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re PR debug/21889 (Native Solaris assembler cannot grok DTP-relative debug symbols)

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PR target/21889
	* target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
	* target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
	(TARGET_ASM_OUT): Add it.
	* doc/tm.texi (Debugging Info): Document it.
	* dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
	Test it instead of ASM_OUTPUT_DWARF_DTPREL.
	(loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
	* system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
	* config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
	* config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
	(gen_inlined_tls_plt): Remove unused variable MEM.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
	* config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
	* config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
	* config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
	* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
	* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
	* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
	* config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
	* config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
	(TARGET_GNU_TLS): Define to 1.
	* config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
	* config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
	if TARGET_GNU_TLS only.
	* config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.

	* config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
	(sparc-*-solaris2*): Likewise on Solaris 7 and up.

From-SVN: r100742
This commit is contained in:
Eric Botcazou 2005-06-08 07:05:45 +02:00 committed by Eric Botcazou
parent 4280a26f32
commit fdbe66f28c
27 changed files with 149 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
gcc/ChangeLog
View File

@ -1,3 +1,51 @@
2005-06-08 Eric Botcazou <ebotcazou@libertysurf.fr>
PR target/21889
* target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
* target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
(TARGET_ASM_OUT): Add it.
* doc/tm.texi (Debugging Info): Document it.
* dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
Test it instead of ASM_OUTPUT_DWARF_DTPREL.
(loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
* system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
* config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
* config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
(gen_inlined_tls_plt): Remove unused variable MEM.
(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
* config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
* config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
* config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
unused.
(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
* config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
* config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
unused.
(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
* config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
unused.
(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
* config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
* config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
unused.
(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
* config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
* config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
(TARGET_GNU_TLS): Define to 1.
* config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
* config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
unused.
(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
if TARGET_GNU_TLS only.
* config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
* config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
(sparc-*-solaris2*): Likewise on Solaris 7 and up.
2005-06-07 Dale Johannesen <dalej@apple.com>
* config/i386/i386.md (movqi_1): Fix case where source

6
gcc/config.gcc
View File

@ -2021,13 +2021,14 @@ sparc-*-rtems*)
extra_parts="crti.o crtn.o crtbegin.o crtend.o"
;;
sparc64-*-solaris2* | sparcv9-*-solaris2*)
tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/sol2-64.h sparc/sol2-bi.h tm-dwarf2.h"
tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/sol2-64.h sparc/sol2-bi.h"
if test x$gnu_ld = xyes; then
tm_file="${tm_file} sparc/sol2-gld.h sparc/sol2-gld-bi.h"
fi
if test x$gas = xyes; then
tm_file="${tm_file} sparc/sol2-gas.h sparc/sol2-gas-bi.h"
fi
tm_file="${tm_file} tm-dwarf2.h"
tmake_file="t-sol2 sparc/t-sol2 sparc/t-sol2-64 sparc/t-crtfm"
if test x$gnu_ld = xyes; then
tmake_file="$tmake_file t-slibgcc-elf-ver"
@ -2071,13 +2072,14 @@ sparc-*-solaris2*)
fi
;;
*-*-solaris2.[789] | *-*-solaris2.1[0-9]*)
tm_file="sparc/biarch64.h ${tm_file} sparc/sol2-bi.h tm-dwarf2.h"
tm_file="sparc/biarch64.h ${tm_file} sparc/sol2-bi.h"
if test x$gnu_ld = xyes; then
tm_file="${tm_file} sparc/sol2-gld-bi.h"
fi
if test x$gas = xyes; then
tm_file="${tm_file} sparc/sol2-gas-bi.h"
fi
tm_file="${tm_file} tm-dwarf2.h"
tmake_file="$tmake_file sparc/t-sol2-64"
need_64bit_hwint=yes
;;

1
gcc/config/frv/frv-protos.h
View File

@ -204,7 +204,6 @@ extern int accg_operand (rtx, enum machine_mode);
extern rtx frv_matching_accg_for_acc (rtx);
extern void frv_expand_fdpic_call (rtx *, bool, bool);
extern rtx frv_gen_GPsym2reg (rtx, rtx);
extern void frv_output_dwarf_dtprel (FILE *, int, rtx);
extern int frv_legitimate_memory_operand (rtx, enum machine_mode, int);
/* Information about a relocation unspec. SYMBOL is the relocation symbol

