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From: Martin Liska <marxin@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/marxin/heads/stabs-removal)] WIP parts 1.
Date: Thu, 25 Aug 2022 06:53:40 +0000 (GMT) [thread overview]
Message-ID: <20220825065340.AB7DB385356C@sourceware.org> (raw)
https://gcc.gnu.org/g:3b8f87feae73da80562ca7981c99378034774a86
commit 3b8f87feae73da80562ca7981c99378034774a86
Author: Martin Liska <mliska@suse.cz>
Date: Wed Aug 24 15:04:37 2022 +0200
WIP parts 1.
Diff:
---
gcc/common.opt | 10 +---------
gcc/final.cc | 40 ----------------------------------------
gcc/flag-types.h | 17 +++++++----------
gcc/gcc.cc | 24 +-----------------------
gcc/opts.cc | 10 +---------
gcc/toplev.cc | 9 ---------
6 files changed, 10 insertions(+), 100 deletions(-)
diff --git a/gcc/common.opt b/gcc/common.opt
index fba90ff6dcb..1e2dc144520 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -3323,7 +3323,7 @@ Common Driver JoinedOrMissing Negative(gdwarf-)
Generate debug information in default version of DWARF format.
gdwarf-
-Common Driver Joined UInteger Var(dwarf_version) Init(5) Negative(gstabs)
+Common Driver Joined UInteger Var(dwarf_version) Init(5)
Generate debug information in DWARF v2 (or later) format.
gdwarf32
@@ -3370,14 +3370,6 @@ gsplit-dwarf
Common Driver Var(dwarf_split_debug_info) Init(0)
Generate debug information in separate .dwo files.
-gstabs
-Common Driver JoinedOrMissing Negative(gstabs+)
-Generate debug information in STABS format.
-
-gstabs+
-Common Driver JoinedOrMissing Negative(gvms)
-Generate debug information in extended STABS format.
-
gstatement-frontiers
Common Driver Var(debug_nonbind_markers_p) PerFunction
Emit progressive recommended breakpoint locations.
diff --git a/gcc/final.cc b/gcc/final.cc
index 0352786e49b..f58a90c2833 100644
--- a/gcc/final.cc
+++ b/gcc/final.cc
@@ -89,10 +89,6 @@ along with GCC; see the file COPYING3. If not see
#include "dwarf2out.h"
-#ifdef DBX_DEBUGGING_INFO
-#include "dbxout.h"
-#endif
-
/* Most ports don't need to define CC_STATUS_INIT.
So define a null default for it to save conditionalization later. */
#ifndef CC_STATUS_INIT
@@ -2324,19 +2320,6 @@ final_scan_insn_1 (rtx_insn *insn, FILE *file, int optimize_p ATTRIBUTE_UNUSED,
TREE_ASM_WRITTEN (NOTE_BLOCK (insn)) = 1;
BLOCK_IN_COLD_SECTION_P (NOTE_BLOCK (insn)) = in_cold_section_p;
}
- if (write_symbols == DBX_DEBUG)
- {
- location_t *locus_ptr
- = block_nonartificial_location (NOTE_BLOCK (insn));
-
- if (locus_ptr != NULL)
- {
- override_filename = LOCATION_FILE (*locus_ptr);
- override_linenum = LOCATION_LINE (*locus_ptr);
- override_columnnum = LOCATION_COLUMN (*locus_ptr);
- override_discriminator = compute_discriminator (*locus_ptr);
- }
- }
break;
case NOTE_INSN_BLOCK_END:
@@ -2359,27 +2342,6 @@ final_scan_insn_1 (rtx_insn *insn, FILE *file, int optimize_p ATTRIBUTE_UNUSED,
gcc_assert (BLOCK_IN_COLD_SECTION_P (NOTE_BLOCK (insn))
