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2012-08-27 Wei-cheng Wang <cole945@gmail.com>

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* memattr.c (create_mem_region): Fix memory region overlapping
	checking.

2012-08-27  Wei-cheng Wang  <cole945@gmail.com>
	    Yao Qi <yao@codesourcery.com>
	    Pedro Alves <palves@redhat.com>

	* gdb.base/memattr.exp (delete_memory, region_pass, region_fail):
	New procedures.
	(top level): Add overlap checking tests.
This commit is contained in:
Pedro Alves 2012-08-27 08:58:01 +00:00
parent f4b8daea2a
commit 1591a1e852
4 changed files with 106 additions and 1 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2012-08-27 Wei-cheng Wang <cole945@gmail.com>
* memattr.c (create_mem_region): Fix memory region overlapping
checking.
2012-08-24 Siddhesh Poyarekar <siddhesh@redhat.com>
* h8300-tdep.c (h8300_push_dummy_call): Replace unsafe alloca

2
gdb/memattr.c
View File

@ -207,7 +207,7 @@ create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
if ((lo >= n->lo && (lo < n->hi || n->hi == 0))
|| (hi > n->lo && (hi <= n->hi || n->hi == 0))
|| (lo <= n->lo && (hi >= n->hi || hi == 0)))
|| (lo <= n->lo && ((hi >= n->hi && n->hi != 0) || hi == 0)))
{
printf_unfiltered (_("overlapping memory region\n"));
return;

8
gdb/testsuite/ChangeLog
View File

@ -1,3 +1,11 @@
2012-08-27 Wei-cheng Wang <cole945@gmail.com>
Yao Qi <yao@codesourcery.com>
Pedro Alves <palves@redhat.com>
* gdb.base/memattr.exp (delete_memory, region_pass, region_fail):
New procedures.
(top level): Add overlap checking tests.
2012-08-24 Tom Tromey <tromey@redhat.com>
* lib/gdb.exp (skip_unwinder_tests): Don't leave 'ok' set if

92
gdb/testsuite/gdb.base/memattr.exp
View File

@ -448,3 +448,95 @@ gdb_test_multiple "info mem" "mem 2-4 were deleted" {
gdb_test "delete mem 8" "No memory region number 8." \
"delete non-existant region"
#
# Test overlapping checking
#
proc delete_memory {} {
global gdb_prompt
gdb_test_multiple "delete mem" "delete mem" {
-re "Delete all memory regions.*y or n.*$" {
send_gdb "y\n";
exp_continue
}
-re "$gdb_prompt $" { }
}
}
# Create a region that doesn't overlap (a PASS in the table).
proc region_pass { region } {
gdb_test_no_output "mem $region ro" "$region: no-overlap"
}
# Try to create a region that overlaps (a FAIL in the table).
proc region_fail { region } {
gdb_test "mem $region ro" "overlapping memory region" "$region: overlap"
}
# Test normal case (upper != 0)
#
# lo' hi'
# |--------|
# 10 20 30 40 50 60 70 80 90
# |-----| FAIL
# |--| FAIL
# |--| FAIL
# |--| FAIL
# |-----| FAIL
# |--------| FAIL
# |--------------| FAIL
# |--------------------- FAIL
# |------------------ FAIL
# |--------------- FAIL
# |--| PASS
# |--| PASS
# |--- PASS
delete_memory
gdb_test_no_output "mem 0x30 0x60 ro"
with_test_prefix "0x30 0x60" {
region_fail "0x20 0x40"
region_fail "0x30 0x40"
region_fail "0x40 0x50"
region_fail "0x50 0x60"
region_fail "0x50 0x70"
region_fail "0x30 0x60"
region_fail "0x20 0x70"
region_fail "0x20 0x0"
region_fail "0x30 0x0"
region_fail "0x40 0x0"
region_pass "0x20 0x30"
region_pass "0x60 0x70"
region_pass "0x80 0x0"
}
# Test special case (upper == 0)
#
# lo' hi'
# |---------------
# 00 10 20 30 40 50 60 70 80
# |--------| FAIL
# |-----| FAIL
# |--| FAIL
# |------------------ FAIL
# |--------------- FAIL
# |------------ FAIL
# |--| PASS
# |--| PASS
delete_memory
gdb_test_no_output "mem 0x30 0x0 ro"
with_test_prefix "0x30 0x0" {
region_fail "0x20 0x50"
region_fail "0x30 0x50"
region_fail "0x40 0x50"
region_fail "0x20 0x0"
region_fail "0x30 0x0"
region_fail "0x40 0x0"
region_pass "0x20 0x30"
region_pass "0x00 0x10"
}