# See scripts/check-localplt.awk for how this file is processed. # PLT use is required for the malloc family and for matherr because # users can define their own functions and have library internals call them. # Linker in binutils 2.26 and newer consolidates R_X86_64_JUMP_SLOT # relocation with R_X86_64_GLOB_DAT relocation against the same symbol. libc.so: calloc + RELA R_X86_64_GLOB_DAT libc.so: free + RELA R_X86_64_GLOB_DAT libc.so: malloc + RELA R_X86_64_GLOB_DAT libc.so: memalign + RELA R_X86_64_GLOB_DAT libc.so: realloc + RELA R_X86_64_GLOB_DAT libm.so: matherr # The dynamic loader uses __libc_memalign internally to allocate aligned # TLS storage. The other malloc family of functions are expected to allow # user symbol interposition. ld.so: __libc_memalign + RELA R_X86_64_GLOB_DAT ld.so: malloc + RELA R_X86_64_GLOB_DAT ld.so: calloc + RELA R_X86_64_GLOB_DAT ld.so: realloc + RELA R_X86_64_GLOB_DAT ld.so: free + RELA R_X86_64_GLOB_DAT # The TLS-enabled version of these functions is interposed from libc.so. ld.so: _dl_signal_error + RELA R_X86_64_GLOB_DAT ld.so: _dl_catch_error + RELA R_X86_64_GLOB_DAT