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D30918.diff
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D30918.diff

diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -1246,6 +1246,7 @@
map = &vmspace->vm_map;
imgp->proc->p_sysent = sv;
+ imgp->proc->p_elf_brandinfo = brand_info;
maxv = vm_map_max(map) - lim_max(td, RLIMIT_STACK);
if (et_dyn_addr == ET_DYN_ADDR_RAND) {
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -397,6 +397,7 @@
#endif
int error, i, orig_osrel;
uint32_t orig_fctl0;
+ Elf_Brandinfo *orig_brandinfo;
static const char fexecv_proc_title[] = "(fexecv)";
imgp = &image_params;
@@ -427,6 +428,7 @@
oldcred = p->p_ucred;
orig_osrel = p->p_osrel;
orig_fctl0 = p->p_fctl0;
+ orig_brandinfo = p->p_elf_brandinfo;
#ifdef MAC
error = mac_execve_enter(imgp, mac_p);
@@ -499,6 +501,7 @@
imgp->proc->p_osrel = 0;
imgp->proc->p_fctl0 = 0;
+ imgp->proc->p_elf_brandinfo = NULL;
/*
* Implement image setuid/setgid.
@@ -894,6 +897,7 @@
if (error != 0) {
p->p_osrel = orig_osrel;
p->p_fctl0 = orig_fctl0;
+ p->p_elf_brandinfo = orig_brandinfo;
}
if (imgp->firstpage != NULL)
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c
--- a/sys/kern/kern_thread.c
+++ b/sys/kern/kern_thread.c
@@ -100,7 +100,7 @@
"struct proc KBI p_filemon");
_Static_assert(offsetof(struct proc, p_comm) == 0x3d0,
"struct proc KBI p_comm");
-_Static_assert(offsetof(struct proc, p_emuldata) == 0x4b0,
+_Static_assert(offsetof(struct proc, p_emuldata) == 0x4b8,
"struct proc KBI p_emuldata");
#endif
#ifdef __i386__
@@ -120,7 +120,7 @@
"struct proc KBI p_filemon");
_Static_assert(offsetof(struct proc, p_comm) == 0x27c,
"struct proc KBI p_comm");
-_Static_assert(offsetof(struct proc, p_emuldata) == 0x308,
+_Static_assert(offsetof(struct proc, p_emuldata) == 0x30c,
"struct proc KBI p_emuldata");
#endif
diff --git a/sys/sys/imgact_elf.h b/sys/sys/imgact_elf.h
--- a/sys/sys/imgact_elf.h
+++ b/sys/sys/imgact_elf.h
@@ -91,6 +91,7 @@
Elf_Brandnote *brand_note;
boolean_t (*header_supported)(struct image_params *,
int32_t *, uint32_t *);
+ /* High 8 bits of flags is private to the ABI */
#define BI_CAN_EXEC_DYN 0x0001
#define BI_BRAND_NOTE 0x0002 /* May have note.ABI-tag section. */
#define BI_BRAND_NOTE_MANDATORY 0x0004 /* Must have note.ABI-tag section. */
diff --git a/sys/sys/proc.h b/sys/sys/proc.h
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -702,6 +702,8 @@
our subtree. */
uint16_t p_elf_machine; /* (x) ELF machine type */
uint64_t p_elf_flags; /* (x) ELF flags */
+ void *p_elf_brandinfo; /* (x) Elf_Brandinfo, NULL for
+ non ELF binaries. */
/* End area that is copied on creation. */
#define p_endcopy p_xexit

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