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authorUlrich Drepper <drepper@redhat.com>2001-07-27 08:29:06 +0000
committerUlrich Drepper <drepper@redhat.com>2001-07-27 08:29:06 +0000
commit129d706d77587e4d6627cc1ebef9be0f7cbc65f0 (patch)
tree219bd622277bf2262d16cd4fd0400bd1ef7aea7e
parent6a904bbfc610f98ee2f467844434117a7bca5982 (diff)
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Update.
* libio/fileops.c (_IO_new_file_fopen): Correctly locate ccs= substring. Don't handle ccs= if no descriptor was allocated. Normalize codeset name before calling __wcsmbs_named_conv. Initialize transliteration elements. Free step data structure. * libio/iofclose.c (_IO_new_fclose): Correct freeing of the step data. * libio/iofwide.c (__libio_translit): Renamed from libio_translit and made public. Various little cleanup changes. * wcsmbs/wcsmbsload.h (struct gconv_fcts): Add towc_nsteps and tomb_nsteps member. * wcsmbs/wcsmbsload.c: Add some casts to avoid warnings. (__wcsmbs_gconv_fcts): Initialize towc_nsteps and tomb_nsteps member. (getfct): Take additional parameter with pointer to variable where the number of steps is stored in. Disable code which allows to use more than one step for now. Adjust all callers. (free_mem): New function. Frees data associated with currently selected converters.
-rw-r--r--ChangeLog18
-rw-r--r--NEWS4
-rw-r--r--libio/fileops.c120
-rw-r--r--libio/iofclose.c12
-rw-r--r--libio/iofwide.c23
-rw-r--r--malloc/mtrace.pl13
-rw-r--r--wcsmbs/wcsmbsload.c88
-rw-r--r--wcsmbs/wcsmbsload.h4
8 files changed, 202 insertions, 80 deletions
diff --git a/ChangeLog b/ChangeLog
index 2b31c404e8..e7c8890dba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,22 @@
2001-07-27 Ulrich Drepper <drepper@redhat.com>
+ * libio/fileops.c (_IO_new_file_fopen): Correctly locate ccs=
+ substring. Don't handle ccs= if no descriptor was allocated.
+ Normalize codeset name before calling __wcsmbs_named_conv.
+ Initialize transliteration elements. Free step data structure.
+ * libio/iofclose.c (_IO_new_fclose): Correct freeing of the step data.
+ * libio/iofwide.c (__libio_translit): Renamed from libio_translit
+ and made public. Various little cleanup changes.
+ * wcsmbs/wcsmbsload.h (struct gconv_fcts): Add towc_nsteps and
+ tomb_nsteps member.
+ * wcsmbs/wcsmbsload.c: Add some casts to avoid warnings.
+ (__wcsmbs_gconv_fcts): Initialize towc_nsteps and tomb_nsteps member.
+ (getfct): Take additional parameter with pointer to variable where the
+ number of steps is stored in. Disable code which allows to use more
+ than one step for now. Adjust all callers.
+ (free_mem): New function. Frees data associated with currently
+ selected converters.
+
* malloc/mtrace.pl: Extract addresses from DSOs.
2001-07-26 Ulrich Drepper <drepper@redhat.com>
@@ -29,7 +46,6 @@
* sysdeps/generic/tcsetattr.c (bad_speed): Accept those values.
* termios/cfsetspeed.c (speeds): Likewise.
->>>>>>> 1.5525
2001-07-26 kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Don't use
diff --git a/NEWS b/NEWS
index c9039616a2..5144dc0610 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes. 2001-7-25
+GNU C Library NEWS -- history of user-visible changes. 2001-7-27
Copyright (C) 1992-2000, 2001 Free Software Foundation, Inc.
See the end for copying conditions.
@@ -28,6 +28,8 @@ Version 2.2.4
* The Hurd port got a lot more functionality like AIO, various stdio
extensions, etc. Mainly done by Roland McGrath.
+
+* mtrace can now lookup symbols in shared libraries.
