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gdb: Remove arm-symbianelf support

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Since it has gone from bfd/.

	* arm-symbian-tdep.c: Delete.
	* NEWS: Mention arm-symbian removal.
	* Makefile.in: Remove arm-symbian-tdep entries.
	* configure.tgt: Remove arm*-*-symbianelf*.
	* doc/gdb.texinfo: Remove mention of SymbianOS.
	* osabi.c (gdb_osabi_names): Remove "Symbian".
	* osabi.h (enum gdb_osabi): Remove GDB_OSABI_SYMBIAN.
	* testsuite/gdb.base/ending-run.exp: Remove E32Main handling.
	* testsuite/gdb.ada/catch_ex_std.exp: Remove arm*-*-symbianelf*
	handling.
	* testsuite/gdb.base/dup-sect.exp: Likewise.
	* testsuite/gdb.base/long_long.exp: Likewise.
	* testsuite/gdb.base/solib-weak.exp: Likewise.
	* testsuite/gdb.guile/scm-section-script.exp: Likewise.
	* testsuite/gdb.python/py-section-script.exp: Likewise.
	* testsuite/lib/dwarf.exp: Likewise.
	* testsuite/lib/gdb.exp: Likewise.
This commit is contained in:
Alan Modra 2021-02-10 12:38:47 +10:30
parent 933feaf37e
commit 18b8df43bd
17 changed files with 29 additions and 170 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
gdb/ChangeLog
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@ -1,3 +1,23 @@
2021-02-11 Alan Modra <amodra@gmail.com>
* arm-symbian-tdep.c: Delete.
* NEWS: Mention arm-symbian removal.
* Makefile.in: Remove arm-symbian-tdep entries.
* configure.tgt: Remove arm*-*-symbianelf*.
* doc/gdb.texinfo: Remove mention of SymbianOS.
* osabi.c (gdb_osabi_names): Remove "Symbian".
* osabi.h (enum gdb_osabi): Remove GDB_OSABI_SYMBIAN.
* testsuite/gdb.base/ending-run.exp: Remove E32Main handling.
* testsuite/gdb.ada/catch_ex_std.exp: Remove arm*-*-symbianelf*
handling.
* testsuite/gdb.base/dup-sect.exp: Likewise.
* testsuite/gdb.base/long_long.exp: Likewise.
* testsuite/gdb.base/solib-weak.exp: Likewise.
* testsuite/gdb.guile/scm-section-script.exp: Likewise.
* testsuite/gdb.python/py-section-script.exp: Likewise.
* testsuite/lib/dwarf.exp: Likewise.
* testsuite/lib/gdb.exp: Likewise.
2021-02-10 Andrew Burgess <andrew.burgess@embecosm.com>
* f-exp.y (UNOP_OR_BINOP_INTRINSIC): New token.

2
gdb/Makefile.in
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@ -730,7 +730,6 @@ ALL_TARGET_OBS = \
arm-netbsd-tdep.o \
arm-obsd-tdep.o \
arm-pikeos-tdep.o \
arm-symbian-tdep.o \
arm-tdep.o \
arm-wince-tdep.o \
avr-tdep.o \
@ -2168,7 +2167,6 @@ ALLDEPFILES = \
arm-netbsd-nat.c \
arm-netbsd-tdep.c \
arm-obsd-tdep.c \
arm-symbian-tdep.c \
arm-tdep.c \
avr-tdep.c \
bfin-linux-tdep.c \

4
gdb/NEWS
View File

@ -86,6 +86,10 @@ inferior [ID]
behavior of the command is unchanged and have the inferior ID become
the current inferior.
* Removed targets and native configurations
ARM Symbian arm*-*-symbianelf*
*** Changes in GDB 10
* There are new feature names for ARC targets: "org.gnu.gdb.arc.core"

