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authorDJ Delorie <dj@delorie.com>2005-07-03 19:16:20 +0000
committerDJ Delorie <dj@delorie.com>2005-07-03 19:16:20 +0000
commit6d2294c3f702da365b830461db7561bd30cf217c (patch)
tree7508fea0f77213b498c6d4dcca6dcb135bada7ab /libiberty
parent42f8003b689b0908fb57a78672c0364072e0c587 (diff)
downloadgdb-6d2294c3f702da365b830461db7561bd30cf217c.tar.gz
merge from gcc
Diffstat (limited to 'libiberty')
-rw-r--r--libiberty/ChangeLog12
-rw-r--r--libiberty/cp-demangle.c6
-rw-r--r--libiberty/md5.c17
-rw-r--r--libiberty/testsuite/demangle-expected6
4 files changed, 40 insertions, 1 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 2522b8270e6..ba575549ada 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,15 @@
+2005-07-03 Steve Ellcey <sje@cup.hp.com>
+
+ PR other/13906
+ * md5.c (md5_process_bytes): Check alignment.
+
+2005-07-01 Ian Lance Taylor <ian@airs.com>
+
+ PR other/22268
+ * cp-demangle.c (d_expr_primary): Don't run off the end of the
+ string while looking for the end of a literal value.
+ * testsuite/demangle-expected: Add test case.
+
2005-06-30 Daniel Berlin <dberlin@dberlin.org>
* hashtab.c (EMPTY_ENTRY): Moved and renamed.
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 61744390725..8f1cfb17f87 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -2337,7 +2337,11 @@ d_expr_primary (struct d_info *di)
}
s = d_str (di);
while (d_peek_char (di) != 'E')
- d_advance (di, 1);
+ {
+ if (d_peek_char (di) == '\0')
+ return NULL;
+ d_advance (di, 1);
+ }
ret = d_make_comp (di, t, type, d_make_name (di, s, d_str (di) - s));
}
if (d_next_char (di) != 'E')
diff --git a/libiberty/md5.c b/libiberty/md5.c
index c03a74dffa2..83e0beb339f 100644
--- a/libiberty/md5.c
+++ b/libiberty/md5.c
@@ -223,6 +223,23 @@ md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
/* Process available complete blocks. */
if (len > 64)
{
+#if !_STRING_ARCH_unaligned
+/* To check alignment gcc has an appropriate operator. Other
+ compilers don't. */
+# if __GNUC__ >= 2
+# define UNALIGNED_P(p) (((md5_uintptr) p) % __alignof__ (md5_uint32) != 0)
+# else
+# define UNALIGNED_P(p) (((md5_uintptr) p) % sizeof (md5_uint32) != 0)
+# endif
+ if (UNALIGNED_P (buffer))
+ while (len > 64)
+ {
+ md5_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
+ buffer = (const char *) buffer + 64;
+ len -= 64;
+ }
+ else
+#endif
md5_process_block (buffer, len & ~63, ctx);
buffer = (const void *) ((const char *) buffer + (len & ~63));
len &= 63;
diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
index f8e402d01bd..4526773a780 100644
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@@ -3704,6 +3704,12 @@ foo<int (*) [3]>
_ZN13PatternDriver23StringScalarDeleteValueC1ERKNS_25ConflateStringScalarValueERKNS_25AbstractStringScalarValueERKNS_12TemplateEnumINS_12pdcomplementELZNS_16complement_namesEELZNS_14COMPLEMENTENUMEEEE
_ZN13PatternDriver23StringScalarDeleteValueC1ERKNS_25ConflateStringScalarValueERKNS_25AbstractStringScalarValueERKNS_12TemplateEnumINS_12pdcomplementELZNS_16complement_namesEELZNS_14COMPLEMENTENUMEEEE
PatternDriver::StringScalarDeleteValue::StringScalarDeleteValue
+#
+# This used to cause the demangler to walk into undefined memory--PR 22268
+--format=gnu-v3 --no-params
+ALsetchannels
+ALsetchannels
+ALsetchannels
# Test GNU V3 constructor and destructor identification.
# 0 means it is not a constructor/destructor.
# Other integers correspond to enum gnu_v3_{c,d}tor_kinds in demangle.h.