Version 2.2.3
diff --git a/libio/fileops.c b/libio/fileops.c
index 03f71d71c0..3947fa8d6c 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -31,6 +31,7 @@
# define _POSIX_SOURCE
#endif
#include "libioP.h"
+#include <assert.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -42,6 +43,8 @@
#endif
#if _LIBC
# include "../wcsmbs/wcsmbsload.h"
+# include "../iconv/gconv_charset.h"
+# include "../iconv/gconv_int.h"
# include <shlib-compat.h>
#endif
#ifndef errno
@@ -74,6 +77,12 @@ extern int errno;
# define _IO_new_file_xsputn _IO_file_xsputn
#endif
+
+#ifdef _LIBC
+extern struct __gconv_trans_data __libio_translit;
+#endif
+
+
/* An fstream can be in at most one of put mode, get mode, or putback mode.
Putback mode is a variant of get mode.
@@ -238,8 +247,9 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
int oprot = 0666;
int i;
_IO_FILE *result;
-#if _LIBC
+#ifdef _LIBC
const char *cs;
+ const char *last_recognized;
#endif
if (_IO_file_is_open (fp))
@@ -264,6 +274,9 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
__set_errno (EINVAL);
return NULL;
}
+#ifdef _LIBC
+ last_recognized = mode;
+#endif
for (i = 1; i < 4; ++i)
{
switch (*++mode)
@@ -273,11 +286,20 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
case '+':
omode = O_RDWR;
read_write &= _IO_IS_APPENDING;
+#ifdef _LIBC
+ last_recognized = mode;
+#endif
continue;
case 'x':
oflags |= O_EXCL;
+#ifdef _LIBC
+ last_recognized = mode;
+#endif
continue;
case 'b':
+#ifdef _LIBC
+ last_recognized = mode;
+#endif
default:
/* Ignore. */
continue;
@@ -289,48 +311,78 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
is32not64);
-#if _LIBC
- /* Test whether the mode string specifies the conversion. */
- cs = strstr (mode, ",ccs=");
- if (cs != NULL)
+#ifdef _LIBC
+ if (result != NULL)
{
- /* Yep. Load the appropriate conversions and set the orientation
- to wide. */
- struct gconv_fcts fcts;
- struct _IO_codecvt *cc;
+ /* Test whether the mode string specifies the conversion. */
+ cs = strstr (last_recognized + 1, ",ccs=");
+ if (cs != NULL)
+ {
+ /* Yep. Load the appropriate conversions and set the orientation
+ to wide. */
+ struct gconv_fcts fcts;
+ struct _IO_codecvt *cc;
+ char *endp = __strchrnul (cs + 5, ',');
+ char ccs[endp - (cs + 5) + 3];
+
+ *((char *) __mempcpy (ccs, cs + 5, endp - (cs + 5))) = '\0';
+ strip (ccs, ccs);
+
+ if (__wcsmbs_named_conv (&fcts, ccs[2] == '\0'
+ ? upstr (ccs, cs + 5) : ccs) != 0)
+ {
+ /* Something went wrong, we cannot load the conversion modules.
+ This means we cannot proceed since the user explicitly asked
+ for these. */
+ __set_errno (EINVAL);
+ return NULL;
+ }
- if (! _IO_CHECK_WIDE (fp) || __wcsmbs_named_conv (&fcts, cs + 5) != 0)
- {
- /* Something went wrong, we cannot load the conversion modules.