132
gdb/arm-symbian-tdep.c
View File

@ -1,132 +0,0 @@
/* ARM Symbian OS target support.
Copyright (C) 2008-2021 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
#include "objfiles.h"
#include "osabi.h"
#include "solib.h"
#include "solib-target.h"
#include "target.h"
#include "elf-bfd.h"
/* If PC is in a DLL import stub, return the address of the `real'
function belonging to the stub. */
static CORE_ADDR
arm_symbian_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
{
struct gdbarch *gdbarch;
enum bfd_endian byte_order;
ULONGEST insn;
CORE_ADDR dest;
gdb_byte buf[4];
if (!in_plt_section (pc))
return 0;
if (target_read_memory (pc, buf, 4) != 0)
return 0;
gdbarch = get_frame_arch (frame);
byte_order = gdbarch_byte_order (gdbarch);
/* ldr pc, [pc, #-4]. */
insn = extract_unsigned_integer (buf, 4, byte_order);
if (insn != 0xe51ff004)
return 0;
if (target_read_memory (pc + 4, buf, 4) != 0)
return 0;
dest = extract_unsigned_integer (buf, 4, byte_order);
return gdbarch_addr_bits_remove (gdbarch, dest);
}
static void
arm_symbian_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
/* Shared library handling. */
set_gdbarch_skip_trampoline_code (gdbarch, arm_symbian_skip_trampoline_code);
/* On this target, the toolchain outputs ELF files, with `sym' for
filename extension (e.g., `FOO.sym'); these are post-linker
processed into PE-ish DLLs (e.g., `FOO.dll'), and it's these that
are actually copied to and run on the target. Naturally, when
listing shared libraries, Symbian stubs report the DLL filenames.
Setting this makes it so that GDB automatically looks for the
corresponding ELF files on the host's filesystem. */
set_gdbarch_solib_symbols_extension (gdbarch, "sym");
/* Canonical paths on this target look like `c:\sys\bin\bar.dll',
for example. */
set_gdbarch_has_dos_based_file_system (gdbarch, 1);
set_solib_ops (gdbarch, &solib_target_so_ops);
}
/* Recognize Symbian object files. */
static enum gdb_osabi
arm_symbian_osabi_sniffer (bfd *abfd)
{
Elf_Internal_Phdr *phdrs;
long phdrs_size;
int num_phdrs, i;
/* Symbian executables are always shared objects (ET_DYN). */
if (elf_elfheader (abfd)->e_type == ET_EXEC)
return GDB_OSABI_UNKNOWN;
if (elf_elfheader (abfd)->e_ident[EI_OSABI] != ELFOSABI_NONE)
return GDB_OSABI_UNKNOWN;
/* Check for the ELF headers not being part of any PT_LOAD segment.
Symbian is the only GDB supported (or GNU binutils supported) ARM
target which uses a postlinker to flatten ELF files, dropping the
ELF dynamic info in the process. */
phdrs_size = bfd_get_elf_phdr_upper_bound (abfd);
if (phdrs_size == -1)
return GDB_OSABI_UNKNOWN;
phdrs = (Elf_Internal_Phdr *) alloca (phdrs_size);
num_phdrs = bfd_get_elf_phdrs (abfd, phdrs);
if (num_phdrs == -1)
return GDB_OSABI_UNKNOWN;
for (i = 0; i < num_phdrs; i++)
if (phdrs[i].p_type == PT_LOAD && phdrs[i].p_offset == 0)
return GDB_OSABI_UNKNOWN;
/* Looks like a Symbian binary. */
return GDB_OSABI_SYMBIAN;
}
void _initialize_arm_symbian_tdep ();
void
_initialize_arm_symbian_tdep ()
{
gdbarch_register_osabi_sniffer (bfd_arch_arm,
bfd_target_elf_flavour,
arm_symbian_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_SYMBIAN,
arm_symbian_init_abi);
}

