/linux/frv/bits/fcntl.h index 0ef5f29e9..0581f2bf3 100644 --- a/libc/sysdeps/linux/frv/bits/fcntl.h +++ b/libc/sysdeps/linux/frv/bits/fcntl.h @@ -22,6 +22,9 @@ #include <sys/types.h> +#ifdef __USE_GNU +# include <bits/uio.h> +#endif /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ diff --git a/libc/sysdeps/linux/frv/bits/kernel_types.h b/libc/sysdeps/linux/frv/bits/kernel_types.h index 8403fd3e8..be4fe224f 100644 --- a/libc/sysdeps/linux/frv/bits/kernel_types.h +++ b/libc/sysdeps/linux/frv/bits/kernel_types.h @@ -31,6 +31,9 @@ typedef unsigned int __kernel_gid32_t; typedef unsigned short __kernel_old_uid_t; typedef unsigned short __kernel_old_gid_t; typedef long long __kernel_loff_t; +typedef __kernel_dev_t __kernel_old_dev_t; +typedef long __kernel_long_t; +typedef unsigned long __kernel_ulong_t; typedef struct { #ifdef __USE_ALL diff --git a/libc/sysdeps/linux/frv/bits/stat.h b/libc/sysdeps/linux/frv/bits/stat.h index 83f5b4726..e6a1944bb 100644 --- a/libc/sysdeps/linux/frv/bits/stat.h +++ b/libc/sysdeps/linux/frv/bits/stat.h @@ -70,6 +70,20 @@ struct stat __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ #endif +#ifdef __USE_MISC + /* Nanosecond resolution timestamps are stored in a format + equivalent to 'struct timespec'. This is the type used + whenever possible but the Unix namespace rules do not allow the + identifier 'timespec' to appear in the <sys/stat.h> header. + Therefore we have to handle the use of this header in strictly + standard-compliant sources special. */ + struct timespec st_atim; /* Time of last access. */ + struct timespec st_mtim; /* Time of last modification. */ + struct timespec st_ctim; /* Time of last status change. */ +# define st_atime st_atim.tv_sec /* Backward compatibility. */ +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +#else unsigned long int __unused1; __time_t st_atime; /* Time of last access. */ @@ -78,7 +92,7 @@ struct stat unsigned long int __unused3; __time_t st_ctime; /* Time of last status change. */ - +#endif unsigned long long __unused4; }; @@ -103,7 +117,20 @@ struct stat64 __blksize_t st_blksize; /* Optimal block size for I/O. */ __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ - +#ifdef __USE_MISC + /* Nanosecond resolution timestamps are stored in a format + equivalent to 'struct timespec'. This is the type used + whenever possible but the Unix namespace rules do not allow the + identifier 'timespec' to appear in the <sys/stat.h> header. + Therefore we have to handle the use of this header in strictly + standard-compliant sources special. */ + struct timespec st_atim; /* Time of last access. */ + struct timespec st_mtim; /* Time of last modification. */ + struct timespec st_ctim; /* Time of last status change. */ +# define st_atime st_atim.tv_sec /* Backward compatibility. */ +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +#else unsigned long int __unused1; __time_t st_atime; /* Time of last access. */ @@ -112,7 +139,7 @@ struct stat64 unsigned long int __unused3; __time_t st_ctime; /* Time of last status change. */ - +#endif unsigned long long __unused4; }; #endif diff --git a/libc/sysdeps/linux/frv/bits/syscalls.h b/libc/sysdeps/linux/frv/bits/syscalls.h index b1f532040..b03e8dbe0 100644 --- a/libc/sysdeps/linux/frv/bits/syscalls.h +++ b/libc/sysdeps/linux/frv/bits/syscalls.h @@ -10,128 +10,71 @@ #define SYS_ify(syscall_name) (__NR_##syscall_name) -/* user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h> */ -#if defined _LIBC && !defined __set_errno -# define __syscall_return(type, res) \ -do { \ - unsigned long __sr2 = (res); \ - if (unlikely ((unsigned long)(__sr2) >= (unsigned long)(-4095))) { \ - extern int __syscall_error (int); \ - return (type) __syscall_error (__sr2); \ - } \ - return (type) (__sr2); \ -} while (0) -#else -# define __syscall_return(type, res) \ -do { \ - unsigned long __sr2 = (res); \ - if (unlikely ((unsigned long)(__sr2) >= (unsigned