From ec56be1b4dc25ec39c32ceab997747ad651c9d22 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Thu, 31 Jul 2008 17:46:33 +0000 Subject: [PATCH] * configure.ac: Check for memmem declaration. * server.c [HAVE_MALLOC_H]: Include malloc.h. (disable_packet_vCont, disable_packet_Tthread, disable_packet_qC) (disable_packet_qfThreadInfo): Unconditionally compile. * server.h [!HAVE_DECL_MEMMEM]: Declare memmem. * configure, config.in: Regenerate. --- gdb/gdbserver/ChangeLog | 10 ++++ gdb/gdbserver/config.in | 4 ++ gdb/gdbserver/configure | 108 +++++++++++++++++++++++++++++++++---- gdb/gdbserver/configure.ac | 2 +- gdb/gdbserver/server.c | 19 ++++--- gdb/gdbserver/server.h | 4 ++ 6 files changed, 128 insertions(+), 19 deletions(-) diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index 8dc4716162b..df515934f46 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,3 +1,13 @@ +2008-07-31 Rolf Jansen + Pedro Alves + + * configure.ac: Check for memmem declaration. + * server.c [HAVE_MALLOC_H]: Include malloc.h. + (disable_packet_vCont, disable_packet_Tthread, disable_packet_qC) + (disable_packet_qfThreadInfo): Unconditionally compile. + * server.h [!HAVE_DECL_MEMMEM]: Declare memmem. + * configure, config.in: Regenerate. + 2008-07-28 Doug Kwan * linux-low.c (sys/dir.h, sys/user.h): Remove includes. diff --git a/gdb/gdbserver/config.in b/gdb/gdbserver/config.in index e636f82a536..ea957aa577f 100644 --- a/gdb/gdbserver/config.in +++ b/gdb/gdbserver/config.in @@ -3,6 +3,10 @@ /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_INET_H +/* Define to 1 if you have the declaration of `memmem', and to 0 if you don't. + */ +#undef HAVE_DECL_MEMMEM + /* Define to 1 if you have the declaration of `perror', and to 0 if you don't. */ #undef HAVE_DECL_PERROR diff --git a/gdb/gdbserver/configure b/gdb/gdbserver/configure index 00df01dec8e..7cd62da098c 100755 --- a/gdb/gdbserver/configure +++ b/gdb/gdbserver/configure @@ -312,6 +312,7 @@ ac_includes_default="\ ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CPP EGREP LIBOBJS PKGVERSION REPORT_BUGS_TO REPORT_BUGS_TEXI RDYNAMIC GDBSERVER_DEPFILES GDBSERVER_LIBS USE_THREAD_DB srv_xmlbuiltin srv_xmlfiles LTLIBOBJS' ac_subst_files='' +ac_pwd=`pwd` # Initialize some variables set by options. ac_init_help= @@ -1279,6 +1280,8 @@ echo "$as_me: current value: \`$ac_new_val'" >&2;} fi done if $ac_cache_corrupted; then + { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 echo "$as_me: error: changes in the environment can compromise the build" >&2;} { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 @@ -1308,6 +1311,9 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + ac_config_headers="$ac_config_headers config.h:config.in" @@ -1623,11 +1629,13 @@ fi fi -test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +test -z "$CC" && { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&5 echo "$as_me: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { (exit 1); exit 1; }; }; } # Provide some information about the compiler. echo "$as_me:$LINENO:" \ @@ -1713,11 +1721,13 @@ else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 +{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} { { echo "$as_me:$LINENO: error: C compiler cannot create executables See \`config.log' for more details." >&5 echo "$as_me: error: C compiler cannot create executables See \`config.log' for more details." >&2;} - { (exit 77); exit 77; }; } + { (exit 77); exit 77; }; }; } fi ac_exeext=$ac_cv_exeext @@ -1742,13 +1752,15 @@ if test "$cross_compiling" != yes; then if test "$cross_compiling" = maybe; then cross_compiling=yes else - { { echo "$as_me:$LINENO: error: cannot run C compiled programs. + { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ { echo "$as_me:$LINENO: error: cannot run C compiled programs. If you meant to cross compile, use \`--host'. See \`config.log' for more details." >&5 echo "$as_me: error: cannot run C compiled programs. If you meant to cross compile, use \`--host'. See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { (exit 1); exit 1; }; }; } fi fi fi @@ -1786,11 +1798,13 @@ for ac_file in conftest.exe conftest conftest.