Author: arichardson
Date: Mon Oct 29 21:08:11 2018
New Revision: 339877
URL: https://svnweb.freebsd.org/changeset/base/339877

Log:
  rtld-elf: make it compile with WARNS=3
  
  Reviewed By:  kib
  Approved By:  brooks (mentor)
  Differential Revision: https://reviews.freebsd.org/D17150

Modified:
  head/libexec/rtld-elf/libmap.c
  head/libexec/rtld-elf/libmap.h
  head/libexec/rtld-elf/malloc.c
  head/libexec/rtld-elf/map_object.c
  head/libexec/rtld-elf/rtld.c
  head/libexec/rtld-elf/rtld.h

Modified: head/libexec/rtld-elf/libmap.c
==============================================================================
--- head/libexec/rtld-elf/libmap.c      Mon Oct 29 21:08:02 2018        
(r339876)
+++ head/libexec/rtld-elf/libmap.c      Mon Oct 29 21:08:11 2018        
(r339877)
@@ -199,8 +199,7 @@ lmc_parse(char *lm_p, size_t lm_len)
        char prog[MAXPATHLEN];
        /* allow includedir + full length path */
        char line[MAXPATHLEN + 13];
-       size_t cnt;
-       int i;
+       size_t cnt, i;
 
        cnt = 0;
        p = NULL;
@@ -403,7 +402,7 @@ lm_find(const char *p, const char *f)
  * replacement library, or NULL.
  */
 char *
-lm_findn(const char *p, const char *f, const int n)
+lm_findn(const char *p, const char *f, const size_t n)
 {
        char pathbuf[64], *s, *t;
 

Modified: head/libexec/rtld-elf/libmap.h
==============================================================================
--- head/libexec/rtld-elf/libmap.h      Mon Oct 29 21:08:02 2018        
(r339876)
+++ head/libexec/rtld-elf/libmap.h      Mon Oct 29 21:08:11 2018        
(r339877)
@@ -5,4 +5,4 @@
 int    lm_init (char *);
 void   lm_fini (void);
 char * lm_find (const char *, const char *);
-char * lm_findn (const char *, const char *, const int);
+char * lm_findn (const char *, const char *, const size_t);

Modified: head/libexec/rtld-elf/malloc.c
==============================================================================
--- head/libexec/rtld-elf/malloc.c      Mon Oct 29 21:08:02 2018        
(r339876)
+++ head/libexec/rtld-elf/malloc.c      Mon Oct 29 21:08:11 2018        
(r339877)
@@ -60,15 +60,11 @@ static char *rcsid = "$FreeBSD$";
 #include "rtld_printf.h"
 #include "paths.h"
 
-static void morecore();
-static int findbucket();
-
 /*
  * Pre-allocate mmap'ed pages
  */
 #define        NPOOLPAGES      (128*1024/pagesz)
 static caddr_t         pagepool_start, pagepool_end;
-static int             morepages();
 
 /*
  * The overhead on a block is at least 4 bytes.  When free, this space
@@ -96,6 +92,11 @@ union        overhead {
 #define        ov_size         ovu.ovu_size
 };
 
+static void morecore(int bucket);
+static int morepages(int n);
+static int findbucket(union overhead *freep, int srchlen);
+
+
 #define        MAGIC           0xef            /* magic # on accounting info */
 #define RMAGIC         0x5555          /* magic # on range info */
 
@@ -156,10 +157,10 @@ void *
 malloc(nbytes)
        size_t nbytes;
 {
-       register union overhead *op;
-       register int bucket;
-       register long n;
-       register unsigned amt;
+       union overhead *op;
+       int bucket;
+       size_t n;
+       unsigned amt;
 
        /*
         * First time malloc is called, setup page size and
@@ -259,8 +260,8 @@ static void
 morecore(bucket)
        int bucket;
 {
-       register union overhead *op;
-       register int sz;                /* size of desired block */
+       union overhead *op;
+       int sz;         /* size of desired block */
        int amt;                        /* amount to allocate */
        int nblks;                      /* how many blocks we get */
 
