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| author | Andreas Schwab <schwab@redhat.com> | 2010-01-18 07:24:09 -0800 |
|---|---|---|
| committer | Petr Baudis <pasky@ucw.cz> | 2010-05-12 01:28:15 +0200 |
| commit | 72fe1ad1520b87137b11c315533594a4e350adea (patch) | |
| tree | 8b8b482d02d51b57734f5544d1c95efb294d8fe0 | |
| parent | e73ad37f1571c67eaa0ea503ae91412f1d7abc6d (diff) | |
| download | glibc-72fe1ad1520b87137b11c315533594a4e350adea.tar.gz glibc-72fe1ad1520b87137b11c315533594a4e350adea.tar.xz glibc-72fe1ad1520b87137b11c315533594a4e350adea.zip | |
Use correct type when casting d_tag.
(cherry picked from commit db07e962b6ea963dbb345439f6ab9b0cf74d87c5)
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | elf/dynamic-link.h | 15 |
2 files changed, 13 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog index 6f616515ba..a45e8ee069 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2010-01-18 Andreas Schwab <schwab@redhat.com> + * elf/dynamic-link.h (elf_get_dynamic_info): Use correct type when + casting d_tag. + * elf/dynamic-link.h (elf_get_dynamic_info): Ignore negative dynamic entry types. diff --git a/elf/dynamic-link.h b/elf/dynamic-link.h index dff06556a7..6d7e14282f 100644 --- a/elf/dynamic-link.h +++ b/elf/dynamic-link.h @@ -103,6 +103,11 @@ elf_get_dynamic_info (struct link_map *l, ElfW(Dyn) *temp) { ElfW(Dyn) *dyn = l->l_ld; ElfW(Dyn) **info; +#if __ELF_NATIVE_CLASS == 32 + typedef Elf32_Word d_tag_utype; +#elif __ELF_NATIVE_CLASS == 64 + typedef Elf64_Xword d_tag_utype; +#endif #ifndef RTLD_BOOTSTRAP if (dyn == NULL) @@ -113,20 +118,20 @@ elf_get_dynamic_info (struct link_map *l, ElfW(Dyn) *temp) while (dyn->d_tag != DT_NULL) { - if ((Elf32_Word) dyn->d_tag < DT_NUM) + if ((d_tag_utype) dyn->d_tag < DT_NUM) info[dyn->d_tag] = dyn; else if (dyn->d_tag >= DT_LOPROC && dyn->d_tag < DT_LOPROC + DT_THISPROCNUM) info[dyn->d_tag - DT_LOPROC + DT_NUM] = dyn; - else if ((Elf32_Word) DT_VERSIONTAGIDX (dyn->d_tag) < DT_VERSIONTAGNUM) + else if ((d_tag_utype) DT_VERSIONTAGIDX (dyn->d_tag) < DT_VERSIONTAGNUM) info[VERSYMIDX (dyn->d_tag)] = dyn; - else if ((Elf32_Word) DT_EXTRATAGIDX (dyn->d_tag) < DT_EXTRANUM) + else if ((d_tag_utype) DT_EXTRATAGIDX (dyn->d_tag) < DT_EXTRANUM) info[DT_EXTRATAGIDX (dyn->d_tag) + DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM] = dyn; - else if ((Elf32_Word) DT_VALTAGIDX (dyn->d_tag) < DT_VALNUM) + else if ((d_tag_utype) DT_VALTAGIDX (dyn->d_tag) < DT_VALNUM) info[DT_VALTAGIDX (dyn->d_tag) + DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM + DT_EXTRANUM] = dyn; - else if ((Elf32_Word) DT_ADDRTAGIDX (dyn->d_tag) < DT_ADDRNUM) + else if ((d_tag_utype) DT_ADDRTAGIDX (dyn->d_tag) < DT_ADDRNUM) info[DT_ADDRTAGIDX (dyn->d_tag) + DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM + DT_EXTRANUM + DT_VALNUM] = dyn; ++dyn; |