- This means we cannot proceed since the user explicitly asked
- for these. */
- _IO_new_fclose (result);
- return NULL;
- }
+ assert (fcts.towc_nsteps == 1);
+ assert (fcts.tomb_nsteps == 1);
+
+ fp->_wide_data->_IO_read_ptr = fp->_wide_data->_IO_read_end;
+ fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_write_base;
+
+ /* Clear the state. We start all over again. */
+ memset (&fp->_wide_data->_IO_state, '\0', sizeof (__mbstate_t));
+ memset (&fp->_wide_data->_IO_last_state, '\0', sizeof (__mbstate_t));
+
+ cc = fp->_codecvt = &fp->_wide_data->_codecvt;
- cc = fp->_codecvt = &fp->_wide_data->_codecvt;
+ /* The functions are always the same. */
+ *cc = __libio_codecvt;
- /* The functions are always the same. */
- *cc = __libio_codecvt;
+ cc->__cd_in.__cd.__nsteps = fcts.towc_nsteps;
+ cc->__cd_in.__cd.__steps = fcts.towc;
- cc->__cd_in.__cd.__nsteps = 1; /* Only one step allowed. */
- cc->__cd_in.__cd.__steps = fcts.towc;
+ cc->__cd_in.__cd.__data[0].__invocation_counter = 0;
+ cc->__cd_in.__cd.__data[0].__internal_use = 1;
+ cc->__cd_in.__cd.__data[0].__flags = __GCONV_IS_LAST;
+ cc->__cd_in.__cd.__data[0].__statep = &result->_wide_data->_IO_state;
- cc->__cd_in.__cd.__data[0].__invocation_counter = 0;
- cc->__cd_in.__cd.__data[0].__internal_use = 1;
- cc->__cd_in.__cd.__data[0].__flags = __GCONV_IS_LAST;
- cc->__cd_in.__cd.__data[0].__statep = &result->_wide_data->_IO_state;
+ /* XXX For now no transliteration. */
+ cc->__cd_in.__cd.__data[0].__trans = NULL;
- cc->__cd_out.__cd.__nsteps = 1; /* Only one step allowed. */
- cc->__cd_out.__cd.__steps = fcts.tomb;
+ cc->__cd_out.__cd.__nsteps = fcts.tomb_nsteps;
+ cc->__cd_out.__cd.__steps = fcts.tomb;
- cc->__cd_out.__cd.__data[0].__invocation_counter = 0;
- cc->__cd_out.__cd.__data[0].__internal_use = 1;
- cc->__cd_out.__cd.__data[0].__flags = __GCONV_IS_LAST;
- cc->__cd_out.__cd.__data[0].__statep = &result->_wide_data->_IO_state;
+ cc->__cd_out.__cd.__data[0].__invocation_counter = 0;
+ cc->__cd_out.__cd.__data[0].__internal_use = 1;
+ cc->__cd_out.__cd.__data[0].__flags = __GCONV_IS_LAST;
+ cc->__cd_out.__cd.__data[0].__statep =
+ &result->_wide_data->_IO_state;
- /* Set the mode now. */
- result->_mode = 1;
+ /* And now the transliteration. */
+ cc->__cd_out.__cd.__data[0].__trans = &__libio_translit;
+
+ /* Set the mode now. */
+ result->_mode = 1;
+
+ /* We don't need the step data structure anymore. */
+ __gconv_release_cache (fcts.towc, fcts.towc_nsteps);
+ __gconv_release_cache (fcts.tomb, fcts.tomb_nsteps);
+ }
}
#endif /* GNU libc */
diff --git a/libio/iofclose.c b/libio/iofclose.c
index 660c118359..45bd0afa7d 100644
--- a/libio/iofclose.c
+++ b/libio/iofclose.c
@@ -72,16 +72,8 @@ _IO_new_fclose (fp)
the conversion functions. */
struct _IO_codecvt *cc = fp->_codecvt;
- if (cc->__cd_in.__cd.__steps->__shlib_handle != NULL)
- {
- --cc->__cd_in.__cd.__steps->__counter;
- __gconv_close_transform (cc->__cd_in.__cd.__steps, 1);
