d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

imgact_elf: consistently pass flags from coredump down to helper functions

Browse Source 
Reviewed by:	markj
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D29955
This commit is contained in:
Konstantin Belousov 2021-04-24 14:42:56 +03:00
parent 3b57d80c7a
commit 5bc3c61780
1 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
sys/kern/imgact_elf.c
View File

@ -1471,12 +1471,13 @@ static void cb_put_phdr(vm_map_entry_t, void *);
static void cb_size_segment(vm_map_entry_t, void *);
static int core_write(struct coredump_params *, const void *, size_t, off_t,
enum uio_seg, size_t *);
static void each_dumpable_segment(struct thread *, segment_callback, void *);
static void each_dumpable_segment(struct thread *, segment_callback, void *,
int);
static int __elfN(corehdr)(struct coredump_params *, int, void *, size_t,
struct note_info_list *, size_t);
struct note_info_list *, size_t, int);
static void __elfN(prepare_notes)(struct thread *, struct note_info_list *,
size_t *);
static void __elfN(puthdr)(struct thread *, void *, size_t, int, size_t);
static void __elfN(puthdr)(struct thread *, void *, size_t, int, size_t, int);
static void __elfN(putnote)(struct note_info *, struct sbuf *);
static size_t register_note(struct note_info_list *, int, outfunc_t, void *);
static int sbuf_drain_core_output(void *, const char *, int);
@ -1669,7 +1670,7 @@ __elfN(coredump)(struct thread *td, struct vnode *vp, off_t limit, int flags)
/* Size the program segments. */
seginfo.count = 0;
seginfo.size = 0;
each_dumpable_segment(td, cb_size_segment, &seginfo);
each_dumpable_segment(td, cb_size_segment, &seginfo, flags);
/*
* Collect info about the core file header area.
@ -1722,7 +1723,7 @@ __elfN(coredump)(struct thread *td, struct vnode *vp, off_t limit, int flags)
*/
hdr = malloc(hdrsize, M_TEMP, M_WAITOK);
error = __elfN(corehdr)(&params, seginfo.count, hdr, hdrsize, &notelst,
notesz);
notesz, flags);
/* Write the contents of all of the writable segments. */
if (error == 0) {
@ -1806,7 +1807,8 @@ cb_size_segment(vm_map_entry_t entry, void *closure)
* caller-supplied data.
*/
static void
each_dumpable_segment(struct thread *td, segment_callback func, void *closure)
each_dumpable_segment(struct thread *td, segment_callback func, void *closure,
int flags)
{
struct proc *p = td->td_proc;
vm_map_t map = &p->p_vmspace->vm_map;
@ -1867,7 +1869,8 @@ each_dumpable_segment(struct thread *td, segment_callback func, void *closure)
*/
static int
__elfN(corehdr)(struct coredump_params *p, int numsegs, void *hdr,
size_t hdrsize, struct note_info_list *notelst, size_t notesz)
size_t hdrsize, struct note_info_list *notelst, size_t notesz,
int flags)
{
struct note_info *ninfo;
struct sbuf *sb;
@ -1875,7 +1878,7 @@ __elfN(corehdr)(struct coredump_params *p, int numsegs, void *hdr,
/* Fill in the header. */
bzero(hdr, hdrsize);
__elfN(puthdr)(p->td, hdr, hdrsize, numsegs, notesz);
__elfN(puthdr)(p->td, hdr, hdrsize, numsegs, notesz, flags);
sb = sbuf_new(NULL, NULL, CORE_BUF_SIZE, SBUF_FIXEDLEN);
sbuf_set_drain(sb, sbuf_drain_core_output, p);
@ -1953,7 +1956,7 @@ __elfN(prepare_notes)(struct thread *td, struct note_info_list *list,
static void
__elfN(puthdr)(struct thread *td, void *hdr, size_t hdrsize, int numsegs,
size_t notesz)
size_t notesz, int flags)
{
Elf_Ehdr *ehdr;
Elf_Phdr *phdr;
@ -2032,7 +2035,7 @@ __elfN(puthdr)(struct thread *td, void *hdr, size_t hdrsize, int numsegs,
/* All the writable segments from the program. */
phc.phdr = phdr;
phc.offset = round_page(hdrsize + notesz);
each_dumpable_segment(td, cb_put_phdr, &phc);
each_dumpable_segment(td, cb_put_phdr, &phc, flags);
}
static size_t