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ia64-protos.h (ia64_initialize_trampoline): Remove.
* config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
* config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
(ia64_trampoline_init): Rename from ia64_initialize_trampoline;
make static; adjust for hook parameters.
* config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
From-SVN: r151994
This commit is contained in:
Richard Henderson
Richard Henderson
parent
9f6ef043a8
commit
2a1211e51b
@ -108,6 +108,12 @@
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* config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
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to h8300_trampoline_init and adjust for hook parameters.
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* config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
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* config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
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(ia64_trampoline_init): Rename from ia64_initialize_trampoline;
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make static; adjust for hook parameters.
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* config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
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2009-09-22 Jakub Jelinek <jakub@redhat.com>
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* config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
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@ -54,7 +54,6 @@ extern int ia64_direct_return (void);
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extern bool ia64_expand_load_address (rtx, rtx);
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extern int ia64_hard_regno_rename_ok (int, int);
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extern void ia64_initialize_trampoline (rtx, rtx, rtx);
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extern void ia64_print_operand_address (FILE *, rtx);
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extern void ia64_print_operand (FILE *, rtx, int);
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extern enum reg_class ia64_preferred_reload_class (rtx, enum reg_class);
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@ -302,6 +302,7 @@ static enum machine_mode ia64_promote_function_mode (const_tree,
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int *,
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const_tree,
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int);
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static void ia64_trampoline_init (rtx, tree, rtx);
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/* Table of valid machine attributes. */
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static const struct attribute_spec ia64_attribute_table[] =
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@ -532,6 +533,9 @@ static const struct attribute_spec ia64_attribute_table[] =
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#undef TARGET_CAN_ELIMINATE
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#define TARGET_CAN_ELIMINATE ia64_can_eliminate
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#undef TARGET_TRAMPOLINE_INIT
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#define TARGET_TRAMPOLINE_INIT ia64_trampoline_init
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struct gcc_target targetm = TARGET_INITIALIZER;
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typedef enum
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@ -3945,10 +3949,35 @@ ia64_dbx_register_number (int regno)
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return regno;
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}
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void
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ia64_initialize_trampoline (rtx addr, rtx fnaddr, rtx static_chain)
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/* Implement TARGET_TRAMPOLINE_INIT.
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The trampoline should set the static chain pointer to value placed
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into the trampoline and should branch to the specified routine.
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To make the normal indirect-subroutine calling convention work,
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the trampoline must look like a function descriptor; the first
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word being the target address and the second being the target's
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global pointer.
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We abuse the concept of a global pointer by arranging for it
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to point to the data we need to load. The complete trampoline
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has the following form:
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+-------------------+ \
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TRAMP: | __ia64_trampoline | |
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+-------------------+ > fake function descriptor
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| TRAMP+16 | |
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+-------------------+ /
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| target descriptor |
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+-------------------+
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| static link |
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+-------------------+
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*/
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static void
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ia64_trampoline_init (rtx m_tramp, tree fndecl, rtx static_chain)
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{
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rtx addr_reg, tramp, eight = GEN_INT (8);
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rtx fnaddr = XEXP (DECL_RTL (fndecl), 0);
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rtx addr, addr_reg, tramp, eight = GEN_INT (8);
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/* The Intel assembler requires that the global __ia64_trampoline symbol
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be declared explicitly */
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@ -3965,13 +3994,13 @@ ia64_initialize_trampoline (rtx addr, rtx fnaddr, rtx static_chain)
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}
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/* Make sure addresses are Pmode even if we are in ILP32 mode. */
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addr = convert_memory_address (Pmode, addr);
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addr = convert_memory_address (Pmode, XEXP (m_tramp, 0));
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fnaddr = convert_memory_address (Pmode, fnaddr);
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static_chain = convert_memory_address (Pmode, static_chain);
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/* Load up our iterator. */
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addr_reg = gen_reg_rtx (Pmode);
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emit_move_insn (addr_reg, addr);
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addr_reg = copy_to_reg (addr);
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m_tramp = adjust_automodify_address (m_tramp, Pmode, addr_reg, 0);
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/* The first two words are the fake descriptor:
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__ia64_trampoline, ADDR+16. */
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@ -3989,19 +4018,21 @@ ia64_initialize_trampoline (rtx addr, rtx fnaddr, rtx static_chain)
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emit_move_insn (reg, gen_rtx_MEM (Pmode, reg));
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tramp = reg;
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}
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emit_move_insn (gen_rtx_MEM (Pmode, addr_reg), tramp);
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emit_move_insn (m_tramp, tramp);
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emit_insn (gen_adddi3 (addr_reg, addr_reg, eight));
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m_tramp = adjust_automodify_address (m_tramp, VOIDmode, NULL, 8);
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emit_move_insn (gen_rtx_MEM (Pmode, addr_reg),
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copy_to_reg (plus_constant (addr, 16)));
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emit_move_insn (m_tramp, force_reg (Pmode, plus_constant (addr, 16)));
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emit_insn (gen_adddi3 (addr_reg, addr_reg, eight));
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m_tramp = adjust_automodify_address (m_tramp, VOIDmode, NULL, 8);
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/* The third word is the target descriptor. */
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emit_move_insn (gen_rtx_MEM (Pmode, addr_reg), fnaddr);
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emit_move_insn (m_tramp, force_reg (Pmode, fnaddr));
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emit_insn (gen_adddi3 (addr_reg, addr_reg, eight));
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m_tramp = adjust_automodify_address (m_tramp, VOIDmode, NULL, 8);
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/* The fourth word is the static chain. */
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emit_move_insn (gen_rtx_MEM (Pmode, addr_reg), static_chain);
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emit_move_insn (m_tramp, static_chain);
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}
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/* Do any needed setup for a variadic function. CUM has not been updated
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@ -1247,31 +1247,6 @@ do { \
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#define STACK_SAVEAREA_MODE(LEVEL) \
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((LEVEL) == SAVE_NONLOCAL ? OImode : Pmode)
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/* Output assembler code for a block containing the constant parts of
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a trampoline, leaving space for the variable parts.
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The trampoline should set the static chain pointer to value placed
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into the trampoline and should branch to the specified routine.
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To make the normal indirect-subroutine calling convention work,
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the trampoline must look like a function descriptor; the first
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word being the target address and the second being the target's
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global pointer.
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We abuse the concept of a global pointer by arranging for it
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to point to the data we need to load. The complete trampoline
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has the following form:
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+-------------------+ \
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TRAMP: | __ia64_trampoline | |
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+-------------------+ > fake function descriptor
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| TRAMP+16 | |
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+-------------------+ /
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| target descriptor |
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+-------------------+
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| static link |
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+-------------------+
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*/
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/* A C expression for the size in bytes of the trampoline, as an integer. */
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#define TRAMPOLINE_SIZE 32
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@ -1279,11 +1254,6 @@ do { \
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/* Alignment required for trampolines, in bits. */
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#define TRAMPOLINE_ALIGNMENT 64
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/* A C statement to initialize the variable parts of a trampoline. */
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#define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, STATIC_CHAIN) \
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ia64_initialize_trampoline((ADDR), (FNADDR), (STATIC_CHAIN))
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/* Addressing Modes */
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