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authorAndrew Turner <andrew@FreeBSD.org>2024-05-07 16:14:47 +0000
committerAndrew Turner <andrew@FreeBSD.org>2024-05-17 09:37:12 +0000
commitdd4155bec744acf2ebfd037f7719c4aed9283a73 (patch)
treeb47c5915221df71d8c6c5c0f19c1aacd8b78e4b2 /libexec
parent06db20ffeca9898e5802d63f3b06caaa37c3a4ed (diff)
downloadsrc-dd4155bec744acf2ebfd037f7719c4aed9283a73.tar.gz
src-dd4155bec744acf2ebfd037f7719c4aed9283a73.zip
rtld: Add arch_digest_dynamic
This will be used to handle the DT_AARCH64_VARIANT_PCS tag. Reviewed by: kib Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D45117
Diffstat (limited to 'libexec')
-rw-r--r--libexec/rtld-elf/aarch64/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/amd64/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/arm/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/i386/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/powerpc/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/powerpc64/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/riscv/rtld_machdep.h3
-rw-r--r--libexec/rtld-elf/rtld.c3
8 files changed, 24 insertions, 0 deletions
diff --git a/libexec/rtld-elf/aarch64/rtld_machdep.h b/libexec/rtld-elf/aarch64/rtld_machdep.h
index a3031fe7e539..347ef5f381fe 100644
--- a/libexec/rtld-elf/aarch64/rtld_machdep.h
+++ b/libexec/rtld-elf/aarch64/rtld_machdep.h
@@ -47,6 +47,9 @@ struct Struct_Obj_Entry;
(const Elf_Dyn *)_dynamic_addr; \
})
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
bool arch_digest_note(struct Struct_Obj_Entry *obj, const Elf_Note *note);
Elf_Addr reloc_jmpslot(Elf_Addr *where, Elf_Addr target,
diff --git a/libexec/rtld-elf/amd64/rtld_machdep.h b/libexec/rtld-elf/amd64/rtld_machdep.h
index 558c0a73123f..1797d13c847d 100644
--- a/libexec/rtld-elf/amd64/rtld_machdep.h
+++ b/libexec/rtld-elf/amd64/rtld_machdep.h
@@ -41,6 +41,9 @@ struct Struct_Obj_Entry;
Elf_Dyn *rtld_dynamic_addr(void);
#define rtld_dynamic(obj) rtld_dynamic_addr()
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
/* No architecture specific notes */
#define arch_digest_note(obj, note) false
diff --git a/libexec/rtld-elf/arm/rtld_machdep.h b/libexec/rtld-elf/arm/rtld_machdep.h
index a492ac0eab77..f59b30028a3b 100644
--- a/libexec/rtld-elf/arm/rtld_machdep.h
+++ b/libexec/rtld-elf/arm/rtld_machdep.h
@@ -41,6 +41,9 @@ struct Struct_Obj_Entry;
/* Return the address of the .dynamic section in the dynamic linker. */
#define rtld_dynamic(obj) (&_DYNAMIC)
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
/* No architecture specific notes */
#define arch_digest_note(obj, note) false
diff --git a/libexec/rtld-elf/i386/rtld_machdep.h b/libexec/rtld-elf/i386/rtld_machdep.h
index f39300d16ddb..581f1dfb002d 100644
--- a/libexec/rtld-elf/i386/rtld_machdep.h
+++ b/libexec/rtld-elf/i386/rtld_machdep.h
@@ -41,6 +41,9 @@ struct Struct_Obj_Entry;
#define rtld_dynamic(obj) \
((const Elf_Dyn *)((obj)->relocbase + (Elf_Addr)&_DYNAMIC))
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
/* No architecture specific notes */
#define arch_digest_note(obj, note) false
diff --git a/libexec/rtld-elf/powerpc/rtld_machdep.h b/libexec/rtld-elf/powerpc/rtld_machdep.h
index 03ef11f4034b..69fc52369201 100644
--- a/libexec/rtld-elf/powerpc/rtld_machdep.h
+++ b/libexec/rtld-elf/powerpc/rtld_machdep.h
@@ -40,6 +40,9 @@ struct Struct_Obj_Entry;
/* Return the address of the .dynamic section in the dynamic linker. */
#define rtld_dynamic(obj) (&_DYNAMIC)
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
/* No architecture specific notes */
#define arch_digest_note(obj, note) false
diff --git a/libexec/rtld-elf/powerpc64/rtld_machdep.h b/libexec/rtld-elf/powerpc64/rtld_machdep.h
index f36be944e80a..d1dab63d3779 100644
--- a/libexec/rtld-elf/powerpc64/rtld_machdep.h
+++ b/libexec/rtld-elf/powerpc64/rtld_machdep.h
@@ -40,6 +40,9 @@ struct Struct_Obj_Entry;
/* Return the address of the .dynamic section in the dynamic linker. */
#define rtld_dynamic(obj) (&_DYNAMIC)
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
/* No architecture specific notes */
#define arch_digest_note(obj, note) false
diff --git a/libexec/rtld-elf/riscv/rtld_machdep.h b/libexec/rtld-elf/riscv/rtld_machdep.h
index 2244a424f8c1..fb5f5643efc6 100644
--- a/libexec/rtld-elf/riscv/rtld_machdep.h
+++ b/libexec/rtld-elf/riscv/rtld_machdep.h
@@ -54,6 +54,9 @@ uint64_t set_gp(struct Struct_Obj_Entry *obj);
(const Elf_Dyn *)_dynamic_addr; \
})
+/* No arch-specific dynamic tags */
+#define arch_digest_dynamic(obj, dynp) false
+
/* No architecture specific notes */
#define arch_digest_note(obj, note) false
diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c
index 5743bbdd6f61..20c340ed15a3 100644
--- a/libexec/rtld-elf/rtld.c
+++ b/libexec/rtld-elf/rtld.c
@@ -1554,6 +1554,9 @@ digest_dynamic1(Obj_Entry *obj, int early, const Elf_Dyn **dyn_rpath,
break;
default:
+ if (arch_digest_dynamic(obj, dynp))
+ break;
+
if (!early) {
dbg("Ignoring d_tag %ld = %#lx", (long)dynp->d_tag,
(long)dynp->d_tag);