- }
- if (cc->__cd_out.__cd.__steps->__shlib_handle != NULL)
- {
- --cc->__cd_out.__cd.__steps->__counter;
- __gconv_close_transform (cc->__cd_out.__cd.__steps, 1);
- }
+ __gconv_release_step (cc->__cd_in.__cd.__steps);
+ __gconv_release_step (cc->__cd_out.__cd.__steps);
#endif
}
_IO_cleanup_region_end (0);
diff --git a/libio/iofwide.c b/libio/iofwide.c
index d191baaf99..aa314fe671 100644
--- a/libio/iofwide.c
+++ b/libio/iofwide.c
@@ -30,6 +30,7 @@
# include <dlfcn.h>
# include <wchar.h>
#endif
+#include <assert.h>
#include <stdlib.h>
#include <string.h>
@@ -81,7 +82,7 @@ struct _IO_codecvt __libio_codecvt =
#ifdef _LIBC
-static struct __gconv_trans_data libio_translit =
+struct __gconv_trans_data __libio_translit =
{
.__trans_fct = __gconv_transliterate
};
@@ -134,11 +135,13 @@ _IO_fwide (fp, mode)
memset (&fp->_wide_data->_IO_last_state, '\0', sizeof (__mbstate_t));
__wcsmbs_clone_conv (&fcts);
+ assert (fcts.towc_nsteps == 1);
+ assert (fcts.tomb_nsteps == 1);
/* The functions are always the same. */
*cc = __libio_codecvt;
- cc->__cd_in.__cd.__nsteps = 1; /* Only one step allowed. */
+ cc->__cd_in.__cd.__nsteps = fcts.towc_nsteps;
cc->__cd_in.__cd.__steps = fcts.towc;
cc->__cd_in.__cd.__data[0].__invocation_counter = 0;
@@ -149,7 +152,7 @@ _IO_fwide (fp, mode)
/* XXX For now no transliteration. */
cc->__cd_in.__cd.__data[0].__trans = NULL;
- cc->__cd_out.__cd.__nsteps = 1; /* Only one step allowed. */
+ cc->__cd_out.__cd.__nsteps = fcts.tomb_nsteps;
cc->__cd_out.__cd.__steps = fcts.tomb;
cc->__cd_out.__cd.__data[0].__invocation_counter = 0;
@@ -158,11 +161,7 @@ _IO_fwide (fp, mode)
cc->__cd_out.__cd.__data[0].__statep = &fp->_wide_data->_IO_state;
/* And now the transliteration. */
-#ifdef _LIBC
- cc->__cd_out.__cd.__data[0].__trans = &libio_translit;
-#else
- cc->__cd_out.__cd.__data[0].__trans = NULL;
-#endif
+ cc->__cd_out.__cd.__data[0].__trans = &__libio_translit;
}
#else
# ifdef _GLIBCPP_USE_WCHAR_T
@@ -188,8 +187,12 @@ _IO_fwide (fp, mode)
cc->__cd_out = iconv_open (external_ccs, internal_ccs);
if (cc->__cd_in == (iconv_t) -1 || cc->__cd_out == (iconv_t) -1)
- /* XXX */
- abort ();
+ {
+ if (cc->__cd_in != (iconv_t) -1)
+ iconv_close (cc->__cd_in);
+ /* XXX */
+ abort ();
+ }
}
# else
# error "somehow determine this from LC_CTYPE"
diff --git a/malloc/mtrace.pl b/malloc/mtrace.pl
index e3ed5771dd..7e06c99f29 100644
--- a/malloc/mtrace.pl
+++ b/malloc/mtrace.pl
@@ -125,6 +125,19 @@ sub location {
}
}
$cache{$addr} = $str = $addr;
+ } elsif ($str =~ /^.*[[](0x[^]]*)]$/) {
+ my $addr = $1;
+ return $cache{$addr} if (exists $cache{$addr});
+ if ($binary ne "" && open (ADDR, "addr2line -e $binary $addr|")) {
+ my $line = <ADDR>;
+ chomp $line;
+ close (ADDR);
+ if ($line ne '??:0') {
+ $cache{$addr} = $line;
+ return $cache{$addr};
+ }
+ }
+ $cache{$addr} = $str = $addr;
}
return $str;
}
diff --git a/wcsmbs/wcsmbsload.c b/wcsmbs/wcsmbsload.c
index f5d9426c32..c096804a68 100644