6
gdb/configure.tgt
View File

@ -184,10 +184,6 @@ arm*-*-openbsd*)
# Target: OpenBSD/arm
gdb_target_obs="arm-bsd-tdep.o arm-obsd-tdep.o"
;;
arm*-*-symbianelf*)
# Target: SymbianOS/arm
gdb_target_obs="arm-symbian-tdep.o"
;;
arm*-*-*)
# Target: ARM embedded system
gdb_target_obs="arm-pikeos-tdep.o"
@ -787,8 +783,6 @@ m68*-*-openbsd* | m88*-*-openbsd* | vax-*-openbsd*) ;;
*-*-mingw*) gdb_osabi=GDB_OSABI_WINDOWS ;;
*-*-cygwin*) gdb_osabi=GDB_OSABI_CYGWIN ;;
*-*-dicos*) gdb_osabi=GDB_OSABI_DICOS ;;
*-*-symbianelf*)
gdb_osabi=GDB_OSABI_SYMBIAN ;;
powerpc-*-aix* | rs6000-*-* | powerpc64-*-aix*)
gdb_osabi=GDB_OSABI_AIX ;;
esac

4
gdb/doc/gdb.texinfo
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@ -20850,8 +20850,8 @@ to specify a local system root using a directory that happens to be
named @file{target:} or @file{remote:}, you need to use some
equivalent variant of the name like @file{./target:}.
For targets with an MS-DOS based filesystem, such as MS-Windows and
SymbianOS, @value{GDBN} tries prefixing a few variants of the target
For targets with an MS-DOS based filesystem, such as MS-Windows,
@value{GDBN} tries prefixing a few variants of the target
absolute file name with @var{path}. But first, on Unix hosts,
@value{GDBN} converts all backslash directory separators into forward
slashes, because the backslash is not a directory separator on Unix:

1
gdb/osabi.c
View File

@ -77,7 +77,6 @@ static const struct osabi_names gdb_osabi_names[] =
{ "AIX", NULL },
{ "DICOS", NULL },
{ "Darwin", NULL },
{ "Symbian", NULL },
{ "OpenVMS", NULL },
{ "LynxOS178", NULL },
{ "Newlib", NULL },

1
gdb/osabi.h
View File

@ -41,7 +41,6 @@ enum gdb_osabi
GDB_OSABI_AIX,
GDB_OSABI_DICOS,
GDB_OSABI_DARWIN,
GDB_OSABI_SYMBIAN,
GDB_OSABI_OPENVMS,
GDB_OSABI_LYNXOS178,
GDB_OSABI_NEWLIB,

3
gdb/testsuite/gdb.ada/catch_ex_std.exp
View File

@ -36,8 +36,7 @@ if {[gdb_compile_shlib $srcfile2 $sofile {ada debug}] != ""} {
# Set linkarg such that the executable can find the shared library.
if {[istarget "*-*-mingw*"]
|| [istarget *-*-cygwin*]
|| [istarget *-*-pe*]
|| [istarget arm*-*-symbianelf*]} {
|| [istarget *-*-pe*]} {
# Do not need anything.
set linkarg ""
} elseif {[istarget *-*-freebsd*] || [istarget *-*-openbsd*]} {

1
gdb/testsuite/gdb.base/dup-sect.exp
View File

@ -28,7 +28,6 @@ if {![istarget *-*-linux*]
&& ![istarget *-*-gnu*]
&& ![istarget *-*-elf*]
&& ![istarget arm*-*-eabi*]
&& ![istarget arm*-*-symbianelf*]
&& ![istarget powerpc-*-eabi*]} {
return 0
}

4
gdb/testsuite/gdb.base/ending-run.exp
View File

@ -189,10 +189,6 @@ gdb_test_multiple "next" "step out of main" {
# another `next' is necessary.
gdb_test "next" ".*in start_l ().*" "step out of main"
}
-re "E32Main (.*).*$gdb_prompt $" {
# On SymbianOS there's a different function which calls main.
pass "step out of main"
}
-re ".*in.*currently asm.*$gdb_prompt $" {
pass "step out of main"
}

