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9dad716d4d
Wean mtrace away from the malloc hooks and move them into the debug DSO. Split the API away from the implementation so that we can add the API to libc.so as well as libc_malloc_debug.so, with the libc implementations being empty. Update localplt data since memalign no longer has any callers after this change. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
# See scripts/check-localplt.awk for how this file is processed.
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# PLT use is required for the malloc family and for matherr because
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# users can define their own functions and have library internals call them.
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# Linker in binutils 2.26 and newer consolidates R_X86_64_JUMP_SLOT
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# relocation with R_386_GLOB_DAT relocation against the same symbol.
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libc.so: calloc + REL R_386_GLOB_DAT
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libc.so: free + REL R_386_GLOB_DAT
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libc.so: malloc + REL R_386_GLOB_DAT
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libc.so: realloc + REL R_386_GLOB_DAT
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libm.so: matherr + REL R_386_GLOB_DAT
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# The TLS-enabled version of these functions is interposed from libc.so.
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ld.so: _dl_signal_error + REL R_386_GLOB_DAT
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ld.so: _dl_catch_error + REL R_386_GLOB_DAT
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ld.so: _dl_signal_exception + REL R_386_GLOB_DAT
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ld.so: _dl_catch_exception + REL R_386_GLOB_DAT
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# The dynamic linker has its own versions of basic functions for initial loading
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# of shared libraries. These need to be overriden by libc once loaded.
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ld.so: __open ?
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ld.so: __open64 ?
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ld.so: __open_nocancel
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ld.so: __close ?
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ld.so: __close_nocancel
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ld.so: __read ?
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ld.so: __read_nocancel
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ld.so: __pread64
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ld.so: __pread64_nocancel
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ld.so: __write ?
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ld.so: __write_nocancel
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ld.so: __writev
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ld.so: __libc_lseek64
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ld.so: __mmap
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ld.so: __fstat64
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ld.so: __stat64
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ld.so: __access
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ld.so: __access_noerrno
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ld.so: __getpid
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ld.so: __getcwd
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ld.so: __sbrk
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ld.so: _exit ?
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ld.so: abort
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ld.so: _hurd_intr_rpc_mach_msg
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ld.so: __errno_location
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ld.so: _dl_init_first
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#
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# These should ideally be avoided, but is currently difficult
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libc.so: siglongjmp ?
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libc.so: longjmp ?
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# This is from lseek.c
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libc.so: __libc_lseek64 ?
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# This is through cleanup_region_start from vfprintf.c
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libc.so: _IO_funlockfile ?
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