From: Dan Nicolaescu Date: Tue, 23 Nov 2010 18:47:23 +0000 (-0800) Subject: Mark debugger related variables and functions as EXTERNALLY_VISIBLE X-Git-Tag: emacs-pretest-24.0.90~104^2~275^2~438^2~45^2~143 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=42c8bc9b87388258d1de6a714b051330570f0ff4;p=emacs.git Mark debugger related variables and functions as EXTERNALLY_VISIBLE so that they do not get optimized away. * configure.in (EXTERNALLY_VISIBLE): New definition. * src/emacs.c (gdb_use_union, gdb_valbits,gdb_gctypebits) (gdb_data_seg_bits, gdb_array_mark_flag, PVEC_FLAG) (gdb_pvec_type): * src/print.c (print_output_debug_flag): * src/lisp.h (debug_print): Mark as EXTERNALLY_VISIBLE. (safe_debug_print): New declaration. --- diff --git a/ChangeLog b/ChangeLog index 57307f64637..7821249e07e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,6 +1,7 @@ 2010-11-23 Dan Nicolaescu * configure.in : Remove sys/ioctl.h. + (EXTERNALLY_VISIBLE): New definition. 2010-11-21 Dan Nicolaescu diff --git a/configure.in b/configure.in index c24b60946e9..f6741087b9c 100644 --- a/configure.in +++ b/configure.in @@ -3633,6 +3633,12 @@ typedef unsigned size_t; #define NO_INLINE #endif +#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) +#define EXTERNALLY_VISIBLE __attribute__((externally_visible)) +#else +#define EXTERNALLY_VISIBLE +#endif + /* Some versions of GNU/Linux define noinline in their headers. */ #ifdef noinline #undef noinline diff --git a/src/ChangeLog b/src/ChangeLog index 75a141dabc6..d8518e5cdda 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,5 +1,12 @@ 2010-11-23 Dan Nicolaescu + * emacs.c (gdb_use_union, gdb_valbits,gdb_gctypebits) + (gdb_data_seg_bits, gdb_array_mark_flag, PVEC_FLAG) + (gdb_pvec_type): + * print.c (print_output_debug_flag): + * lisp.h (debug_print): Mark as EXTERNALLY_VISIBLE. + (safe_debug_print): New declaration. + * xterm.c: * systty.h: * sound.c: Include unconditionally. diff --git a/src/config.in b/src/config.in index b9e9d7c720d..487009b4511 100644 --- a/src/config.in +++ b/src/config.in @@ -1197,6 +1197,12 @@ typedef unsigned size_t; #define NO_INLINE #endif +#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) +#define EXTERNALLY_VISIBLE __attribute__((externally_visible)) +#else +#define EXTERNALLY_VISIBLE +#endif + /* Some versions of GNU/Linux define noinline in their headers. */ #ifdef noinline #undef noinline diff --git a/src/emacs.c b/src/emacs.c index 0d3b37ae27c..49716c7eb4a 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -100,27 +100,27 @@ static const char emacs_version[] = "24.0.50"; /* Make these values available in GDB, which doesn't see macros. */ #ifdef USE_LSB_TAG -int gdb_use_lsb = 1; +int gdb_use_lsb EXTERNALLY_VISIBLE = 1; #else -int gdb_use_lsb = 0; +int gdb_use_lsb EXTERNALLY_VISIBLE = 0; #endif #ifndef USE_LISP_UNION_TYPE -int gdb_use_union = 0; +int gdb_use_union EXTERNALLY_VISIBLE = 0; #else -int gdb_use_union = 1; +int gdb_use_union EXTERNALLY_VISIBLE = 1; #endif -EMACS_INT gdb_valbits = VALBITS; -EMACS_INT gdb_gctypebits = GCTYPEBITS; +EMACS_INT gdb_valbits EXTERNALLY_VISIBLE = VALBITS; +EMACS_INT gdb_gctypebits EXTERNALLY_VISIBLE = GCTYPEBITS; #if defined (DATA_SEG_BITS) && ! defined (USE_LSB_TAG) -EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS; +EMACS_INT gdb_data_seg_bits EXTERNALLY_VISIBLE = DATA_SEG_BITS; #else -EMACS_INT gdb_data_seg_bits = 0; +EMACS_INT gdb_data_seg_bits EXTERNALLY_VISIBLE = 0; #endif -EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG; -EMACS_INT gdb_array_mark_flag = ARRAY_MARK_FLAG; +EMACS_INT PVEC_FLAG EXTERNALLY_VISIBLE = PSEUDOVECTOR_FLAG; +EMACS_INT gdb_array_mark_flag EXTERNALLY_VISIBLE = ARRAY_MARK_FLAG; /* GDB might say "No enum type named pvec_type" if we don't have at least one symbol with that type, and then xbacktrace could fail. */ -enum pvec_type gdb_pvec_type = PVEC_TYPE_MASK; +enum pvec_type gdb_pvec_type EXTERNALLY_VISIBLE = PVEC_TYPE_MASK; /* Command line args from shell, as list of strings. */ Lisp_Object Vcommand_line_args; diff --git a/src/lisp.h b/src/lisp.h index 117e810e565..623ba5382eb 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -2832,7 +2832,8 @@ extern void syms_of_chartab (void); /* Defined in print.c */ extern Lisp_Object Vprin1_to_string_buffer; extern Lisp_Object Vprint_level, Vprint_length; -extern void debug_print (Lisp_Object); +extern void debug_print (Lisp_Object) EXTERNALLY_VISIBLE; +extern void safe_debug_print (Lisp_Object) EXTERNALLY_VISIBLE; EXFUN (Fprin1, 2); EXFUN (Fprin1_to_string, 2); EXFUN (Fprinc, 2); diff --git a/src/print.c b/src/print.c index ea88ba72f65..a95498ae668 100644 --- a/src/print.c +++ b/src/print.c @@ -163,7 +163,7 @@ Lisp_Object Vprint_number_table; void print_interval (INTERVAL interval, Lisp_Object printcharfun); /* GDB resets this to zero on W32 to disable OutputDebugString calls. */ -int print_output_debug_flag = 1; +int print_output_debug_flag EXTERNALLY_VISIBLE = 1; /* Low level output routines for characters and strings */