13
gcc/config/frv/frv.c
View File

@ -353,6 +353,8 @@ static rtx frv_struct_value_rtx (tree, int);
static bool frv_must_pass_in_stack (enum machine_mode mode, tree type);
static int frv_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode,
tree, bool);
static void frv_output_dwarf_dtprel (FILE *, int, rtx)
ATTRIBUTE_UNUSED;
/* Allow us to easily change the default for -malloc-cc. */
#ifndef DEFAULT_NO_ALLOC_CC
@ -426,6 +428,11 @@ static int frv_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode,
#undef TARGET_MACHINE_DEPENDENT_REORG
#define TARGET_MACHINE_DEPENDENT_REORG frv_reorg
#if HAVE_AS_TLS
#undef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL frv_output_dwarf_dtprel
#endif
struct gcc_target targetm = TARGET_INITIALIZER;
#define FRV_SYMBOL_REF_TLS_P(RTX) \
@ -3415,7 +3422,7 @@ frv_legitimate_address_p (enum machine_mode mode,
static rtx
gen_inlined_tls_plt (rtx addr)
{
rtx mem, retval, dest;
rtx retval, dest;
rtx picreg = get_hard_reg_initial_val (Pmode, FDPIC_REG);
@ -9098,10 +9105,10 @@ frv_struct_value_rtx (tree fntype ATTRIBUTE_UNUSED,
#define TLS_BIAS (2048 - 16)
/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
void
static void
frv_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
gcc_assert (size == 4);

7
gcc/config/frv/frv.h
View File

@ -2361,13 +2361,6 @@ do { \
assemble_name (STREAM, LABEL); \
} while (0)
#if HAVE_AS_TLS
/* Emit a dtp-relative reference to a TLS variable. */
#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
frv_output_dwarf_dtprel ((FILE), (SIZE), (X))
#endif
/* Whether to emit the gas specific dwarf2 line number support. */
#define DWARF2_ASM_LINE_DEBUG_INFO (TARGET_DEBUG_LOC)

2
gcc/config/i386/i386-protos.h
View File

@ -120,8 +120,6 @@ extern const char *output_387_reg_move (rtx, rtx*);
extern const char *output_fix_trunc (rtx, rtx*, int);
extern const char *output_fp_compare (rtx, rtx*, int, int);
extern void i386_output_dwarf_dtprel (FILE*, int, rtx);
extern void ix86_expand_clear (rtx);
extern void ix86_expand_move (enum machine_mode, rtx[]);
extern void ix86_expand_vector_move (enum machine_mode, rtx[]);

11
gcc/config/i386/i386.c
View File

@ -866,6 +866,8 @@ static int ix86_address_cost (rtx);
static bool ix86_cannot_force_const_mem (rtx);
static rtx ix86_delegitimize_address (rtx);
static void i386_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
struct builtin_description;
static rtx ix86_expand_sse_comi (const struct builtin_description *,
tree, rtx);
@ -1061,6 +1063,11 @@ static void init_ext_80387_constants (void);
#undef TARGET_VECTOR_MODE_SUPPORTED_P
#define TARGET_VECTOR_MODE_SUPPORTED_P ix86_vector_mode_supported_p
#ifdef HAVE_AS_TLS
#undef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL i386_output_dwarf_dtprel
#endif
#ifdef SUBTARGET_INSERT_ATTRIBUTES
#undef TARGET_INSERT_ATTRIBUTES
#define TARGET_INSERT_ATTRIBUTES SUBTARGET_INSERT_ATTRIBUTES
@ -6107,10 +6114,10 @@ output_pic_addr_const (FILE *file, rtx x, int code)
}
}
/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
void
static void
i386_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
fputs (ASM_LONG, file);

7
gcc/config/i386/i386.h
View File

@ -2071,13 +2071,6 @@ do { \
#define JUMP_TABLES_IN_TEXT_SECTION \
(!TARGET_64BIT && flag_pic && !HAVE_AS_GOTOFF_IN_DATA)
/* Emit a dtp-relative reference to a TLS variable. */
#ifdef HAVE_AS_TLS
#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
i386_output_dwarf_dtprel (FILE, SIZE, X)
#endif
/* Switch to init or fini section via SECTION_OP, emit a call to FUNC,
and switch back. For x86 we do this only to save a few bytes that
would otherwise be unused in the text section. */

