[src/trunk]: src/lib/libc/gen Support ELF64 on MIPS N32 even though it's ILP32.

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6a221d927eca
branches:  trunk
changeset: 808484:6a221d927eca
user:      matt <matt%NetBSD.org@localhost>
date:      Tue May 19 06:09:15 2015 +0000

description:
Support ELF64 on MIPS N32 even though it's ILP32.
XXX should we do this for other arches that support compat_netbsd32?

diffstat:

 lib/libc/gen/nlist_elf32.c |  16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)

diffs (58 lines):

diff -r 7adddd22e0ff -r 6a221d927eca lib/libc/gen/nlist_elf32.c
--- a/lib/libc/gen/nlist_elf32.c        Tue May 19 05:51:16 2015 +0000
+++ b/lib/libc/gen/nlist_elf32.c        Tue May 19 06:09:15 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: nlist_elf32.c,v 1.35 2012/03/21 02:18:14 christos Exp $ */
+/* $NetBSD: nlist_elf32.c,v 1.36 2015/05/19 06:09:15 matt Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou
@@ -36,7 +36,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: nlist_elf32.c,v 1.35 2012/03/21 02:18:14 christos Exp $");
+__RCSID("$NetBSD: nlist_elf32.c,v 1.36 2015/05/19 06:09:15 matt Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 /* If not included by nlist_elf64.c, ELFSIZE won't be defined. */
@@ -77,13 +77,14 @@
 {
        struct stat st;
        Elf_Ehdr ehdr;
-#if _LP64 || ELFSIZE == 32
+#if defined(_LP64) || ELFSIZE == 32 || defined(__mips_n32)
 #if (ELFSIZE == 32)
        Elf32_Half nshdr;
 #elif (ELFSIZE == 64)
        Elf64_Word nshdr;
 #endif
-       /* Only support 64+32 mode on LP64; no support for 64 mode on ILP32 */
+       /* Only support 64+32 mode on LP64 and MIPS N32 */
+       /* No support for 64 mode on ILP32 */
        Elf_Ehdr *ehdrp;
        Elf_Shdr *shdrp, *symshdrp, *symstrshdrp;
        Elf_Sym *symp;
@@ -137,10 +138,11 @@
        default:
                BAD;
        }
-#if _LP64 || ELFSIZE == 32
+#if defined(_LP64) || ELFSIZE == 32 || defined(__mips_n32)
        symshdrp = symstrshdrp = NULL;
 
-       /* Only support 64+32 mode on LP64; no support for 64 mode on ILP32 */
+       /* Only support 64+32 mode on LP64 and MIPS N32 */
+       /* No support for 64 mode on ILP32 */
        if (S_ISCHR(st.st_mode)) {
                const char *nlistname;
                struct ksyms_gsymbol kg;
@@ -308,7 +310,7 @@
        rv = nent;
 unmap:
        munmap(mappedfile, mappedsize);
-#endif /* _LP64 || ELFSIZE == 32 */
+#endif /* _LP64 || ELFSIZE == 32 || __mips_n32 */
 out:
        return (rv);
 }