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Many changes, most related to creating entry point information on a per-objfile

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basis.  See comments in objfiles.h and details in ChangeLog.  Also remove
redundant definitions of FRAME_CHAIN_VALID from most of the tm-* files and
use a default definition in frame.h.
This commit is contained in:
Fred Fish
1992-03-21 01:56:01 +00:00
parent 9abf940670
commit 5e2e79f859
32 changed files with 458 additions and 185 deletions
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25
gdb/dwarfread.c
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@@ -62,6 +62,7 @@ other things to work on, if you get bored. :-)
#include "symtab.h"
#include "gdbtypes.h"
#include "symfile.h"
#include "objfiles.h"
#include "elf/dwarf.h"
#include "buildsym.h"
@@ -95,12 +96,6 @@ typedef unsigned int DIEREF; /* Reference to a DIE */
/* External variables referenced. */
extern CORE_ADDR startup_file_start; /* From blockframe.c */
extern CORE_ADDR startup_file_end; /* From blockframe.c */
extern CORE_ADDR entry_scope_lowpc; /* From blockframe.c */
extern CORE_ADDR entry_scope_highpc; /* From blockframe.c */
extern CORE_ADDR main_scope_lowpc; /* From blockframe.c */
extern CORE_ADDR main_scope_highpc; /* From blockframe.c */
extern int info_verbose; /* From main.c; nonzero => verbose */
extern char *warning_pre_print; /* From utils.c */
@@ -1439,15 +1434,16 @@ read_func_scope (dip, thisdie, enddie, objfile)
{
register struct context_stack *new;
if (entry_point >= dip -> at_low_pc && entry_point < dip -> at_high_pc)
if (objfile -> ei.entry_point >= dip -> at_low_pc &&
objfile -> ei.entry_point < dip -> at_high_pc)
{
entry_scope_lowpc = dip -> at_low_pc;
entry_scope_highpc = dip -> at_high_pc;
objfile -> ei.entry_func_lowpc = dip -> at_low_pc;
objfile -> ei.entry_func_highpc = dip -> at_high_pc;
}
if (STREQ (dip -> at_name, "main")) /* FIXME: hardwired name */
{
main_scope_lowpc = dip -> at_low_pc;
main_scope_highpc = dip -> at_high_pc;
objfile -> ei.main_func_lowpc = dip -> at_low_pc;
objfile -> ei.main_func_highpc = dip -> at_high_pc;
}
new = push_context (0, dip -> at_low_pc);
new -> name = new_symbol (dip, objfile);
@@ -1492,10 +1488,11 @@ read_file_scope (dip, thisdie, enddie, objfile)
struct cleanup *back_to;
struct symtab *symtab;
if (entry_point >= dip -> at_low_pc && entry_point < dip -> at_high_pc)
if (objfile -> ei.entry_point >= dip -> at_low_pc &&
objfile -> ei.entry_point < dip -> at_high_pc)
{
startup_file_start = dip -> at_low_pc;
startup_file_end = dip -> at_high_pc;
objfile -> ei.entry_file_lowpc = dip -> at_low_pc;
objfile -> ei.entry_file_highpc = dip -> at_high_pc;
}
if (dip -> at_producer != NULL)
{