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https://sourceware.org/git/glibc.git
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9714012ca0
aio_* bring in references to pread, which isn't in all the standards containing aio_* (as a reference from one library to another, this is a bug for dynamic as well as static linking). This patch fixes this by using __libc_pread instead, exporting that function from libc at symbol version GLIBC_PRIVATE; the code, with conditionals that may call either __pread64 or __libc_pread, becomes exactly analogous to that elsewhere in the same file that may call either __pwrite64 or __libc_pwrite. Tested for x86_64 and x86 (testsuite, and comparison of disassembly of installed shared libraries). libc changes because of the PLT entry for the newly exported __libc_pread; librt changes because of assertion line numbers and PLT rearrangement; other stripped installed shared libraries do not change. [BZ #18519] * posix/Versions (libc): Export __libc_pread at version GLIBC_PRIVATE. * sysdeps/pthread/aio_misc.c (handle_fildes_io): Call __libc_pread instead of pread. * conform/Makefile (test-xfail-POSIX/aio.h/linknamespace): Remove variable.
141 lines
3.3 KiB
Plaintext
141 lines
3.3 KiB
Plaintext
libc {
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GLIBC_2.0 {
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# functions with special/multiple interfaces
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__bsd_getpgrp; __getpgid; __setpgid;
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# functions with required interface outside normal name space
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_exit;
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# functions used in other libraries
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__sched_get_priority_max; __sched_get_priority_min;
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__sched_getparam; __sched_getscheduler; __sched_setscheduler;
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__sched_yield; __fork; __getpid; __wait;
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# functions used by libstdc++ 2.7.2
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__waitpid;
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# global variables
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__environ; _environ;
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# variables in normal name space
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environ; optarg; opterr; optind; optopt;
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re_max_failures; re_syntax_options;
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# a*
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alarm;
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# c*
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confstr;
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# e*
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execl; execle; execlp; execv; execve; execvp; fexecve;
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# f*
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fnmatch; fork; fpathconf; freeaddrinfo;
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# g*
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getaddrinfo; getdtablesize; getegid; geteuid; getgid; getopt; getopt_long;
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getopt_long_only; getpgid; getpgrp; getpid; getppid; getsid; getuid; glob;
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glob_pattern_p; globfree; group_member;
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# n*
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nanosleep;
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# p*
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pathconf; pause; pselect;
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# r*
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re_comp; re_compile_fastmap; re_compile_pattern; re_exec; re_match;
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re_match_2; re_search; re_search_2; re_set_registers; re_set_syntax;
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regcomp; regerror; regexec; regfree;
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# s*
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sched_get_priority_max; sched_get_priority_min; sched_getparam;
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sched_getscheduler; sched_rr_get_interval; sched_setparam;
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sched_setscheduler; sched_yield; setegid; seteuid; setgid;
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setpgid; setpgrp; setsid; setuid; sleep; sysconf;
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# t*
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times;
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# u*
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uname;
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# v*
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vfork;
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# w*
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wait; wait3; wait4; waitpid;
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}
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GLIBC_2.1 {
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# functions used in other libraries
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__pread64; __pwrite64;
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# g*
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gai_strerror; getnameinfo; glob64; globfree64;
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# p*
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pread; pread64; pwrite; pwrite64;
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# w*
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waitid; wordexp; wordfree;
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}
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GLIBC_2.1.2 {
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# functions used in other libraries
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__vfork;
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}
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GLIBC_2.2 {
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# p*
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posix_spawn_file_actions_init; posix_spawn_file_actions_destroy;
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posix_spawn_file_actions_addclose; posix_spawn_file_actions_addopen;
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posix_spawn_file_actions_adddup2;
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posix_spawnattr_init; posix_spawnattr_destroy;
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posix_spawnattr_getsigdefault; posix_spawnattr_setsigdefault;
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posix_spawnattr_getflags; posix_spawnattr_setflags;
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posix_spawnattr_getpgroup; posix_spawnattr_setpgroup;
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posix_spawnattr_setsigmask; posix_spawnattr_getsigmask;
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posix_spawn; posix_spawnp; posix_spawnattr_getschedpolicy;
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posix_spawnattr_setschedpolicy; posix_spawnattr_getschedparam;
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posix_spawnattr_setschedparam;
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# Used in macros.
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__sysconf;
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}
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GLIBC_2.2.3 {
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# Extended Interface.
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fnmatch;
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}
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GLIBC_2.2.6 {
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# For syscall wrapper
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__nanosleep;
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}
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GLIBC_2.3.2 {
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# Note that these symbols appear in sysdeps/unix/sysv/linux/Versions
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# under GLIBC_2.0; the first instance in the script is taken as the
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# default, so linux configurations put them in GLIBC_2.0 while other
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# configuration put them in GLIBC_2.3.2.
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getresgid; getresuid; setresgid; setresuid;
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}
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GLIBC_2.3.3 {
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sched_getaffinity; sched_setaffinity;
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}
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GLIBC_2.3.4 {
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regexec;
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}
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GLIBC_2.6 {
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__sched_cpucount;
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}
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GLIBC_2.7 {
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__sched_cpualloc; __sched_cpufree;
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}
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GLIBC_2.10 {
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__posix_getopt;
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}
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GLIBC_2.11 {
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execvpe;
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}
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GLIBC_PRIVATE {
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__libc_fork; __libc_pread; __libc_pwrite;
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}
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}
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