extern void obj_elf_init_stab_section PARAMS ((segT));
#define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)
-/* For now, always set ECOFF_DEBUGGING for an Alpha target. */
#ifdef TC_ALPHA
-#define ECOFF_DEBUGGING 1
+#define ECOFF_DEBUGGING alpha_flag_mdebug
+extern int alpha_flag_mdebug;
#endif
/* For now, always set ECOFF_DEBUGGING for a MIPS target. */
#endif /* MIPS_STABS_ELF */
#endif /* TC_MIPS */
-#if (ECOFF_DEBUGGING == 1) || defined(MIPS_STABS_ELF)
-
+#ifdef ECOFF_DEBUGGING
/* If we are generating ECOFF debugging information, we need some
additional fields for each symbol. */
#undef TARGET_SYMBOL_FIELDS
struct localsym *ecoff_symbol; \
valueT ecoff_extern_size;
-#ifndef MIPS_STABS_ELF
/* We smuggle stabs in ECOFF rather than using a separate section.
The Irix linker can not handle a separate stabs section. */
-#undef SEPARATE_STAB_SECTIONS
-#undef INIT_STAB_SECTION
-#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
- ecoff_stab ((seg), (what), (string), (type), (other), (desc))
-#define OBJ_GENERATE_ASM_LINENO(filename, lineno) \
- ecoff_generate_asm_lineno ((filename), (lineno))
+#undef SEPARATE_STAB_SECTIONS
+#define SEPARATE_STAB_SECTIONS (!ECOFF_DEBUGGING)
-#endif /* MIPS_STABS_ELF */
+#undef INIT_STAB_SECTION
+#define INIT_STAB_SECTION(seg) \
+ ((void)(ECOFF_DEBUGGING ? 0 : obj_elf_init_stab_section (seg), 0))
+
+#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
+ if (ECOFF_DEBUGGING) \
+ ecoff_stab ((seg), (what), (string), (type), (other), (desc))
#endif /* ECOFF_DEBUGGING */
extern void elf_frob_symbol PARAMS ((struct symbol *, int *));
#include "as.h"
#include "subsegs.h"
+#include "ecoff.h"
#include "opcode/alpha.h"
#endif
#ifdef OBJ_ELF
static void s_alpha_section PARAMS ((int));
+static void s_alpha_ent PARAMS ((int));
+static void s_alpha_end PARAMS ((int));
+static void s_alpha_mask PARAMS ((int));
+static void s_alpha_frame PARAMS ((int));
static void s_alpha_prologue PARAMS ((int));
+static void s_alpha_coff_wrapper PARAMS ((int));
#endif
#ifdef OBJ_EVAX
static void s_alpha_section PARAMS ((int));
{ "32addr", no_argument, NULL, OPTION_32ADDR },
#define OPTION_RELAX (OPTION_32ADDR+1)
{ "relax", no_argument, NULL, OPTION_RELAX },
+#ifdef OBJ_ELF
+#define OPTION_MDEBUG (OPTION_RELAX+1)
+#define OPTION_NO_MDEBUG (OPTION_MDEBUG+1)
+ { "mdebug", no_argument, NULL, OPTION_MDEBUG },
+ { "no-mdebug", no_argument, NULL, OPTION_NO_MDEBUG },
+#endif
{ NULL, no_argument, NULL, 0 }
};
static offsetT alpha_lit8_literal;
#endif
+/* The active .ent symbol. */
+#ifdef OBJ_ELF
+static symbolS *alpha_cur_ent_sym;
+#endif
+
/* Is the assembler not allowed to use $at? */
static int alpha_noat_on = 0;
/* Whether the debugging option was seen. */
static int alpha_debug;
+#ifdef OBJ_ELF
+/* Whether we are emitting an mdebug section. */
+int alpha_flag_mdebug = 1;
+#endif
+
/* Don't fully resolve relocations, allowing code movement in the linker. */
static int alpha_flag_relax;
#ifdef OBJ_ELF
if (ECOFF_DEBUGGING)
{
- segT sec;
-
- sec = subseg_new(".mdebug", (subsegT)0);
+ segT sec = subseg_new(".mdebug", (subsegT)0);
bfd_set_section_flags(stdoutput, sec, SEC_HAS_CONTENTS|SEC_READONLY);
bfd_set_section_alignment(stdoutput, sec, 3);
-
-#ifdef ERIC_neverdef
- sec = subseg_new(".reginfo", (subsegT)0);
- /* The ABI says this section should be loaded so that the running
- program can access it. */
- bfd_set_section_flags(stdoutput, sec,
- SEC_ALLOC|SEC_LOAD|SEC_READONLY|SEC_DATA);
- bfd_set_section_alignement(stdoutput, sec, 3);
-#endif
}
#endif /* OBJ_ELF */
alpha_flag_relax = 1;
break;
+#ifdef OBJ_ELF
+ case OPTION_MDEBUG:
+ alpha_flag_mdebug = 1;
+ break;
+ case OPTION_NO_MDEBUG:
+ alpha_flag_mdebug = 0;
+ break;
+#endif
+
default:
return 0;
}
*p = 0;
symbolP = symbol_find_or_make (name);
- *p = c;
#ifdef OBJ_EVAX
/* Make a section for the common symbol. */
new_seg = subseg_new (xstrdup (name), 0);
#endif
+ *p = c;
+
#ifdef OBJ_EVAX
/* alignment might follow */
