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Merged
trufae merged 3 commits into from
Aug 14, 2026
Merged

Plt/arm64/ppc/mv #26467

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173e096
Fix ELF-arm64 plt entry stride for pac-plt and bti-plt layouts ##bin
radare Aug 14, 2026
126ccbd
Fix ELF-ppc32 import addresses for fPIC secure-plt call thunks ##bin
radare Aug 14, 2026
eaec500
Move ELF PLT import resolution into plt.c ##bin
radare Aug 14, 2026
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442 changes: 19 additions & 423 deletions libr/bin/format/elf/elf.c
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13 changes: 13 additions & 0 deletions libr/bin/format/elf/elf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,7 @@ typedef struct Elf_(dynamic_info) {
Elf_(Addr) dt_ppc64_glink; /* PPC64 ELFv1: DT_PPC64_GLINK lazy PLT resolver anchor */
Elf_(Addr) dt_crel; // Address of Crel relocs
bool dt_bind_now;
bool dt_aarch64_pac_plt; /* AArch64 -z pac-plt: 24 byte plt entries */
Elf_(Xword) dt_flags;
Elf_(Xword) dt_flags_1;
Elf_(Xword) dt_rpath;
Expand Down Expand Up @@ -183,6 +184,10 @@ struct Elf_(obj_t) {
RList *inits;
HtUU *rel_cache;
HtUU *ppc64_plt_stubs; // ppc64: slot_vaddr -> stub_vaddr (lazy, NULL until first use)
ut64 arm64_plt_esize; // aarch64: measured plt entry stride, 0 until probed
ut64 *ppc32_thunks; // ppc32: plt slot index -> call thunk vaddr, lazy
ut64 ppc32_nthunks;
bool ppc32_thunks_done;
ut32 g_reloc_num;
bool relocs_loaded;
RVecRBinElfReloc g_relocs;
Expand Down Expand Up @@ -257,5 +262,13 @@ bool Elf_(has_nobtcfi)(ELFOBJ *eo);
ut8 *Elf_(grab_regstate)(struct Elf_(obj_t) *bin, int *len);
RList *Elf_(get_maps)(ELFOBJ *bin);
ut64 Elf_(ppc64_get_plt_stub_for_slot)(ELFOBJ *eo, ut64 slot_vaddr);
/* plt.c */
ut64 Elf_(plt_get_import_addr)(ELFOBJ *eo, int sym);
int Elf_(plt_ppc64_abi)(ELFOBJ *eo);
ut64 Elf_(plt_arm64_entry)(ELFOBJ *eo, ut64 plt_addr, ut64 pos);
ut64 Elf_(plt_ppc32_thunk)(ELFOBJ *eo, ut64 slot_vaddr);
/* elf.c helpers exported for plt.c */
RBinElfSection *Elf_(plt_section_by_name)(ELFOBJ *eo, const char *name);
ut64 Elf_(plt_num_relocs)(ELFOBJ *eo);
R_API RBinSection *r_bin_section_clone(RBinSection *s);
#endif
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