--- a/wcsmbs/wcsmbsload.c
+++ b/wcsmbs/wcsmbsload.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -41,8 +41,8 @@ static struct __gconv_step to_wc =
.__shlib_handle = NULL,
.__modname = NULL,
.__counter = INT_MAX,
- .__from_name = "ANSI_X3.4-1968//TRANSLIT",
- .__to_name = "INTERNAL",
+ .__from_name = (char *) "ANSI_X3.4-1968//TRANSLIT",
+ .__to_name = (char *) "INTERNAL",
.__fct = __gconv_transform_ascii_internal,
.__init_fct = NULL,
.__end_fct = NULL,
@@ -59,8 +59,8 @@ static struct __gconv_step to_mb =
.__shlib_handle = NULL,
.__modname = NULL,
.__counter = INT_MAX,
- .__from_name = "INTERNAL",
- .__to_name = "ANSI_X3.4-1968//TRANSLIT",
+ .__from_name = (char *) "INTERNAL",
+ .__to_name = (char *) "ANSI_X3.4-1968//TRANSLIT",
.__fct = __gconv_transform_internal_ascii,
.__init_fct = NULL,
.__end_fct = NULL,
@@ -77,22 +77,33 @@ static struct __gconv_step to_mb =
struct gconv_fcts __wcsmbs_gconv_fcts =
{
.towc = &to_wc,
- .tomb = &to_mb
+ .towc_nsteps = 1,
+ .tomb = &to_mb,
+ .tomb_nsteps = 1
};
static inline struct __gconv_step *
-getfct (const char *to, const char *from)
+getfct (const char *to, const char *from, size_t *nstepsp)
{
size_t nsteps;
struct __gconv_step *result;
+#if 0
size_t nstateful;
size_t cnt;
+#endif
if (__gconv_find_transform (to, from, &result, &nsteps, 0) != __GCONV_OK)
/* Loading the conversion step is not possible. */
return NULL;
+ /* Maybe it is someday necessary to allow more than one step.
+ Currently this is not the case since the conversions handled here
+ are from and to INTERNAL and there always is a converted for
+ that. It the directly following code is enabled the libio
+ functions will have to allocate appropriate __gconv_step_data
+ elements instead of only one. */
+#if 0
/* Count the number of stateful conversions. Since we will only
have one 'mbstate_t' object available we can only deal with one
stateful conversion. */
@@ -101,11 +112,16 @@ getfct (const char *to, const char *from)
if (result[cnt].__stateful)
++nstateful;
if (nstateful > 1)
+#else
+ if (nsteps > 1)
+#endif
{
/* We cannot handle this case. */
__gconv_close_transform (result, nsteps);
result = NULL;
}
+ else
+ *nstepsp = nsteps;
return result;
}
@@ -160,12 +176,18 @@ __wcsmbs_load_conv (const struct locale_data *new_category)
const char *charset_name;
const char *complete_name;
struct __gconv_step *new_towc;
+ size_t new_towc_nsteps;
struct __gconv_step *new_tomb;
+ size_t new_tomb_nsteps;
int use_translit;
/* Free the old conversions. */
- __gconv_close_transform (__wcsmbs_gconv_fcts.tomb, 1);
- __gconv_close_transform (__wcsmbs_gconv_fcts.towc, 1);
+ if (__wcsmbs_gconv_fcts.tomb != &to_mb)
+ __gconv_close_transform (__wcsmbs_gconv_fcts.tomb,
+ __wcsmbs_gconv_fcts.tomb_nsteps);
+ if (__wcsmbs_gconv_fcts.towc != &to_wc)
+ __gconv_close_transform (__wcsmbs_gconv_fcts.towc,
+ __wcsmbs_gconv_fcts.towc_nsteps);
/* Get name of charset of the locale. */
charset_name = new_category->values[_NL_ITEM_INDEX(CODESET)].string;
