aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2010-05-26 14:10:15 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-05-26 14:10:15 +0000
commitc8ce57109cba194742fc1d0b6f953cf535571750 (patch)
treedd34e730e8b738fdbdeb12530886b8185358a2a3
parentf79e2745b210313ede58d9509e718f0e2506e045 (diff)
downloadgdb-c8ce57109cba194742fc1d0b6f953cf535571750.zip
gdb-c8ce57109cba194742fc1d0b6f953cf535571750.tar.gz
gdb-c8ce57109cba194742fc1d0b6f953cf535571750.tar.bz2
Warn if value of SEGMENT_START isn't multiple of maximum page size.
ld/ 2010-05-26 H.J. Lu <hongjiu.lu@intel.com> PR ld/11628 * ldexp.c (fold_binary): Warn if value of SEGMENT_START isn't multiple of maximum page size. ld/testsuite/ 2010-05-26 H.J. Lu <hongjiu.lu@intel.com> PR ld/11628 * ld-elf/textaddr3.d: New. * ld-elf/textaddr4.d: Likewise. * ld-elf/textaddr5.d: Likewise. * ld-elf/textaddr6.d: Likewise. * ld-elf/textaddr7.d: Likewise.
-rw-r--r--ld/ChangeLog6
-rw-r--r--ld/ldexp.c5
-rw-r--r--ld/testsuite/ChangeLog9
-rw-r--r--ld/testsuite/ld-elf/textaddr3.d4
-rw-r--r--ld/testsuite/ld-elf/textaddr4.d8
-rw-r--r--ld/testsuite/ld-elf/textaddr5.d4
-rw-r--r--ld/testsuite/ld-elf/textaddr6.d8
-rw-r--r--ld/testsuite/ld-elf/textaddr7.d8
8 files changed, 52 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index ffa59e7..d6324e0 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2010-05-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/11628
+ * ldexp.c (fold_binary): Warn if value of SEGMENT_START isn't
+ multiple of maximum page size.
+
2010-05-25 Nick Clifton <nickc@redhat.com>
* Makefile.am: Fix typo.
diff --git a/ld/ldexp.c b/ld/ldexp.c
index 34d9eab..c0ca818 100644
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -299,6 +299,11 @@ fold_binary (etree_type *tree)
for (seg = segments; seg; seg = seg->next)
if (strcmp (seg->name, segment_name) == 0)
{
+ if (!seg->used
+ && config.magic_demand_paged
+ && (seg->value % config.maxpagesize) != 0)
+ einfo (_("%P: warning: address of `%s' isn't multiple of maximum page size\n"),
+ segment_name);
seg->used = TRUE;
expld.result.value = seg->value;
expld.result.str = NULL;
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 4a3989e..a59ad4a 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2010-05-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/11628
+ * ld-elf/textaddr3.d: New.
+ * ld-elf/textaddr4.d: Likewise.
+ * ld-elf/textaddr5.d: Likewise.
+ * ld-elf/textaddr6.d: Likewise.
+ * ld-elf/textaddr7.d: Likewise.
+
2010-05-25 Daniel Jacobowitz <dan@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com>
diff --git a/ld/testsuite/ld-elf/textaddr3.d b/ld/testsuite/ld-elf/textaddr3.d
new file mode 100644
index 0000000..d533e24
--- /dev/null
+++ b/ld/testsuite/ld-elf/textaddr3.d
@@ -0,0 +1,4 @@
+#source: maxpage1.s
+#ld: -Ttext-segment 0x10000 -z max-page-size=0x200000
+#target: *-*-linux-gnu
+#warning: .*address of `text-segment' isn't multiple of maximum page size
diff --git a/ld/testsuite/ld-elf/textaddr4.d b/ld/testsuite/ld-elf/textaddr4.d
new file mode 100644
index 0000000..bfd7630
--- /dev/null
+++ b/ld/testsuite/ld-elf/textaddr4.d
@@ -0,0 +1,8 @@
+#source: maxpage1.s
+#ld: -z max-page-size=0x10000 -Ttext-segment 0x10000
+#readelf: -l --wide
+#target: *-*-linux-gnu
+
+#...
+ LOAD +0x0+ 0x0*10000 0x0*10000 0x0*[0-9a-f][0-9a-f][0-9a-f] 0x0*[0-9a-f][0-9a-f][0-9a-f] R E 0x10000
+#pass
diff --git a/ld/testsuite/ld-elf/textaddr5.d b/ld/testsuite/ld-elf/textaddr5.d
new file mode 100644
index 0000000..5fe41d0
--- /dev/null
+++ b/ld/testsuite/ld-elf/textaddr5.d
@@ -0,0 +1,4 @@
+#source: maxpage1.s
+#ld: -shared -z max-page-size=0x200000 -Ttext-segment 0x10000
+#target: *-*-linux-gnu
+#warning: .*address of `text-segment' isn't multiple of maximum page size
diff --git a/ld/testsuite/ld-elf/textaddr6.d b/ld/testsuite/ld-elf/textaddr6.d
new file mode 100644
index 0000000..b3b9f84
--- /dev/null
+++ b/ld/testsuite/ld-elf/textaddr6.d
@@ -0,0 +1,8 @@
+#source: maxpage1.s
+#ld: -shared -z max-page-size=0x10000 -Ttext-segment 0x10000
+#readelf: -l --wide
+#target: *-*-linux-gnu
+
+#...
+ LOAD +0x0+ 0x0*10000 0x0*10000 0x0*[0-9a-f][0-9a-f][0-9a-f] 0x0*[0-9a-f][0-9a-f][0-9a-f] R E 0x10000
+#pass
diff --git a/ld/testsuite/ld-elf/textaddr7.d b/ld/testsuite/ld-elf/textaddr7.d
new file mode 100644
index 0000000..54a571f
--- /dev/null
+++ b/ld/testsuite/ld-elf/textaddr7.d
@@ -0,0 +1,8 @@
+#source: maxpage1.s
+#ld: -n -z max-page-size=0x200000 -Ttext-segment 0x10000
+#readelf: -l --wide
+#target: *-*-linux-gnu
+
+#...
+ LOAD .*
+#pass