diff options
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/bits/sigaction.h | 6 | ||||
| -rw-r--r-- | sysdeps/generic/dl-sysdep.c | 77 |
2 files changed, 79 insertions, 4 deletions
diff --git a/sysdeps/generic/bits/sigaction.h b/sysdeps/generic/bits/sigaction.h index e5f661db80..e89479bd1c 100644 --- a/sysdeps/generic/bits/sigaction.h +++ b/sysdeps/generic/bits/sigaction.h @@ -37,9 +37,9 @@ struct sigaction /* Bits in `sa_flags'. */ #ifdef __USE_BSD -#define SA_ONSTACK 0x1 /* Take signal on signal stack. */ -#define SA_RESTART 0x2 /* Don't restart syscall on signal return. */ -#define SA_DISABLE 0x4 /* Disable alternate signal stack. */ +# define SA_ONSTACK 0x1 /* Take signal on signal stack. */ +# define SA_RESTART 0x2 /* Restart syscall on signal return. */ +# define SA_DISABLE 0x4 /* Disable alternate signal stack. */ #endif #define SA_NOCLDSTOP 0x8 /* Don't send SIGCHLD when children stop. */ diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c index 4f97f8547b..fd79bc4b81 100644 --- a/sysdeps/generic/dl-sysdep.c +++ b/sysdeps/generic/dl-sysdep.c @@ -25,6 +25,7 @@ #include <fcntl.h> #include <link.h> #include <unistd.h> +#include <stdio-common/_itoa.h> #include <dl-machine.h> @@ -40,6 +41,7 @@ extern void ENTRY_POINT (void); int __libc_enable_secure; int __libc_multiple_libcs; /* Defining this here avoids the inclusion of init-first. */ +static ElfW(auxv_t) *_dl_auxv; ElfW(Addr) _dl_sysdep_start (void **start_argptr, @@ -68,7 +70,7 @@ _dl_sysdep_start (void **start_argptr, seen = 0; #define M(type) (1 << (type)) - for (av = (void *) ++start_argptr; + for (av = _dl_auxv = (void *) ++start_argptr; av->a_type != AT_NULL; seen |= M ((++av)->a_type)) switch (av->a_type) @@ -148,3 +150,76 @@ void _dl_sysdep_start_cleanup (void) { } + +void +_dl_show_auxv (void) +{ + char buf[64]; + ElfW(auxv_t) *av; + + /* Terminate string. */ + buf[63] = '\0'; + + for (av = _dl_auxv; av->a_type != AT_NULL; ++av) + switch (av->a_type) + { + case AT_PHDR: + _dl_sysdep_message ("AT_PHDR: 0x", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 16, 0), + "\n", NULL); + break; + case AT_PHNUM: + _dl_sysdep_message ("AT_PHNUM: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + case AT_PAGESZ: + _dl_sysdep_message ("AT_PAGESZ: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + case AT_ENTRY: + _dl_sysdep_message ("AT_ENTRY: 0x", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 16, 0), + "\n", NULL); + break; + case AT_UID: + _dl_sysdep_message ("AT_UID: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + case AT_GID: + _dl_sysdep_message ("AT_GID: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + case AT_EUID: + _dl_sysdep_message ("AT_EUID: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + case AT_EGID: + _dl_sysdep_message ("AT_EGID: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + case AT_PLATFORM: + _dl_sysdep_message ("AT_PLATFORM: ", av->a_un.a_ptr, NULL); + break; + case AT_HWCAP: + /* Well, what shall we use? A string or an integer with bits? */ + _dl_sysdep_message ("AT_HWCAP: ", + _itoa_word (av->a_un.a_val, buf + sizeof buf - 1, + 10, 0), + "\n", NULL); + break; + } +} |