1
gcc/config/ia64/ia64-protos.h
View File

@ -68,7 +68,6 @@ extern void ia64_print_operand (FILE *, rtx, int);
extern enum reg_class ia64_preferred_reload_class (rtx, enum reg_class);
extern enum reg_class ia64_secondary_reload_class (enum reg_class,
enum machine_mode, rtx);
extern void ia64_output_dwarf_dtprel (FILE*, int, rtx);
extern void process_for_unwind_directive (FILE *, rtx);
extern const char *get_bundle_name (int);
#endif /* RTX_CODE */

11
gcc/config/ia64/ia64.c
View File

@ -232,6 +232,8 @@ static void ia64_file_start (void);
static void ia64_select_rtx_section (enum machine_mode, rtx,
unsigned HOST_WIDE_INT);
static void ia64_output_dwarf_dtprel (FILE *, int, rtx)
ATTRIBUTE_UNUSED;
static void ia64_rwreloc_select_section (tree, int, unsigned HOST_WIDE_INT)
ATTRIBUTE_UNUSED;
static void ia64_rwreloc_unique_section (tree, int)
@ -369,6 +371,11 @@ static const struct attribute_spec ia64_attribute_table[] =
#undef TARGET_SECTION_TYPE_FLAGS
#define TARGET_SECTION_TYPE_FLAGS ia64_section_type_flags
#ifdef HAVE_AS_TLS
#undef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL ia64_output_dwarf_dtprel
#endif
/* ??? ABI doesn't allow us to define this. */
#if 0
#undef TARGET_PROMOTE_FUNCTION_ARGS
@ -4151,10 +4158,10 @@ ia64_function_value (tree valtype, tree func ATTRIBUTE_UNUSED)
}
}
/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
void
static void
ia64_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
gcc_assert (size == 8);

7
gcc/config/ia64/ia64.h
View File

@ -1733,13 +1733,6 @@ do { \
{ "loc79", LOC_REG (79) }, \
}
/* Emit a dtp-relative reference to a TLS variable. */
#ifdef HAVE_AS_TLS
#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
ia64_output_dwarf_dtprel (FILE, SIZE, X)
#endif
/* A C compound statement to output to stdio stream STREAM the assembler syntax
for an instruction operand X. X is an RTL expression. */

1
gcc/config/rs6000/rs6000-protos.h
View File

@ -153,7 +153,6 @@ extern int rs6000_register_move_cost (enum machine_mode,
enum reg_class, enum reg_class);
extern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int);
extern bool rs6000_tls_referenced_p (rtx);
extern void rs6000_output_dwarf_dtprel (FILE*, int, rtx);
extern int rs6000_hard_regno_nregs (int, enum machine_mode);
extern void rs6000_conditional_register_usage (void);

10
gcc/config/rs6000/rs6000.c
View File

@ -683,6 +683,7 @@ int easy_vector_constant (rtx, enum machine_mode);
static bool rs6000_is_opaque_type (tree);
static rtx rs6000_dwarf_register_span (rtx);
static rtx rs6000_legitimize_tls_address (rtx, enum tls_model);
static void rs6000_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
static rtx rs6000_tls_get_addr (void);
static rtx rs6000_got_sym (void);
static int rs6000_tls_symbol_ref_1 (rtx *, void *);
@ -982,6 +983,11 @@ static const char alt_reg_names[][8] =
#undef TARGET_RELAXED_ORDERING
#define TARGET_RELAXED_ORDERING true
#ifdef HAVE_AS_TLS
#undef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL rs6000_output_dwarf_dtprel
#endif
struct gcc_target targetm = TARGET_INITIALIZER;
@ -2730,10 +2736,10 @@ rs6000_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
return NULL_RTX;
}
/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
void
static void
rs6000_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
switch (size)

7
gcc/config/rs6000/rs6000.h
View File

@ -150,13 +150,6 @@
#define TARGET_32BIT (! TARGET_64BIT)
/* Emit a dtp-relative reference to a TLS variable. */
#ifdef HAVE_AS_TLS
#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
rs6000_output_dwarf_dtprel (FILE, SIZE, X)
#endif
#ifndef HAVE_AS_TLS
#define HAVE_AS_TLS 0
#endif

1
gcc/config/s390/s390-protos.h
View File

@ -88,7 +88,6 @@ extern void s390_output_pool_entry (rtx, enum machine_mode, unsigned int);
extern void s390_trampoline_template (FILE *);
extern void s390_initialize_trampoline (rtx, rtx, rtx);
extern rtx s390_gen_rtx_const_DI (int, int);
extern void s390_output_dwarf_dtprel (FILE*, int, rtx);
extern int s390_agen_dep_p (rtx, rtx);
extern rtx s390_load_got (void);
extern void s390_emit_tpf_eh_return (rtx);

