diff options
Diffstat (limited to 'libc')
106 files changed, 1558 insertions, 1146 deletions
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c index d7a659a8c..130a9a505 100644 --- a/libc/inet/resolv.c +++ b/libc/inet/resolv.c @@ -2699,7 +2699,7 @@ int gethostent_r(struct hostent *result_buf, char *buf, size_t buflen, hostp = __open_etc_hosts(); if (hostp == NULL) { *result = NULL; - ret = TRY_AGAIN; + *h_errnop = ret = TRY_AGAIN; goto DONE; } } diff --git a/libc/misc/auxvt/getauxval.c b/libc/misc/auxvt/getauxval.c index 2bdffaf2c..7610b7e5c 100755 --- a/libc/misc/auxvt/getauxval.c +++ b/libc/misc/auxvt/getauxval.c @@ -17,32 +17,28 @@ * <http://www.gnu.org/licenses/>. */ -#include "errno.h" -#include "ldso.h" -#include "sys/auxv.h" +#include <errno.h> +#include <ldso.h> +#include <sys/auxv.h> - -/* - * - * aarch64 gcc 11 uses __getauxval() in init_have_lse_atomics() - * - */ unsigned long int __getauxval (unsigned long int __type) { - if ( __type >= AUX_MAX_AT_ID ){ + // Requested value part of cached subset of auxiliary vector? + if (__type < AUX_MAX_AT_ID) { + if (_dl_auxvt[__type].a_type == __type) + return _dl_auxvt[__type].a_un.a_val; + __set_errno (ENOENT); return 0; } - if ( _dl_auxvt[__type].a_type == __type){ - return _dl_auxvt[__type].a_un.a_val; - } + // Otherwise we have to iterate the auxiliary vector. + for (ElfW(auxv_t) *entry = _dl_auxv_start; entry->a_type != AT_NULL; entry++) + if (entry->a_type == __type) + return entry->a_un.a_val; __set_errno (ENOENT); return 0; } -unsigned long int getauxval (unsigned long int __type){ - return __getauxval( __type ); -} - +weak_alias(__getauxval, getauxval) diff --git a/libc/misc/elf/dl-support.c b/libc/misc/elf/dl-support.c index 87cd1bb72..09cbefc18 100644 --- a/libc/misc/elf/dl-support.c +++ b/libc/misc/elf/dl-support.c @@ -12,6 +12,7 @@ */ #include <link.h> +#include <ldso.h> #include <elf.h> #if defined(USE_TLS) && USE_TLS #include <assert.h> @@ -31,17 +32,29 @@ ElfW(Phdr) *_dl_phdr; size_t _dl_phnum; size_t _dl_pagesize; +ElfW(auxv_t) _dl_auxvt[AUX_MAX_AT_ID]; +ElfW(auxv_t) *_dl_auxv_start; + void internal_function _dl_aux_init (ElfW(auxv_t) *av); void internal_function _dl_aux_init (ElfW(auxv_t) *av) { + _dl_auxv_start = av; + + memset(_dl_auxvt, 0x00, sizeof(_dl_auxvt)); + for (; av->a_type != AT_NULL; av++) + { + if (av->a_type < AUX_MAX_AT_ID) + _dl_auxvt[av->a_type] = *av; + } + /* Get the program headers base address from the aux vect */ - _dl_phdr = (ElfW(Phdr) *) av[AT_PHDR].a_un.a_val; + _dl_phdr = (ElfW(Phdr) *) _dl_auxvt[AT_PHDR].a_un.a_val; /* Get the number of program headers from the aux vect */ - _dl_phnum = (size_t) av[AT_PHNUM].a_un.a_val; + _dl_phnum = (size_t) _dl_auxvt[AT_PHNUM].a_un.a_val; /* Get the pagesize from the aux vect */ - _dl_pagesize = (av[AT_PAGESZ].a_un.a_val) ? (size_t) av[AT_PAGESZ].a_un.a_val : PAGE_SIZE; + _dl_pagesize = (_dl_auxvt[AT_PAGESZ].a_un.a_val) ? (size_t) _dl_auxvt[AT_PAGESZ].a_un.a_val : PAGE_SIZE; } #if defined(USE_TLS) && USE_TLS diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c index 64a9c8214..60695b6ed 100644 --- a/libc/misc/internals/__uClibc_main.c +++ b/libc/misc/internals/__uClibc_main.c @@ -43,7 +43,7 @@ /* Are we in a secure process environment or are we dealing * with setuid stuff? If we are dynamically linked, then we * already have _dl_secure, otherwise we need to re-examine - * auxvt[] below. + * _dl_auxvt[] below. */ int _pe_secure = 0; libc_hidden_data_def(_pe_secure) @@ -84,6 +84,8 @@ static void