long)(-4095))) { \ - __set_errno (-__sr2); \ - __sr2 = -1; \ - } \ - return (type) (__sr2); \ -} while (0) -#endif - -#ifndef __set_errno -# define __set_errno(val) ((*__errno_location ()) = (val)) -#endif - -/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ - -#define _syscall0(type,name) \ -type name(void) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8"); \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "=r" (__sc0) \ - : "r" (__scnum)); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum)); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1)); \ -__syscall_return(type,__sc0); \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2)); \ -__syscall_return(type,__sc0); \ -} +#define INLINE_SYSCALL_NCS(name, nr, args...) \ +(__extension__ \ + ({ \ + unsigned int _inline_sys_result = INTERNAL_SYSCALL_NCS (name, , nr, args);\ + if (unlikely (INTERNAL_SYSCALL_ERROR_P (_inline_sys_result, ))) \ + { \ + __set_errno (INTERNAL_SYSCALL_ERRNO (_inline_sys_result, )); \ + _inline_sys_result = (unsigned int) -1; \ + } \ + (int) _inline_sys_result; \ + }) \ +) -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3)); \ -__syscall_return(type,__sc0); \ -} +#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ +(__extension__ \ + ({unsigned int __internal_sys_result; \ + { \ + register int __a1 __asm__ ("gr8"); \ + register int _nr __asm__ ("gr7"); \ + LOAD_ARGS_##nr (args) \ + _nr = (name); \ + __asm__ __volatile__ ("tra gr0,gr0" \ + : "=r" (__a1) \ + : "r" (_nr) ASM_ARGS_##nr \ + : "memory"); \ + __internal_sys_result = __a1; \ + } \ + (int) __internal_sys_result; }) \ +) -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \ -register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2), \ - "r" (__sc3), "r" (__sc4)); \ -__syscall_return(type,__sc0); \ -} +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ((unsigned int) (val) >= 0xfffff001u) -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \ -type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \ -{ \ -register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \ -register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \ -register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \ -register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \ -register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \ -register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \ -register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6; \ -__asm__ __volatile__ ("tra gr0,gr0" \ - : "+r" (__sc0) \ - : "r" (__scnum), "r" (__sc1), "r" (__sc2), \ - "r" (__sc3), "r" (__sc4), "r" (__sc5)); \ -__syscall_return(type,__sc0); \ -} +#define LOAD_ARGS_0() +#define ASM_ARGS_0 +#define LOAD_ARGS_1(a1) \ + int __a1tmp = (int) (a1); \ + LOAD_ARGS_0 () \ + __a1 = __a1tmp; +#define ASM_ARGS_1 ASM_ARGS_0, "r" (__a1) +#define LOAD_ARGS_2(a1, a2) \ + int __a2tmp = (int) (a2); \ + LOAD_ARGS_1 (a1) \ + register int __a2 __asm__ ("gr8") = __a2tmp; +#define ASM_ARGS_2 ASM_ARGS_1, "r" (__a2) +#define LOAD_ARGS_3(a1, a2, a3) \ + int __a3tmp = (int) (a3); \ + LOAD_ARGS_2 (a1, a2) \ + register int __a3 __asm__ ("gr9") = __a3tmp; +#define ASM_ARGS_3 ASM_ARGS_2, "r" (__a3) +#define LOAD_ARGS_4(a1, a2, a3, a4) \ + int __a4tmp = (int) (a4); \ + LOAD_ARGS_3 (a1, a2, a3) \ + register int __a4 __asm__ ("gr10") = __a4tmp; +#define ASM_ARGS_4 ASM_ARGS_3, "r" (__a4) +#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \ + int __v1tmp = (int) (a5); \ + LOAD_ARGS_4 (a1, a2, a3, a4) \ + register int __v1 __asm__ ("gr11") = __v1tmp; +#define ASM_ARGS_5 ASM_ARGS_4, "r" (__v1) +#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \ + int __v2tmp = (int) (a6); \ + LOAD_ARGS_5 (a1, a2, a3, a4, a5) \ + register int __v2 __asm__ ("gr12") = __v2tmp; +#define ASM_ARGS_6 ASM_ARGS_5, "r" (__v2) #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ diff --git a/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h