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2007-10-09 Pierre Muller <muller@ics.u-strasbg.fr>

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* p-lang.h (pascal_main_name): Add declaration.
        * p-lang.c (GPC_P_INITIALIZE, GPC_MAIN_PROGRAM_NAME_1)
        (GPC_MAIN_PROGRAM_NAME_2): New constants.
        (pascal_main_name): New function.
        * symtab.c: Include p-lang.h.
        (find_main_name): Add call to pascal_main_name.
        * Makefile.in (symtab.o): Add dependency on p-lang.h.
This commit is contained in:
Pierre Muller 2007-10-09 06:59:27 +00:00
parent 944d6884ea
commit cd6c7346a6
5 changed files with 73 additions and 2 deletions
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50
gdb/p-lang.c
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@ -35,6 +35,56 @@
extern void _initialize_pascal_language (void);
/* All GPC versions until now (2007-09-27) also define a symbol called
'_p_initialize'. Check for the presence of this symbol first. */
static const char GPC_P_INITIALIZE[] = "_p_initialize";
/* The name of the symbol that GPC uses as the name of the main
procedure (since version 20050212). */
static const char GPC_MAIN_PROGRAM_NAME_1[] = "_p__M0_main_program";
/* Older versions of GPC (versions older than 20050212) were using
a different name for the main procedure. */
static const char GPC_MAIN_PROGRAM_NAME_2[] = "pascal_main_program";
/* Function returning the special symbol name used
by GPC for the main procedure in the main program
if it is found in minimal symbol list.
This function tries to find minimal symbols generated by GPC
so that it finds the even if the program was compiled
without debugging information.
According to information supplied by Waldeck Hebisch,
this should work for all versions posterior to June 2000. */
const char *
pascal_main_name (void)
{
struct minimal_symbol *msym;
msym = lookup_minimal_symbol (GPC_P_INITIALIZE, NULL, NULL);
/* If '_p_initialize' was not found, the main program is likely not
written in Pascal. */
if (msym == NULL)
return NULL;
msym = lookup_minimal_symbol (GPC_MAIN_PROGRAM_NAME_1, NULL, NULL);
if (msym != NULL)
{
return GPC_MAIN_PROGRAM_NAME_1;
}
msym = lookup_minimal_symbol (GPC_MAIN_PROGRAM_NAME_2, NULL, NULL);
if (msym != NULL)
{
return GPC_MAIN_PROGRAM_NAME_2;
}
/* No known entry procedure found, the main program is probably
not compiled with GPC. */
return NULL;
}
/* Determines if type TYPE is a pascal string type.
Returns 1 if the type is a known pascal type
This function is used by p-valprint.c code to allow better string display.