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D17438.id48803.diff
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Index: contrib/elftoolchain/readelf/readelf.c
===================================================================
--- contrib/elftoolchain/readelf/readelf.c
+++ contrib/elftoolchain/readelf/readelf.c
@@ -1123,6 +1123,7 @@
case 1: return "NT_FREEBSD_ABI_TAG";
case 2: return "NT_FREEBSD_NOINIT_TAG";
case 3: return "NT_FREEBSD_ARCH_TAG";
+ case 4: return "NT_FREEBSD_FEATURE_CTL";
default: return (note_type_unknown(nt));
}
}
Index: lib/csu/common/crtbrand.c
===================================================================
--- lib/csu/common/crtbrand.c
+++ lib/csu/common/crtbrand.c
@@ -67,3 +67,18 @@
.name = NOTE_FREEBSD_VENDOR,
.desc = __FreeBSD_version
};
+
+static const struct {
+ int32_t namesz;
+ int32_t descsz;
+ int32_t type;
+ char name[sizeof(NOTE_FREEBSD_VENDOR)];
+ uint32_t desc[1];
+} crt_feature_ctl __attribute__ ((section (NOTE_SECTION),
+ aligned(4))) __used = {
+ .namesz = sizeof(NOTE_FREEBSD_VENDOR),
+ .descsz = sizeof(uint32_t),
+ .type = NT_FREEBSD_FEATURE_CTL,
+ .name = NOTE_FREEBSD_VENDOR,
+ .desc = { 0 }
+};
Index: sys/sys/elf_common.h
===================================================================
--- sys/sys/elf_common.h
+++ sys/sys/elf_common.h
@@ -759,6 +759,7 @@
#define NT_FREEBSD_ABI_TAG 1
#define NT_FREEBSD_NOINIT_TAG 2
#define NT_FREEBSD_ARCH_TAG 3
+#define NT_FREEBSD_FEATURE_CTL 4
/* Values for n_type. Used in core files. */
#define NT_PRSTATUS 1 /* Process status. */
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D17438: Add NT_FREEBSD_FEATURE_CTL ELF note to csu
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