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Index: head/libexec/rtld-elf/Makefile
===================================================================
--- head/libexec/rtld-elf/Makefile
+++ head/libexec/rtld-elf/Makefile
@@ -33,7 +33,7 @@
.endif
NO_WCAST_ALIGN= yes
-WARNS?= 4
+WARNS?= 6
INSTALLFLAGS= -C -b
PRECIOUSPROG=
BINDIR= /libexec
@@ -98,7 +98,12 @@
${PROG_FULL}: ${VERSION_MAP}
.include <bsd.symver.mk>
-.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} < 40300
+.if ${COMPILER_TYPE} == "gcc"
+# GCC warns about redeclarations even though they have __exported
+# and are therefore not identical to the ones from the system headers.
+CFLAGS+= -Wno-redundant-decls
+.if ${COMPILER_VERSION} < 40300
# Silence -Wshadow false positives in ancient GCC
CFLAGS+= -Wno-shadow
+.endif
.endif
Index: head/libexec/rtld-elf/libmap.c
===================================================================
--- head/libexec/rtld-elf/libmap.c
+++ head/libexec/rtld-elf/libmap.c
@@ -25,7 +25,7 @@
TAILQ_ENTRY(lm) lm_link;
};
-TAILQ_HEAD(lmp_list, lmp) lmp_head = TAILQ_HEAD_INITIALIZER(lmp_head);
+static TAILQ_HEAD(lmp_list, lmp) lmp_head = TAILQ_HEAD_INITIALIZER(lmp_head);
struct lmp {
char *p;
enum { T_EXACT=0, T_BASENAME, T_DIRECTORY } type;
Index: head/libexec/rtld-elf/malloc.c
===================================================================
--- head/libexec/rtld-elf/malloc.c
+++ head/libexec/rtld-elf/malloc.c
@@ -151,7 +151,6 @@
* must contain at least one page size. The page sizes must be stored in
* increasing order.
*/
-extern size_t *pagesizes;
void *
malloc(size_t nbytes)
@@ -256,8 +255,7 @@
* Allocate more memory to the indicated bucket.
*/
static void
-morecore(bucket)
- int bucket;
+morecore(int bucket)
{
union overhead *op;
int sz; /* size of desired block */
@@ -300,8 +298,7 @@
}
void
-free(cp)
- void *cp;
+free(void * cp)
{
int size;
union overhead *op;
@@ -339,12 +336,10 @@
* is extern so the caller can modify it). If that fails we just copy
* however many bytes was given to realloc() and hope it's not huge.
*/
-int realloc_srchlen = 4; /* 4 should be plenty, -1 =>'s whole list */
+static int realloc_srchlen = 4; /* 4 should be plenty, -1 =>'s whole list */
void *
-realloc(cp, nbytes)
- void *cp;
- size_t nbytes;
+realloc(void *cp, size_t nbytes)
{
u_int onb;
int i;
@@ -413,9 +408,7 @@
* Return bucket number, or -1 if not found.
*/
static int
-findbucket(freep, srchlen)
- union overhead *freep;
- int srchlen;
+findbucket(union overhead *freep, int srchlen)
{
union overhead *p;
int i, j;
@@ -439,8 +432,7 @@
* for each size category, the second showing the number of mallocs -
* frees for each size category.
*/
-mstats(s)
- char *s;
+mstats(char * s)
{
int i, j;
union overhead *p;
@@ -466,8 +458,7 @@
static int
-morepages(n)
-int n;
+morepages(int n)
{
int fd = -1;
int offset;
Index: head/libexec/rtld-elf/map_object.c
===================================================================
--- head/libexec/rtld-elf/map_object.c
+++ head/libexec/rtld-elf/map_object.c
@@ -115,6 +115,7 @@
note_start = 0;
note_end = 0;
note_map = NULL;
+ note_map_len = 0;
segs = alloca(sizeof(segs[0]) * hdr->e_phnum);
stack_flags = RTLD_DEFAULT_STACK_PF_EXEC | PF_R | PF_W;
text_end = 0;
Index: head/libexec/rtld-elf/riscv/reloc.c
===================================================================
--- head/libexec/rtld-elf/riscv/reloc.c
+++ head/libexec/rtld-elf/riscv/reloc.c
@@ -50,8 +50,6 @@
#define RELOC_ALIGNED_P(x) \
(((uintptr_t)(x) & (sizeof(void *) - 1)) == 0)
-void _exit(int);
-
uint64_t
set_gp(Obj_Entry *obj)
{
Index: head/libexec/rtld-elf/rtld.c
===================================================================
--- head/libexec/rtld-elf/rtld.c
+++ head/libexec/rtld-elf/rtld.c
@@ -73,6 +73,14 @@
typedef void (*func_ptr_type)(void);
typedef void * (*path_enum_proc) (const char *path, size_t len, void *arg);
+
+/* Variables that cannot be static: */
+extern struct r_debug r_debug; /* For GDB */
+extern int _thread_autoinit_dummy_decl;
+extern char* __progname;
+extern void (*__cleanup)(void);
+
+
/*
* Function declarations.
*/
@@ -243,7 +251,8 @@
Elf_Addr _rtld_bind(Obj_Entry *obj, Elf_Size reloff);
-int npagesizes, osreldate;
+int npagesizes;
+static int osreldate;
size_t *pagesizes;
static int stack_prot = PROT_READ | PROT_WRITE | RTLD_DEFAULT_STACK_EXEC;
@@ -268,11 +277,11 @@
size_t tls_last_offset; /* Static TLS offset of last module */
size_t tls_last_size; /* Static TLS size of last module */
size_t tls_static_space; /* Static TLS space allocated */
-size_t tls_static_max_align;
+static size_t tls_static_max_align;
Elf_Addr tls_dtv_generation = 1; /* Used to detect when dtv size changes */
int tls_max_index = 1; /* Largest module index allocated */
-bool ld_library_path_rpath = false;
+static bool ld_library_path_rpath = false;
/*
* Globals for path names, and such
Index: head/libexec/rtld-elf/rtld_lock.c
===================================================================
--- head/libexec/rtld-elf/rtld_lock.c
+++ head/libexec/rtld-elf/rtld_lock.c
@@ -184,7 +184,7 @@
}
#define RTLD_LOCK_CNT 3
-struct rtld_lock {
+static struct rtld_lock {
void *handle;
int mask;
} rtld_locks[RTLD_LOCK_CNT];
Index: head/libexec/rtld-elf/rtld_printf.c
===================================================================
--- head/libexec/rtld-elf/rtld_printf.c
+++ head/libexec/rtld-elf/rtld_printf.c
@@ -187,6 +187,7 @@
padc = '0';
goto reswitch;
}
+ /* FALLTHROUGH */
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
for (n = 0;; ++fmt) {
@@ -324,6 +325,7 @@
goto handle_nosign;
case 'X':
upper = 1;
+ /* FALLTHROUGH */
case 'x':
base = 16;
goto handle_nosign;

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