if (*input_line_pointer == ',')
alpha_current_align = 0;
}
+static void
+s_alpha_ent (dummy)
+ int dummy;
+{
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_ent (0);
+ else
+ {
+ char *name, name_end;
+ name = input_line_pointer;
+ name_end = get_symbol_end ();
+
+ if (! is_name_beginner (*name))
+ {
+ as_warn (_(".ent directive has no name"));
+ *input_line_pointer = name_end;
+ }
+ else
+ {
+ symbolS *sym;
+
+ if (alpha_cur_ent_sym)
+ as_warn (_("nested .ent directives"));
+
+ sym = symbol_find_or_make (name);
+ sym->bsym->flags |= BSF_FUNCTION;
+ alpha_cur_ent_sym = sym;
+
+ /* The .ent directive is sometimes followed by a number. Not sure
+ what it really means, but ignore it. */
+ *input_line_pointer = name_end;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == ',')
+ {
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ }
+ if (isdigit (*input_line_pointer) || *input_line_pointer == '-')
+ (void) get_absolute_expression ();
+ }
+ demand_empty_rest_of_line ();
+ }
+}
+
+static void
+s_alpha_end (dummy)
+ int dummy;
+{
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_end (0);
+ else
+ {
+ char *name, name_end;
+ name = input_line_pointer;
+ name_end = get_symbol_end ();
+
+ if (! is_name_beginner (*name))
+ {
+ as_warn (_(".end directive has no name"));
+ *input_line_pointer = name_end;
+ }
+ else
+ {
+ symbolS *sym;
+
+ sym = symbol_find (name);
+ if (sym != alpha_cur_ent_sym)
+ as_warn (_(".end directive names different symbol than .ent"));
+
+ /* Create an expression to calculate the size of the function. */
+ if (sym)
+ {
+ sym->sy_obj.size = (expressionS *) xmalloc (sizeof (expressionS));
+ sym->sy_obj.size->X_op = O_subtract;
+ sym->sy_obj.size->X_add_symbol
+ = symbol_new ("L0\001", now_seg, frag_now_fix (), frag_now);
+ sym->sy_obj.size->X_op_symbol = sym;
+ sym->sy_obj.size->X_add_number = 0;
+ }
+
+ alpha_cur_ent_sym = NULL;
+
+ *input_line_pointer = name_end;
+ }
+ demand_empty_rest_of_line ();
+ }
+}
+
+static void
+s_alpha_mask (fp)
+ int fp;
+{
+ if (ECOFF_DEBUGGING)
+ {
+ if (fp)
+ ecoff_directive_fmask (0);
+ else
+ ecoff_directive_mask (0);
+ }
+ else
+ ignore_rest_of_line ();
+}
+
+static void
+s_alpha_frame (dummy)
+ int dummy;
+{
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_frame (0);
+ else
+ ignore_rest_of_line ();
+}
+
static void
s_alpha_prologue (ignore)
int ignore;
arg = get_absolute_expression ();
demand_empty_rest_of_line ();
- sym = ecoff_get_cur_proc_sym ();
+ if (ECOFF_DEBUGGING)
+ sym = ecoff_get_cur_proc_sym ();
+ else
+ sym = alpha_cur_ent_sym;
know (sym != NULL);
switch (arg)
}
}
-#endif
+static void
+s_alpha_coff_wrapper (which)
+ int which;
+{
+ static void (* const fns[]) PARAMS ((int)) = {
+ ecoff_directive_begin,
+ ecoff_directive_bend,
+ ecoff_directive_def,
+ ecoff_directive_dim,
+ ecoff_directive_endef,
+ ecoff_directive_file,
+ ecoff_directive_scl,
+ ecoff_directive_tag,
+ ecoff_directive_val,
+ ecoff_directive_loc,
+ };
+
+ assert (which >= 0 && which < sizeof(fns)/sizeof(*fns));
+
+ if (ECOFF_DEBUGGING)
+ (*fns[which])(0);
+ else
+ {
+ as_bad (_("ECOFF debugging is disabled."));
+ ignore_rest_of_line ();
+ }
+}
+#endif /* OBJ_ELF */
#ifdef OBJ_EVAX
{ "dtors", s_alpha_section, 5},
#endif
#ifdef OBJ_ELF
+ /* Frame related pseudos. */
+ {"ent", s_alpha_ent, 0},
+ {"end", s_alpha_end, 0},
+ {"mask", s_alpha_mask, 0},
+ {"fmask", s_alpha_mask, 1},
+ {"frame", s_alpha_frame, 0},
{"prologue", s_alpha_prologue, 0},
+ /* COFF debugging related pseudos. */
+ {"begin", s_alpha_coff_wrapper, 0},
+ {"bend", s_alpha_coff_wrapper, 1},
+ {"def", s_alpha_coff_wrapper, 2},
+ {"dim", s_alpha_coff_wrapper, 3},
+ {"endef", s_alpha_coff_wrapper, 4},
+ {"file", s_alpha_coff_wrapper, 5},
+ {"scl", s_alpha_coff_wrapper, 6},
+ {"tag", s_alpha_coff_wrapper, 7},
+ {"val", s_alpha_coff_wrapper, 8},
+ {"loc", s_alpha_coff_wrapper, 9},
#else
{"prologue", s_ignore, 0},
#endif
projects / binutils-gdb.git / commitdiff