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[src/trunk]: src/sys/lib/libsa Support loading read-only data sections. ARM64...
details: https://anonhg.NetBSD.org/src/rev/8987a482266c
branches: trunk
changeset: 992303:8987a482266c
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Thu Aug 23 17:35:42 2018 +0000
description:
Support loading read-only data sections. ARM64 ELF kernels need this. ok skrll@
diffstat:
sys/lib/libsa/loadfile_elf32.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diffs (27 lines):
diff -r 2edf1a488e23 -r 8987a482266c sys/lib/libsa/loadfile_elf32.c
--- a/sys/lib/libsa/loadfile_elf32.c Thu Aug 23 16:25:37 2018 +0000
+++ b/sys/lib/libsa/loadfile_elf32.c Thu Aug 23 17:35:42 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: loadfile_elf32.c,v 1.52 2017/12/21 14:28:39 maxv Exp $ */
+/* $NetBSD: loadfile_elf32.c,v 1.53 2018/08/23 17:35:42 jmcneill Exp $ */
/*
* Copyright (c) 1997, 2008, 2017 The NetBSD Foundation, Inc.
@@ -256,7 +256,7 @@
#endif /* _STANDALONE */
#define IS_TEXT(p) (p.p_flags & PF_X)
-#define IS_DATA(p) (p.p_flags & PF_W)
+#define IS_DATA(p) ((p.p_flags & PF_X) == 0)
#define IS_BSS(p) (p.p_filesz < p.p_memsz)
#ifndef MD_LOADSEG /* Allow processor ABI specific segment loads */
@@ -708,7 +708,7 @@
goto loadseg;
if (phdr[i].p_type != PT_LOAD ||
- (phdr[i].p_flags & (PF_W|PF_X)) == 0)
+ (phdr[i].p_flags & (PF_W|PF_R|PF_X)) == 0)
continue;
if ((IS_TEXT(phdr[i]) && (flags & LOAD_TEXT)) ||
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