*; do esac done else - { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link + { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link See \`config.log' for more details." >&5 echo "$as_me: error: cannot compute suffix of executables: cannot compile and link See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { (exit 1); exit 1; }; }; } fi rm -f conftest$ac_cv_exeext @@ -1837,11 +1851,13 @@ else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 +{ { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} { { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile See \`config.log' for more details." >&5 echo "$as_me: error: cannot compute suffix of object files: cannot compile See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { (exit 1); exit 1; }; }; } fi rm -f conftest.$ac_cv_objext conftest.$ac_ext @@ -2675,11 +2691,13 @@ rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then : else - { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check + { { echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5 +echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&5 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&2;} - { (exit 1); exit 1; }; } + { (exit 1); exit 1; }; }; } fi ac_ext=c @@ -3589,6 +3607,76 @@ else _ACEOF +fi +echo "$as_me:$LINENO: checking whether memmem is declared" >&5 +echo $ECHO_N "checking whether memmem is declared... $ECHO_C" >&6 +if test "${ac_cv_have_decl_memmem+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +#ifndef memmem + char *p = (char *) memmem; +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_have_decl_memmem=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_have_decl_memmem=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_have_decl_memmem" >&5 +echo "${ECHO_T}$ac_cv_have_decl_memmem" >&6 +if test $ac_cv_have_decl_memmem = yes; then + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_MEMMEM 1 +_ACEOF + + +else + cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_MEMMEM 0 +_ACEOF + + fi diff --git a/gdb/gdbserver/configure.ac b/gdb/gdbserver/configure.ac index 7cfbaf6eba2..e6b4bc56b6d 100644 --- a/gdb/gdbserver/configure.ac +++ b/gdb/gdbserver/configure.ac @@ -61,7 +61,7 @@ AC_TRY_LINK([ [AC_MSG_RESULT(no)]) fi -AC_CHECK_DECLS([strerror, perror]) +AC_CHECK_DECLS([strerror, perror, memmem]) AC_CHECK_TYPES(socklen_t, [], [], [#include diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c index da9d83c402e..1fa16942b88 100644 --- a/gdb/gdbserver/server.c +++ b/gdb/gdbserver/server.c @@ -28,6 +28,9 @@ #if HAVE_SYS_WAIT_H #include #endif +#if HAVE_MALLOC_H +#include +#endif unsigned long cont_thread; unsigned long general_thread; @@ -67,14 +70,6 @@ int terminal_fd; /* TERMINAL_FD's original foreground group. */ pid_t old_foreground_pgrp; -/* Set if you want to disable optional thread related packets support - in gdbserver, for the sake of testing GDB against stubs that don't - support them. */ -int disable_packet_vCont; -int disable_packet_Tthread; -int disable_packet_qC; -int disable_packet_qfThreadInfo; - /* Hand back terminal ownership to the original foreground group. */ static void @@ -84,6 +79,14 @@ restore_old_foreground_pgrp (void) } #endif +/* Set if you want to disable optional thread related packets support + in gdbserver, for the sake of testing GDB against stubs that don't + support them. */ +int disable_packet_vCont; +int disable_packet_Tthread; +int disable_packet_qC; +int disable_packet_qfThreadInfo; + static int target_running (void) { diff --git a/gdb/gdbserver/server.h b/gdb/gdbserver/server.h index aedd14a46b8..b519696827e 100644 --- a/gdb/gdbserver/server.h +++ b/gdb/gdbserver/server.h @@ -50,6 +50,10 @@ extern void perror (const char *); #endif #endif +#if !HAVE_DECL_MEMMEM +extern void *memmem (const void *, size_t , const void *, size_t); +#endif + #ifndef ATTR_NORETURN #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)) #define ATTR_NORETURN __attribute__ ((noreturn)) -- 2.30.2