11
gcc/config/s390/s390.c
View File

@ -3561,10 +3561,12 @@ s390_expand_addcc (enum rtx_code cmp_code, rtx cmp_op0, rtx cmp_op1,
}
/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
void
static void s390_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
static void
s390_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
switch (size)
@ -8285,6 +8287,11 @@ s390_reorg (void)
#undef TARGET_INSN_VALID_WITHIN_DOLOOP
#define TARGET_INSN_VALID_WITHIN_DOLOOP hook_bool_rtx_true
#ifdef HAVE_AS_TLS
#undef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL s390_output_dwarf_dtprel
#endif
struct gcc_target targetm = TARGET_INITIALIZER;
#include "gt-s390.h"

7
gcc/config/s390/s390.h
View File

@ -918,13 +918,6 @@ extern int flag_pic;
"%ap", "%cc", "%fp", "%rp", "%a0", "%a1" \
}
/* Emit a dtp-relative reference to a TLS variable. */
#ifdef HAVE_AS_TLS
#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
s390_output_dwarf_dtprel (FILE, SIZE, X)
#endif
/* Print operand X (an rtx) in assembler syntax to file FILE. */
#define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE)
#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR)

8
gcc/config/sparc/sol2-gas.h
View File

@ -3,3 +3,11 @@
/* Undefine this so that BNSYM/ENSYM pairs are emitted by STABS+. */
#undef NO_DBX_BNSYM_ENSYM
/* Use GNU extensions to TLS support. */
#ifdef HAVE_AS_TLS
#undef TARGET_SUN_TLS
#undef TARGET_GNU_TLS
#define TARGET_SUN_TLS 0
#define TARGET_GNU_TLS 1
#endif

2
gcc/config/sparc/sol2.h
View File

@ -72,7 +72,7 @@ Boston, MA 02111-1307, USA. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM))
/* The native TLS-enabled assembler requires the directive #tls_object
to be put on objects in TLS sections (as of v7.1). This is not

1
gcc/config/sparc/sparc-protos.h
View File

@ -114,7 +114,6 @@ extern int v9_regcmp_p (enum rtx_code);
extern int sparc_check_64 (rtx, rtx);
extern rtx gen_df_reg (rtx, int);
extern int sparc_extra_constraint_check (rtx, int, int);
extern void sparc_output_dwarf_dtprel (FILE*, int, rtx);
#endif /* RTX_CODE */
#endif /* __SPARC_PROTOS_H__ */

19
gcc/config/sparc/sparc.c
View File

@ -363,6 +363,7 @@ static bool sparc_pass_by_reference (CUMULATIVE_ARGS *,
static int sparc_arg_partial_bytes (CUMULATIVE_ARGS *,
enum machine_mode, tree, bool);
static void sparc_dwarf_handle_frame_unspec (const char *, rtx, int);
static void sparc_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
static void sparc_file_end (void);
#ifdef SUBTARGET_ATTRIBUTE_TABLE
const struct attribute_spec sparc_attribute_table[];
@ -437,10 +438,11 @@ static bool fpu_option_set = false;
#undef TARGET_EXPAND_BUILTIN
#define TARGET_EXPAND_BUILTIN sparc_expand_builtin
#ifdef HAVE_AS_TLS
#if TARGET_TLS
#undef TARGET_HAVE_TLS
#define TARGET_HAVE_TLS true
#endif
#undef TARGET_CANNOT_FORCE_CONST_MEM
#define TARGET_CANNOT_FORCE_CONST_MEM sparc_cannot_force_const_mem
@ -512,6 +514,11 @@ static bool fpu_option_set = false;
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION sparc_handle_option
#if TARGET_GNU_TLS
#undef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL sparc_output_dwarf_dtprel
#endif
#undef TARGET_ASM_FILE_END
#define TARGET_ASM_FILE_END sparc_file_end
@ -8451,10 +8458,10 @@ sparc_dwarf_handle_frame_unspec (const char *label,
dwarf2out_window_save (label);
}
/* This is called from dwarf2out.c via ASM_OUTPUT_DWARF_DTPREL.
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
void
static void
sparc_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
switch (size)
@ -8472,8 +8479,10 @@ sparc_output_dwarf_dtprel (FILE *file, int size, rtx x)
fputs (")", file);
}
static
void sparc_file_end (void)
/* Do whatever processing is required at the end of a file. */
static void
sparc_file_end (void)
{
/* If we haven't emitted the special PIC helper function, do so now. */
if (pic_helper_symbol_name[0] && !pic_helper_emitted_p)

