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charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 6a69d28ee07534c8c0eac328dbbc2529dfceb7fd Auto-Submitted: auto-generated Date: Sat, 05 Sep 2026 22:00:37 +0000 Message-Id: <6a9c9105.1910d.4fc96c88@gitrepo.freebsd.org> The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=6a69d28ee07534c8c0eac328dbbc2529dfceb7fd commit 6a69d28ee07534c8c0eac328dbbc2529dfceb7fd Author: Konstantin Belousov AuthorDate: 2026-08-26 11:53:20 +0000 Commit: Konstantin Belousov CommitDate: 2026-09-05 22:00:09 +0000 rtld: allow arches to initialize/finalize objects Discussed with: jrtc27 Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D59269 --- libexec/rtld-elf/aarch64/rtld_machdep.h | 3 +++ libexec/rtld-elf/amd64/rtld_machdep.h | 3 +++ libexec/rtld-elf/arm/rtld_machdep.h | 3 +++ libexec/rtld-elf/i386/rtld_machdep.h | 3 +++ libexec/rtld-elf/map_object.c | 2 ++ libexec/rtld-elf/powerpc/rtld_machdep.h | 3 +++ libexec/rtld-elf/powerpc64/rtld_machdep.h | 3 +++ libexec/rtld-elf/riscv/rtld_machdep.h | 3 +++ 8 files changed, 23 insertions(+) diff --git a/libexec/rtld-elf/aarch64/rtld_machdep.h b/libexec/rtld-elf/aarch64/rtld_machdep.h index 4b5ad523ee87..4edf374617af 100644 --- a/libexec/rtld-elf/aarch64/rtld_machdep.h +++ b/libexec/rtld-elf/aarch64/rtld_machdep.h @@ -41,6 +41,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY \ bool variant_pcs : 1; /* Object has a variant pcs function */ +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + /* Return the address of the .dynamic section in the dynamic linker. */ #define rtld_dynamic(obj) \ ({ \ diff --git a/libexec/rtld-elf/amd64/rtld_machdep.h b/libexec/rtld-elf/amd64/rtld_machdep.h index 2ee63d566bed..53a3cd29f967 100644 --- a/libexec/rtld-elf/amd64/rtld_machdep.h +++ b/libexec/rtld-elf/amd64/rtld_machdep.h @@ -37,6 +37,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + /* Return the address of the .dynamic section in the dynamic linker. */ Elf_Dyn *rtld_dynamic_addr(void); #define rtld_dynamic(obj) rtld_dynamic_addr() diff --git a/libexec/rtld-elf/arm/rtld_machdep.h b/libexec/rtld-elf/arm/rtld_machdep.h index 88fa18a0c07a..c46b75fca078 100644 --- a/libexec/rtld-elf/arm/rtld_machdep.h +++ b/libexec/rtld-elf/arm/rtld_machdep.h @@ -38,6 +38,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + /* Return the address of the .dynamic section in the dynamic linker. */ #define rtld_dynamic(obj) (&_DYNAMIC) diff --git a/libexec/rtld-elf/i386/rtld_machdep.h b/libexec/rtld-elf/i386/rtld_machdep.h index 079991f913d6..7eb7b1cdfb77 100644 --- a/libexec/rtld-elf/i386/rtld_machdep.h +++ b/libexec/rtld-elf/i386/rtld_machdep.h @@ -37,6 +37,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + /* Return the address of the .dynamic section in the dynamic linker. */ #define rtld_dynamic(obj) \ ((const Elf_Dyn *)((obj)->relocbase + (Elf_Addr)&_DYNAMIC)) diff --git a/libexec/rtld-elf/map_object.c b/libexec/rtld-elf/map_object.c index 81ed62d99a18..6852daf13d68 100644 --- a/libexec/rtld-elf/map_object.c +++ b/libexec/rtld-elf/map_object.c @@ -482,6 +482,7 @@ obj_free(Obj_Entry *obj) free(obj->path); if (obj->phdr_alloc) free(__DECONST(void *, obj->phdr)); + MD_OBJ_ENTRY_FINI(obj); free(obj); } @@ -494,6 +495,7 @@ obj_new(void) STAILQ_INIT(&obj->dldags); STAILQ_INIT(&obj->dagmembers); STAILQ_INIT(&obj->names); + MD_OBJ_ENTRY_INIT(obj); return (obj); } diff --git a/libexec/rtld-elf/powerpc/rtld_machdep.h b/libexec/rtld-elf/powerpc/rtld_machdep.h index de6a894ac1f5..69a833575a7c 100644 --- a/libexec/rtld-elf/powerpc/rtld_machdep.h +++ b/libexec/rtld-elf/powerpc/rtld_machdep.h @@ -38,6 +38,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY \ Elf_Addr *gotptr; /* GOT pointer (secure-plt only) */ +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + /* Return the address of the .dynamic section in the dynamic linker. */ #define rtld_dynamic(obj) (&_DYNAMIC) diff --git a/libexec/rtld-elf/powerpc64/rtld_machdep.h b/libexec/rtld-elf/powerpc64/rtld_machdep.h index 06eb6d884101..76091895bb5d 100644 --- a/libexec/rtld-elf/powerpc64/rtld_machdep.h +++ b/libexec/rtld-elf/powerpc64/rtld_machdep.h @@ -38,6 +38,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY \ Elf_Addr glink; /* GLINK PLT call stub section */ +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + /* Return the address of the .dynamic section in the dynamic linker. */ #define rtld_dynamic(obj) (&_DYNAMIC) diff --git a/libexec/rtld-elf/riscv/rtld_machdep.h b/libexec/rtld-elf/riscv/rtld_machdep.h index 1f4fe2e928fe..acb6fa4835db 100644 --- a/libexec/rtld-elf/riscv/rtld_machdep.h +++ b/libexec/rtld-elf/riscv/rtld_machdep.h @@ -44,6 +44,9 @@ struct Struct_Obj_Entry; #define MD_OBJ_ENTRY +#define MD_OBJ_ENTRY_INIT(obj) +#define MD_OBJ_ENTRY_FINI(obj) + uint64_t set_gp(struct Struct_Obj_Entry *obj); /* Return the address of the .dynamic section in the dynamic linker. */