@@ -181,9 +203,10 @@ __wcsmbs_load_conv (const struct locale_data *new_category)
/* It is not necessary to use transliteration in this direction
since the internal character set is supposed to be able to
represent all others. */
- new_towc = getfct ("INTERNAL", complete_name);
+ new_towc = getfct ("INTERNAL", complete_name, &new_towc_nsteps);
new_tomb = (new_towc != NULL
- ? getfct (complete_name, "INTERNAL") : NULL);
+ ? getfct (complete_name, "INTERNAL", &new_tomb_nsteps)
+ : NULL);
/* If any of the conversion functions is not available we don't
use any since this would mean we cannot convert back and
@@ -197,7 +220,9 @@ __wcsmbs_load_conv (const struct locale_data *new_category)
}
__wcsmbs_gconv_fcts.tomb = new_tomb;
+ __wcsmbs_gconv_fcts.tomb_nsteps = new_tomb_nsteps;
__wcsmbs_gconv_fcts.towc = new_towc;
+ __wcsmbs_gconv_fcts.towc_nsteps = new_towc_nsteps;
}
/* Set last-used variable for current locale. */
@@ -232,27 +257,44 @@ __wcsmbs_clone_conv (struct gconv_fcts *copy)
}
-/* Clone the current conversion function set. */
+/* Get converters for named charset. */
int
internal_function
__wcsmbs_named_conv (struct gconv_fcts *copy, const char *name)
{
- copy->towc = getfct ("INTERNAL", name);
+ copy->towc = getfct ("INTERNAL", name, &copy->towc_nsteps);
if (copy->towc != NULL)
{
- copy->tomb = getfct (name, "INTERNAL");
+ copy->tomb = getfct (name, "INTERNAL", &copy->tomb_nsteps);
if (copy->tomb == NULL)
- __gconv_close_transform (copy->towc, 1);
+ __gconv_close_transform (copy->towc, copy->towc_nsteps);
}
- if (copy->towc == NULL || copy->tomb == NULL)
- return 1;
+ return copy->towc == NULL || copy->tomb == NULL ? 1 : 0;
+}
- /* Now increment the usage counters. */
- if (copy->towc->__shlib_handle != NULL)
- ++copy->towc->__counter;
- if (copy->tomb->__shlib_handle != NULL)
- ++copy->tomb->__counter;
- return 0;
+/* Free all resources if necessary. */
+static void __attribute__ ((unused))
+free_mem (void)
+{
+ if (__wcsmbs_gconv_fcts.tomb != &to_mb)
+ {
+ struct __gconv_step *old = __wcsmbs_gconv_fcts.tomb;
+ size_t nold = __wcsmbs_gconv_fcts.tomb_nsteps;
+ __wcsmbs_gconv_fcts.tomb = &to_mb;
+ __wcsmbs_gconv_fcts.tomb_nsteps = 1;
+ __gconv_release_cache (old, nold);
+ }
+
+ if (__wcsmbs_gconv_fcts.towc != &to_wc)
+ {
+ struct __gconv_step *old = __wcsmbs_gconv_fcts.towc;
+ size_t nold = __wcsmbs_gconv_fcts.towc_nsteps;
+ __wcsmbs_gconv_fcts.towc = &to_wc;
+ __wcsmbs_gconv_fcts.towc_nsteps = 1;
+ __gconv_release_cache (old, nold);
+ }
}
+
+text_set_element (__libc_subfreeres, free_mem);
diff --git a/wcsmbs/wcsmbsload.h b/wcsmbs/wcsmbsload.h
index c1bcfe0ea0..6aa6139f77 100644
--- a/wcsmbs/wcsmbsload.h
+++ b/wcsmbs/wcsmbsload.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -26,7 +26,9 @@
struct gconv_fcts
{
struct __gconv_step *towc;
+ size_t towc_nsteps;
struct __gconv_step *tomb;
+ size_t tomb_nsteps;
};
/* Set of currently active conversion functions. */