10
gcc/config/sparc/sparc.h
View File

@ -2349,13 +2349,6 @@ extern int sparc_indent_opcode;
} \
} while (0)
/* Emit a dtp-relative reference to a TLS variable. */
#ifdef HAVE_AS_TLS
#define ASM_OUTPUT_DWARF_DTPREL(FILE, SIZE, X) \
sparc_output_dwarf_dtprel (FILE, SIZE, X)
#endif
#define SPARC_SYMBOL_REF_TLS_P(RTX) \
(GET_CODE (RTX) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (RTX) != 0)
@ -2447,11 +2440,14 @@ extern int sparc_indent_opcode;
} \
}
/* TLS support defaulting to original Sun flavor. GNU extensions
must be activated in separate configuration files. */
#ifdef HAVE_AS_TLS
#define TARGET_TLS 1
#else
#define TARGET_TLS 0
#endif
#define TARGET_SUN_TLS TARGET_TLS
#define TARGET_GNU_TLS 0

5
gcc/doc/tm.texi
View File

@ -8140,6 +8140,11 @@ A C statement to issue assembly directives that create a self-relative
reference to the given label, using an integer of the given size.
@end defmac
@deftypefn {Target Hook} void TARGET_ASM_OUTPUT_DWARF_DTPREL (FILE *@var{FILE}, int @var{size}, rtx @var{x})
If defined, this target hook is a function which outputs a DTP-relative
reference to the given TLS symbol of the specified size.
@end deftypefn
@defmac PUT_SDB_@dots{}
Define these macros to override the assembler syntax for the special
SDB assembler directives. See @file{sdbout.c} for a list of these

21
gcc/dwarf2out.c
View File

@ -3284,13 +3284,15 @@ output_loc_operands (dw_loc_descr_ref loc)
break;
case INTERNAL_DW_OP_tls_addr:
#ifdef ASM_OUTPUT_DWARF_DTPREL
ASM_OUTPUT_DWARF_DTPREL (asm_out_file, DWARF2_ADDR_SIZE,
val1->v.val_addr);
fputc ('\n', asm_out_file);
#else
gcc_unreachable ();
#endif
if (targetm.asm_out.output_dwarf_dtprel)
{
targetm.asm_out.output_dwarf_dtprel (asm_out_file,
DWARF2_ADDR_SIZE,
val1->v.val_addr);
fputc ('\n', asm_out_file);
}
else
gcc_unreachable ();
break;
default:
@ -8954,10 +8956,9 @@ loc_descriptor_from_tree_1 (tree loc, int want_address)
{
rtx rtl;
#ifndef ASM_OUTPUT_DWARF_DTPREL
/* If this is not defined, we have no way to emit the data. */
return 0;
#endif
if (!targetm.asm_out.output_dwarf_dtprel)
return 0;
/* The way DW_OP_GNU_push_tls_address is specified, we can only
look up addresses of objects in the current module. */

2
gcc/system.h
View File

@ -692,7 +692,7 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \
MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \
VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \
FUNCTION_ARG_PARTIAL_NREGS
FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL
/* Other obsolete target macros, or macros that used to be in target
headers and were not used, and may be obsolete or may never have

7
gcc/target-def.h
View File

@ -191,6 +191,10 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
#endif
#ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
#define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
#endif
#define TARGET_ASM_ALIGNED_INT_OP \
{TARGET_ASM_ALIGNED_HI_OP, \
TARGET_ASM_ALIGNED_SI_OP, \
@ -232,7 +236,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
TARGET_ASM_FILE_START, \
TARGET_ASM_FILE_END, \
TARGET_ASM_EXTERNAL_LIBCALL, \
TARGET_ASM_MARK_DECL_PRESERVED}
TARGET_ASM_MARK_DECL_PRESERVED, \
TARGET_ASM_OUTPUT_DWARF_DTPREL}
/* Scheduler hooks. All of these default to null pointers, which
haifa-sched.c looks for and handles. */

3
gcc/target.h
View File

@ -180,6 +180,9 @@ struct gcc_target
linker to not dead code strip this symbol. */
void (*mark_decl_preserved) (const char *);
/* Output a DTP-relative reference to a TLS symbol. */
void (*output_dwarf_dtprel) (FILE *file, int size, rtx x);
} asm_out;
/* Functions relating to instruction scheduling. */