b/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h index 293cc9b00..f660fd223 100644 --- a/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h +++ b/libc/sysdeps/linux/frv/bits/uClibc_arch_features.h @@ -37,6 +37,6 @@ #define __UCLIBC_HAVE_SIGNED_ZERO__ /* only weird assemblers generally need this */ -#undef __UCLIBC_ASM_LINE_SEP__ +#define __UCLIBC_ASM_LINE_SEP__ ! #endif /* _BITS_UCLIBC_ARCH_FEATURES_H */ diff --git a/libc/sysdeps/linux/frv/crt0.S b/libc/sysdeps/linux/frv/crt1.S index 59f61f94f..0827feae7 100644 --- a/libc/sysdeps/linux/frv/crt0.S +++ b/libc/sysdeps/linux/frv/crt1.S @@ -44,13 +44,10 @@ not, see <http://www.gnu.org/licenses/>. */ .text .global _start .type _start,%function -#if defined L_crt0 || defined L_Scrt0 || ! defined __UCLIBC_CTOR_DTOR__ - .type __uClibc_main,%function -#else .weak _init .weak _fini - .type __uClibc_start_main,%function -#endif + .type __uClibc_main,%function + _start: /* Make sure the stack pointer is properly aligned. Save the original value in gr21 such that we can get to arguments and @@ -104,7 +101,7 @@ _start: ld.p @(gr11, gr17), gr11 mov gr17, gr15 ld.p @(gr12, gr17), gr12 - call __uClibc_start_main + call __uClibc_main #else mov.p gr17, gr15 call __uClibc_main diff --git a/libc/sysdeps/linux/frv/crtreloc.c b/libc/sysdeps/linux/frv/crtreloc.c index cd07170a8..b1d542395 100644 --- a/libc/sysdeps/linux/frv/crtreloc.c +++ b/libc/sysdeps/linux/frv/crtreloc.c @@ -25,6 +25,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see <http://www.gnu.org/licenses/>. */ +#ifdef __FRV_FDPIC__ + #include <sys/types.h> #include <link.h> @@ -61,7 +63,7 @@ reloc_range_indirect (void ***p, void ***e, /* Call __reloc_range_indirect for the given range except for the last entry, whose contents are only relocated. It's expected to hold the GOT value. */ -void* attribute_hidden +attribute_hidden void* __self_reloc (const struct elf32_fdpic_loadmap *map, void ***p, void ***e) { @@ -72,48 +74,4 @@ __self_reloc (const struct elf32_fdpic_loadmap *map, return __reloc_pointer (*p, map); } - -#if 0 -/* These are other functions that might be useful, but that we don't - need. */ - -/* Remap pointers in [p,e). */ -static __always_inline void** -reloc_range (void **p, void **e, - const struct elf32_fdpic_loadmap *map) -{ - while (p < e) - { - *p = __reloc_pointer (*p, map); - p++; - } - return p; -} - -/* Remap p, adjust e by the same offset, then map the pointers in the - range determined by them. */ -void attribute_hidden -__reloc_range (const struct elf32_fdpic_loadmap *map, - void **p, void **e) -{ - void **old = p; - - p = __reloc_pointer (p, map); - e += p - old; - reloc_range (p, e, map); -} - -/* Remap p, adjust e by the same offset, then map pointers referenced - by the (unadjusted) pointers in the range. Return the relocated - value of the last pointer in the range. */ -void* attribute_hidden -__reloc_range_indirect (const struct elf32_fdpic_loadmap *map, - void ***p, void ***e) -{ - void ***old = p; - - p = __reloc_pointer (p, map); - e += p - old; - return reloc_range_indirect (p, e, map); -} -#endif +#endif /* __FRV_FDPIC__ */ diff --git a/libc/sysdeps/linux/frv/jmpbuf-unwind.h b/libc/sysdeps/linux/frv/jmpbuf-unwind.h index b58f3f0e3..c22ab2409 100644 --- a/libc/sysdeps/linux/frv/jmpbuf-unwind.h +++ b/libc/sysdeps/linux/frv/jmpbuf-unwind.h @@ -10,5 +10,3 @@ containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ ((void *) (address) < (void *) (jmpbuf)->__sp) - -#endif /* bits/setjmp.h */ diff --git a/libc/sysdeps/linux/frv/syscall.c b/libc/sysdeps/linux/frv/syscall.c index 68fe55696..a98cf3832 100644 --- a/libc/sysdeps/linux/frv/syscall.c +++ b/libc/sysdeps/linux/frv/syscall.c @@ -37,5 +37,5 @@ long syscall(long sysnum, long arg1, long arg2, long arg3, : "+r" (__sc0) : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5)); - __syscall_return(long,__sc0); + return (long) __sc0; } |