fdpic_init_array_jump(void *addr) #ifndef SHARED void *__libc_stack_end = NULL; +#include "dl-auxvt.h" + # ifdef __UCLIBC_HAS_SSP__ # include <dl-osinfo.h> static uintptr_t stack_chk_guard; @@ -373,7 +375,6 @@ void __uClibc_main(int (*main)(int, char **, char **), int argc, { #ifndef SHARED unsigned long *aux_dat; - ElfW(auxv_t) auxvt[AT_EGID + 1]; #endif #ifdef __UCLIBC_HAS_THREADS_NATIVE__ @@ -399,23 +400,14 @@ void __uClibc_main(int (*main)(int, char **, char **), int argc, #ifndef SHARED /* Pull stuff from the ELF header when possible */ - memset(auxvt, 0x00, sizeof(auxvt)); aux_dat = (unsigned long*)__environ; while (*aux_dat) { aux_dat++; } aux_dat++; - while (*aux_dat) { - ElfW(auxv_t) *auxv_entry = (ElfW(auxv_t) *) aux_dat; - if (auxv_entry->a_type <= AT_EGID) { - memcpy(&(auxvt[auxv_entry->a_type]), auxv_entry, sizeof(ElfW(auxv_t))); - } - aux_dat += 2; - } /* Get the program headers (_dl_phdr) from the aux vector It will be used into __libc_setup_tls. */ - - _dl_aux_init (auxvt); + _dl_aux_init ((ElfW(auxv_t) *)aux_dat); #endif /* We need to initialize uClibc. If we are dynamically linked this @@ -431,10 +423,10 @@ void __uClibc_main(int (*main)(int, char **, char **), int argc, #ifndef SHARED /* Prevent starting SUID binaries where the stdin. stdout, and * stderr file descriptors are not already opened. */ - if ((auxvt[AT_UID].a_un.a_val == (size_t)-1 && __check_suid()) || - (auxvt[AT_UID].a_un.a_val != (size_t)-1 && - (auxvt[AT_UID].a_un.a_val != auxvt[AT_EUID].a_un.a_val || - auxvt[AT_GID].a_un.a_val != auxvt[AT_EGID].a_un.a_val))) + if ((_dl_auxvt[AT_UID].a_un.a_val == (size_t)-1 && __check_suid()) || + (_dl_auxvt[AT_UID].a_un.a_val != (size_t)-1 && + (_dl_auxvt[AT_UID].a_un.a_val != _dl_auxvt[AT_EUID].a_un.a_val || + _dl_auxvt[AT_GID].a_un.a_val != _dl_auxvt[AT_EGID].a_un.a_val))) #else if (_dl_secure) #endif diff --git a/libc/misc/internals/reloc_static_pie.c b/libc/misc/internals/reloc_static_pie.c index cb2c4df87..3bbdef18e 100644 --- a/libc/misc/internals/reloc_static_pie.c +++ b/libc/misc/internals/reloc_static_pie.c @@ -107,6 +107,8 @@ reloc_static_pie(ElfW(Addr) load_addr) PERFORM_BOOTSTRAP_RELOC(rpnt, reloc_addr, symbol_addr, load_addr, sym); } } +#else + (void)rel_size; #endif } _dl_load_base = load_addr; diff --git a/libc/stdio/_fpmaxtostr.c b/libc/stdio/_fpmaxtostr.c index b06b25aa0..1f268fdaa 100644 --- a/libc/stdio/_fpmaxtostr.c +++ b/libc/stdio/_fpmaxtostr.c @@ -318,8 +318,8 @@ ssize_t _fpmaxtostr(FILE * fp, __fpmax_t x, struct printf_info *info, #else /* __UCLIBC_HAS_HEXADECIMAL_FLOATS__ */ -#define lower_bnd 1e8 -#define upper_bnd 1e9 +#define lower_bnd (__fpmax_t)1e8 +#define upper_bnd (__fpmax_t)1e9 #define power_table exp10_table #define dpb DIGITS_PER_BLOCK #define base 10 diff --git a/libc/stdio/_scanf.c b/libc/stdio/_scanf.c index 3f3000d6f..cb72d14ac 100644 --- a/libc/stdio/_scanf.c +++ b/libc/stdio/_scanf.c @@ -1715,7 +1715,7 @@ int attribute_hidden __psfs_do_numeric(psfs_t *psfs, struct scan_cookie *sc) #define MAX_DIGITS 65 /* Allow one leading 0. */ unsigned char buf[MAX_DIGITS+2+ 100]; unsigned char usflag, base; - unsigned char nonzero = 0; + unsigned char nonzero __attribute__((unused)) = 0; unsigned char seendigit = 0; #ifndef __UCLIBC_HAS_FLOATS__ diff --git a/libc/stdlib/_strtod.c b/libc/stdlib/_strtod.c index c4c79e511..483551e64 100644 --- a/libc/stdlib/_strtod.c +++ b/libc/stdlib/_strtod.c @@ -256,7 +256,7 @@ __fpmax_t attribute_hidden __XL_NPP(__strtofpmax)(const Wchar *str, Wchar **endp } #endif - num |