== in_cold_section_p);
}
- if (write_symbols == DBX_DEBUG)
- {
- tree outer_block = BLOCK_SUPERCONTEXT (NOTE_BLOCK (insn));
- location_t *locus_ptr
- = block_nonartificial_location (outer_block);
-
- if (locus_ptr != NULL)
- {
- override_filename = LOCATION_FILE (*locus_ptr);
- override_linenum = LOCATION_LINE (*locus_ptr);
- override_columnnum = LOCATION_COLUMN (*locus_ptr);
- override_discriminator = compute_discriminator (*locus_ptr);
- }
- else
- {
- override_filename = NULL;
- override_linenum = 0;
- override_columnnum = 0;
- override_discriminator = 0;
- }
- }
break;
case NOTE_INSN_DELETED_LABEL:
@@ -4304,8 +4266,6 @@ rest_of_handle_final (void)
if (! quiet_flag)
fflush (asm_out_file);
- /* Write DBX symbols if requested. */
-
/* Note that for those inline functions where we don't initially
know for certain that we will be generating an out-of-line copy,
the first invocation of this routine (rest_of_compilation) will
diff --git a/gcc/flag-types.h b/gcc/flag-types.h
index a11f99af887..ceb84d9473f 100644
--- a/gcc/flag-types.h
+++ b/gcc/flag-types.h
@@ -24,20 +24,17 @@ along with GCC; see the file COPYING3. If not see
enum debug_info_type
{
- DINFO_TYPE_NONE = 0, /* No debug info. */
- DINFO_TYPE_DBX = 1, /* BSD .stabs for DBX. */
- DINFO_TYPE_DWARF2 = 2, /* Dwarf v2 debug info. */
- DINFO_TYPE_XCOFF = 3, /* IBM/Xcoff debug info. */
- DINFO_TYPE_VMS = 4, /* VMS debug info. */
- DINFO_TYPE_CTF = 5, /* CTF debug info. */
- DINFO_TYPE_BTF = 6, /* BTF debug info. */
- DINFO_TYPE_BTF_WITH_CORE = 7, /* BTF debug info with CO-RE relocations. */
+ DINFO_TYPE_NONE, /* No debug info. */
+ DINFO_TYPE_DWARF2, /* Dwarf v2 debug info. */
+ DINFO_TYPE_XCOFF, /* IBM/Xcoff debug info. */
+ DINFO_TYPE_VMS, /* VMS debug info. */
+ DINFO_TYPE_CTF, /* CTF debug info. */
+ DINFO_TYPE_BTF, /* BTF debug info. */
+ DINFO_TYPE_BTF_WITH_CORE, /* BTF debug info with CO-RE relocations. */
DINFO_TYPE_MAX = DINFO_TYPE_BTF_WITH_CORE /* Marker only. */
};
#define NO_DEBUG (0U)
-/* Write DBX debug info (using dbxout.cc). */
-#define DBX_DEBUG (1U << DINFO_TYPE_DBX)
/* Write DWARF2 debug info (using dwarf2out.cc). */
#define DWARF2_DEBUG (1U << DINFO_TYPE_DWARF2)
/* Write IBM/XCOFF debug info (using dbxout.cc). */
diff --git a/gcc/gcc.cc b/gcc/gcc.cc
index b6d562a92f0..c1f084bdf6b 100644
--- a/gcc/gcc.cc
+++ b/gcc/gcc.cc
@@ -927,26 +927,11 @@ proper position among the other output files. */
# else
# define ASM_DEBUG_DWARF_OPTION "--gdwarf2"
# endif
-# if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \
- && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC \
- (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
- ? "%{%:debug-level-gt(0):" \
- "%{gdwarf*:" ASM_DEBUG_DWARF_OPTION "};" \
- ":%{g*:--gstabs}}" ASM_MAP \
- : "%{%:debug-level-gt(0):" \
- "%{gstabs*:--gstabs;" \
- ":%{g*:" ASM_DEBUG_DWARF_OPTION "}}}" ASM_MAP)
-# else
