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* configure.in: Add check for _etext.

Browse Source 
* maint.c (maintenance_set_profile_cmd): Use etext if _etext isn't
available.
* config.in, configure: regenerated.
This commit is contained in:
Mark Kettenis 2003-02-14 20:07:00 +00:00
parent 8f05cde5d3
commit b0b1c2c0eb
5 changed files with 452 additions and 391 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2003-02-14 Mark Kettenis <kettenis@gnu.org>
* configure.in: Add check for _etext.
* maint.c (maintenance_set_profile_cmd): Use etext if _etext isn't
available.
* config.in, configure: regenerated.
2003-02-14 Daniel Jacobowitz <drow@mvista.com>
* dwarf2read.c (dwarf2_get_pc_bounds): Offset addresses by base.

3
gdb/config.in
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@ -431,6 +431,9 @@
/* Define to BFD's default target vector. */
#undef DEFAULT_BFD_VEC
/* Define to 1 if your system has the _etext variable. */
#undef HAVE__ETEXT
/* Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
Solaris 2.[78] when using GCC. */
#undef _MSE_INT_H

812
gdb/configure vendored
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File diff suppressed because it is too large Load Diff

10
gdb/configure.in
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@ -204,6 +204,16 @@ AC_ARG_ENABLE(profiling,
[enable_profiling=no])
AC_CHECK_FUNCS(monstartup _mcleanup)
AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
[AC_TRY_LINK(
[#include <stdlib.h>
extern char _etext;
],
[free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
if test $ac_cv_var__etext = yes; then
AC_DEFINE(HAVE__ETEXT, 1,
[Define to 1 if your system has the _etext variable. ])
fi
if test "$enable_profiling" = yes ; then
if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)

11
gdb/maint.c
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@ -645,6 +645,14 @@ static int maintenance_profile_p;
#if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP)
#ifdef HAVE__ETEXT
extern char _etext;
#define TEXTEND &_etext
#else
extern char etext;
#define TEXTEND &etext
#endif
static int profiling_state;
static void
@ -669,7 +677,6 @@ maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *
static int profiling_initialized;
extern void monstartup (unsigned long, unsigned long);
extern char _etext;
extern int main();
if (!profiling_initialized)
@ -680,7 +687,7 @@ maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *
/* "main" is now always the first function in the text segment, so use
its address for monstartup. */
monstartup ((unsigned long) &main, (unsigned long) &_etext);
monstartup ((unsigned long) &main, (unsigned long) TEXTEND);
}
else
{