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binutils-gdb
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* dwarf2dbg.c (dwarf2_gen_line_info): Early out for no line number. 

* config/obj-elf.h (ECOFF_DEBUGGING) [TC_ALPHA]: Adjust for
        tri-state definition of alpha_flag_mdebug.
        * config/tc-alpha.c (alpha_flag_mdebug): Init to -1.
        (s_alpha_file): Store first .file directive.
        (s_alpha_stab): New.
        (md_pseudo_table): Add stabs and stabn.
This commit is contained in:
Richard Henderson 2000-11-17 18:07:33 +00:00
parent 9d2e1bab9d
commit a8316fe296
4 changed files with 65 additions and 2 deletions
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10
gas/ChangeLog
View File

@ -1,3 +1,13 @@
2000-11-17 Richard Henderson <rth@redhat.com>
* dwarf2dbg.c (dwarf2_gen_line_info): Early out for no line number.
* config/obj-elf.h (ECOFF_DEBUGGING) [TC_ALPHA]: Adjust for
tri-state definition of alpha_flag_mdebug.
* config/tc-alpha.c (alpha_flag_mdebug): Init to -1.
(s_alpha_file): Store first .file directive.
(s_alpha_stab): New.
(md_pseudo_table): Add stabs and stabn.
2000-11-17 Richard Henderson <rth@redhat.com>
* config/tc-i386.c (md_assemble): Call dwarf2_emit_insn.

2
gas/config/obj-elf.h
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@ -42,7 +42,7 @@
#include "targ-cpu.h"
#ifdef TC_ALPHA
#define ECOFF_DEBUGGING alpha_flag_mdebug
#define ECOFF_DEBUGGING (alpha_flag_mdebug > 0)
extern int alpha_flag_mdebug;
#endif

51
gas/config/tc-alpha.c
View File

@ -248,6 +248,7 @@ static void s_alpha_frame PARAMS ((int));
static void s_alpha_prologue PARAMS ((int));
static void s_alpha_file PARAMS ((int));
static void s_alpha_loc PARAMS ((int));
static void s_alpha_stab PARAMS ((int));
static void s_alpha_coff_wrapper PARAMS ((int));
#endif
#ifdef OBJ_EVAX
@ -435,7 +436,7 @@ static int alpha_debug;
#ifdef OBJ_ELF
/* Whether we are emitting an mdebug section. */
int alpha_flag_mdebug = 1;
int alpha_flag_mdebug = -1;
#endif
/* Don't fully resolve relocations, allowing code movement in the linker. */
@ -4578,10 +4579,29 @@ s_alpha_prologue (ignore)
}
}
static char * first_file_directive;
static void
s_alpha_file (ignore)
int ignore ATTRIBUTE_UNUSED;
{
/* Save the first .file directive we see, so that we can change our
minds about whether ecoff debugging should or shouldn't be enabled. */
if (alpha_flag_mdebug < 0 && ! first_file_directive)
{
char *start = input_line_pointer;
size_t len;
discard_rest_of_line ();
len = input_line_pointer - start;
first_file_directive = xmalloc (len + 1);
memcpy (first_file_directive, start, len);
first_file_directive[len] = '\0';
input_line_pointer = start;
}
if (ECOFF_DEBUGGING)
ecoff_directive_file (0);
else
@ -4598,6 +4618,33 @@ s_alpha_loc (ignore)
dwarf2_directive_loc (0);
}
static void
s_alpha_stab (n)
int n;
{
/* If we've been undecided about mdebug, make up our minds in favour. */
if (alpha_flag_mdebug < 0)
{
segT sec = subseg_new(".mdebug", 0);
bfd_set_section_flags(stdoutput, sec, SEC_HAS_CONTENTS|SEC_READONLY);
bfd_set_section_alignment(stdoutput, sec, 3);
ecoff_read_begin_hook ();
if (first_file_directive)
{
char *save_ilp = input_line_pointer;
input_line_pointer = first_file_directive;
ecoff_directive_file (0);
input_line_pointer = save_ilp;
free (first_file_directive);
}
alpha_flag_mdebug = 1;
}
s_stab (n);
}
static void
s_alpha_coff_wrapper (which)
int which;
@ -5474,6 +5521,8 @@ const pseudo_typeS md_pseudo_table[] =
{"prologue", s_alpha_prologue, 0},
{"file", s_alpha_file, 5},
{"loc", s_alpha_loc, 9},
{"stabs", s_alpha_stab, 's'},
{"stabn", s_alpha_stab, 'n'},
/* COFF debugging related pseudos. */
{"begin", s_alpha_coff_wrapper, 0},
{"bend", s_alpha_coff_wrapper, 1},

4
gas/dwarf2dbg.c
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@ -444,6 +444,10 @@ dwarf2_gen_line_info (addr, l)
/* No filename, no filnum => no play. */
return;
/* Early out for as-yet incomplete location information. */
if (l->line == 0)
return;
/* Must save these before the subseg_new call, as that call will change
them. */
saved_seg = now_seg;