-# if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gstabs}}" ASM_MAP
-# endif
# if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG)
# define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):" \
ASM_DEBUG_DWARF_OPTION "}}" ASM_MAP
# endif
# endif
-#endif
#ifndef ASM_DEBUG_SPEC
# define ASM_DEBUG_SPEC ""
#endif
@@ -960,14 +945,7 @@ proper position among the other output files. */
"%:dwarf-version-gt(3):--gdwarf-4 ;" \
"%:dwarf-version-gt(2):--gdwarf-3 ;" \
":--gdwarf2 }"
-# if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO)
-# define ASM_DEBUG_OPTION_SPEC \
- (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
- ? "%{%:debug-level-gt(0):" \
- "%{gdwarf*:" ASM_DEBUG_OPTION_DWARF_OPT "}}" \
- : "%{%:debug-level-gt(0):" \
- "%{!gstabs*:%{g*:" ASM_DEBUG_OPTION_DWARF_OPT "}}}")
-# elif defined(DWARF2_DEBUGGING_INFO)
+# if defined(DWARF2_DEBUGGING_INFO)
# define ASM_DEBUG_OPTION_SPEC "%{g*:%{%:debug-level-gt(0):" \
ASM_DEBUG_OPTION_DWARF_OPT "}}"
# endif
diff --git a/gcc/opts.cc b/gcc/opts.cc
index 54e57f36755..ed61626a50f 100644
--- a/gcc/opts.cc
+++ b/gcc/opts.cc
@@ -53,7 +53,7 @@ const char *const debug_type_names[] =
static uint32_t debug_type_masks[] =
{
- NO_DEBUG, DBX_DEBUG, DWARF2_DEBUG, XCOFF_DEBUG, VMS_DEBUG,
+ NO_DEBUG, DWARF2_DEBUG, XCOFF_DEBUG, VMS_DEBUG,
CTF_DEBUG, BTF_DEBUG
};
@@ -3145,12 +3145,6 @@ common_handle_option (struct gcc_options *opts,
set_debug_level (NO_DEBUG, 2, arg, opts, opts_set, loc);
break;
- case OPT_gstabs:
- case OPT_gstabs_:
- set_debug_level (DBX_DEBUG, code == OPT_gstabs_, arg, opts, opts_set,
- loc);
- break;
-
case OPT_gvms:
set_debug_level (VMS_DEBUG, false, arg, opts, opts_set, loc);
break;
@@ -3378,8 +3372,6 @@ set_debug_level (uint32_t dinfo, int extended, const char *arg,
opts->x_write_symbols |= DWARF2_DEBUG;
else
opts->x_write_symbols = DWARF2_DEBUG;
-#elif defined DBX_DEBUGGING_INFO
- opts->x_write_symbols = DBX_DEBUG;
#endif
}
diff --git a/gcc/toplev.cc b/gcc/toplev.cc
index 61d234a9ef4..55fff0270e3 100644
--- a/gcc/toplev.cc
+++ b/gcc/toplev.cc
@@ -1417,17 +1417,8 @@ process_options (bool no_backend)
&& ctf_debug_info_level == CTFINFO_LEVEL_NONE)
write_symbols = NO_DEBUG;
- /* Warn if STABS debug gets enabled and is not the default. */
- if (PREFERRED_DEBUGGING_TYPE != DBX_DEBUG && (write_symbols & DBX_DEBUG))
- warning (0, "STABS debugging information is obsolete and not "
- "supported anymore");
-
if (write_symbols == NO_DEBUG)
;
-#if defined(DBX_DEBUGGING_INFO)
- else if (write_symbols == DBX_DEBUG)
- debug_hooks = &dbx_debug_hooks;
-#endif
#if defined(XCOFF_DEBUGGING_INFO)
else if (write_symbols == XCOFF_DEBUG)
debug_hooks = &xcoff_debug_hooks;
next reply other threads:[~2022-08-25 6:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-25 6:53 Martin Liska [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-08-24 14:26 Martin Liska
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