Differential D19072 Diff 53726 lib/libc/gen/elf_utils.c

Changeset View

Standalone View

lib/libc/gen/elf_utils.c

	Show All 28 Lines
	*/			*/

	#include <sys/types.h>			#include <sys/types.h>
	#include <sys/mman.h>			#include <sys/mman.h>
	#include <sys/resource.h>			#include <sys/resource.h>
	#include <sys/sysctl.h>			#include <sys/sysctl.h>
	#include <link.h>			#include <link.h>
	#include <stddef.h>			#include <stddef.h>
				#include <string.h>
	#include "libc_private.h"			#include "libc_private.h"
				#include "static_tls.h"

	int __elf_phdr_match_addr(struct dl_phdr_info , void );			int __elf_phdr_match_addr(struct dl_phdr_info , void );
	void __pthread_map_stacks_exec(void);			void __pthread_map_stacks_exec(void);
				void __pthread_distribute_static_tls(size_t, void *, size_t, size_t);

	int			int
	__elf_phdr_match_addr(struct dl_phdr_info phdr_info, void addr)			__elf_phdr_match_addr(struct dl_phdr_info phdr_info, void addr)
	{			{
	const Elf_Phdr *ph;			const Elf_Phdr *ph;
	int i;			int i;

	for (i = 0; i < phdr_info->dlpi_phnum; i++) {			for (i = 0; i < phdr_info->dlpi_phnum; i++) {
	▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines
	}			}

	#pragma weak __pthread_map_stacks_exec			#pragma weak __pthread_map_stacks_exec
	void			void
	__pthread_map_stacks_exec(void)			__pthread_map_stacks_exec(void)
	{			{

	((void (*)(void))__libc_interposing[INTERPOS_map_stacks_exec])();			((void (*)(void))__libc_interposing[INTERPOS_map_stacks_exec])();
				}

				void
				__libc_distribute_static_tls(size_t offset, void *src, size_t len,
				size_t total_len)
				{
				uintptr_t tlsbase;

				tlsbase = _libc_get_static_tls_base(offset);
				memcpy((void *)tlsbase, src, len);
				memset((char *)tlsbase + len, 0, total_len - len);
				}

				#pragma weak __pthread_distribute_static_tls
				void
				__pthread_distribute_static_tls(size_t offset, void *src, size_t len,
				size_t total_len)
				{

				((void ()(size_t, void , size_t, size_t))__libc_interposing[
				INTERPOS_distribute_static_tls])(offset, src, len, total_len);
	}			}