@@ -303,8 +304,8 @@ void
 free(cp)
        void *cp;
 {
-       register int size;
-       register union overhead *op;
+       int size;
+       union overhead *op;
 
        if (cp == NULL)
                return;
@@ -346,8 +347,8 @@ realloc(cp, nbytes)
        void *cp;
        size_t nbytes;
 {
-       register u_int onb;
-       register int i;
+       u_int onb;
+       int i;
        union overhead *op;
        char *res;
        int was_alloced = 0;
@@ -417,8 +418,8 @@ findbucket(freep, srchlen)
        union overhead *freep;
        int srchlen;
 {
-       register union overhead *p;
-       register int i, j;
+       union overhead *p;
+       int i, j;
 
        for (i = 0; i < NBUCKETS; i++) {
                j = 0;
@@ -442,8 +443,8 @@ findbucket(freep, srchlen)
 mstats(s)
        char *s;
 {
-       register int i, j;
-       register union overhead *p;
+       int i, j;
+       union overhead *p;
        int totfree = 0,
        totused = 0;
 

Modified: head/libexec/rtld-elf/map_object.c
==============================================================================
--- head/libexec/rtld-elf/map_object.c  Mon Oct 29 21:08:02 2018        
(r339876)
+++ head/libexec/rtld-elf/map_object.c  Mon Oct 29 21:08:11 2018        
(r339877)
@@ -340,7 +340,7 @@ get_elf_header(int fd, const char *path, const struct 
        Elf_Ehdr *hdr;
 
        /* Make sure file has enough data for the ELF header */
-       if (sbp != NULL && sbp->st_size < sizeof(Elf_Ehdr)) {
+       if (sbp != NULL && sbp->st_size < (off_t)sizeof(Elf_Ehdr)) {
                _rtld_error("%s: invalid file format", path);
                return (NULL);
        }

Modified: head/libexec/rtld-elf/rtld.c
==============================================================================
--- head/libexec/rtld-elf/rtld.c        Mon Oct 29 21:08:02 2018        
(r339876)
+++ head/libexec/rtld-elf/rtld.c        Mon Oct 29 21:08:11 2018        
(r339877)
@@ -70,7 +70,7 @@ __FBSDID("$FreeBSD$");
 #include "notes.h"
 
 /* Types. */
-typedef void (*func_ptr_type)();
+typedef void (*func_ptr_type)(void);
 typedef void * (*path_enum_proc) (const char *path, size_t len, void *arg);
 
 /*
@@ -236,6 +236,13 @@ int _rtld_get_stack_prot(void) __exported;
 int _rtld_is_dlopened(void *) __exported;
 void _rtld_error(const char *, ...) __exported;
 
+/* Only here to fix -Wmissing-prototypes warnings */
+int __getosreldate(void);
+void __pthread_cxa_finalize(struct dl_phdr_info *a);
+func_ptr_type _rtld(Elf_Addr *sp, func_ptr_type *exit_proc, Obj_Entry **objp);
+Elf_Addr _rtld_bind(Obj_Entry *obj, Elf_Size reloff);
+
+
 int npagesizes, osreldate;
 size_t *pagesizes;
 
@@ -262,7 +269,7 @@ size_t tls_last_offset;             /* Static TLS offset of 
last 
 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;
-int tls_dtv_generation = 1;    /* Used to detect when dtv size changes  */
+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;
@@ -4846,7 +4853,7 @@ allocate_tls(Obj_Entry *objs, void *oldtls, size_t tcb
     char *tls;
     Elf_Addr *dtv, *olddtv;
     Elf_Addr segbase, oldsegbase, addr;
-    int i;
+    size_t i;
 
     ralign = tcbalign;
     if (tls_static_max_align > ralign)

Modified: head/libexec/rtld-elf/rtld.h
==============================================================================
--- head/libexec/rtld-elf/rtld.h        Mon Oct 29 21:08:02 2018        
(r339876)
+++ head/libexec/rtld-elf/rtld.h        Mon Oct 29 21:08:11 2018        
(r339877)
@@ -54,7 +54,7 @@ typedef unsigned char bool;
 extern size_t tls_last_offset;
 extern size_t tls_last_size;
 extern size_t tls_static_space;
-extern int tls_dtv_generation;
+extern Elf_Addr tls_dtv_generation;
 extern int tls_max_index;
 
 extern int npagesizes;
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