3
gdb/testsuite/gdb.base/long_long.exp
View File

@ -156,8 +156,7 @@ if { $sizeof_double == 8 || $sizeof_long_double == 8 } {
if { ([istarget "arm*-*-*"]) \
&& !([istarget "*-*-*eabi*"] || \
[istarget "*-*-mingw32ce*"] || \
[istarget "*-*-openbsd*"] || \
[istarget "*-*-symbianelf"]) } then {
[istarget "*-*-openbsd*"]) } then {
# assume the long long represents a floating point double in ARM format
gdb_test "p/f val.oct" "2.1386676354387559e\\+265"
} else {

3
gdb/testsuite/gdb.base/solib-weak.exp
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@ -22,8 +22,7 @@ if {[skip_shlib_tests]} {
}
# These targets have shared libraries, but weak symbols are not meaningful.
if {([istarget arm*-*-symbianelf*]
|| [istarget *-*-mingw*]
if {([istarget *-*-mingw*]
|| [istarget *-*-cygwin*]
|| [istarget *-*-pe*])} {
return 0

1
gdb/testsuite/gdb.guile/scm-section-script.exp
View File

@ -23,7 +23,6 @@ if {![istarget *-*-linux*]
&& ![istarget *-*-elf*]
&& ![istarget *-*-openbsd*]
&& ![istarget arm*-*-eabi*]
&& ![istarget arm*-*-symbianelf*]
&& ![istarget powerpc-*-eabi*]} {
verbose "Skipping scm-section-script.exp because of lack of support."
return

1
gdb/testsuite/gdb.python/py-section-script.exp
View File

@ -23,7 +23,6 @@ if {![istarget *-*-linux*]
&& ![istarget *-*-elf*]
&& ![istarget *-*-openbsd*]
&& ![istarget arm*-*-eabi*]
&& ![istarget arm*-*-symbianelf*]
&& ![istarget powerpc-*-eabi*]} {
verbose "Skipping py-section-script.exp because of lack of support."
return

1
gdb/testsuite/lib/dwarf.exp
View File

@ -21,7 +21,6 @@ proc dwarf2_support {} {
|| [istarget *-*-elf*]
|| [istarget *-*-openbsd*]
|| [istarget arm*-*-eabi*]
|| [istarget arm*-*-symbianelf*]
|| [istarget powerpc-*-eabi*]} {
return 1
}

12
gdb/testsuite/lib/gdb.exp
View File

@ -2133,12 +2133,6 @@ proc skip_cplus_tests {} {
# Return a 1 for configurations for which don't have both C++ and the STL.
proc skip_stl_tests {} {
# Symbian supports the C++ language, but the STL is missing
# (both headers and libraries).
if { [istarget "arm*-*-symbianelf*"] } {
return 1
}
return [skip_cplus_tests]
}
@ -2236,7 +2230,6 @@ proc skip_shlib_tests {} {
if {([istarget *-*-linux*]
|| [istarget *-*-*bsd*]
|| [istarget *-*-solaris2*]
|| [istarget arm*-*-symbianelf*]
|| [istarget *-*-mingw*]
|| [istarget *-*-cygwin*]
|| [istarget *-*-pe*])} {
@ -4153,10 +4146,6 @@ proc gdb_compile {source dest type options} {
# Do not need anything.
} elseif { [istarget *-*-freebsd*] || [istarget *-*-openbsd*] } {
lappend new_options "ldflags=-Wl,-rpath,${outdir}"
} elseif { [istarget arm*-*-symbianelf*] } {
if { $shlib_load } {
lappend new_options "libs=-ldl"
}
} else {
if { $shlib_load } {
lappend new_options "libs=-ldl"
@ -6199,7 +6188,6 @@ gdb_caching_proc gdb_has_argv0 {
|| [istarget *-*-cygwin*] || [istarget *-*-mingw32*]
|| [istarget *-*-*djgpp*] || [istarget *-*-go32*]
|| [istarget *-wince-pe] || [istarget *-*-mingw32ce*]
|| [istarget *-*-symbianelf*]
|| [istarget *-*-osf*]
|| [istarget *-*-dicos*]
|| [istarget *-*-nto*]