diff options
Diffstat (limited to 'gcc/config')
-rw-r--r-- | gcc/config/i386/i386-protos.h | 1 | ||||
-rw-r--r-- | gcc/config/i386/i386.c | 75 | ||||
-rw-r--r-- | gcc/config/i386/unix.h | 56 |
3 files changed, 78 insertions, 54 deletions
diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h index 8321d478ec0..b3b16884579 100644 --- a/gcc/config/i386/i386-protos.h +++ b/gcc/config/i386/i386-protos.h @@ -197,4 +197,5 @@ extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *, int)); extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int)); +extern void x86_output_mi_thunk PARAMS ((FILE *, int, tree)); #endif diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 9c328b72fb2..8d939f2e098 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -13049,3 +13049,78 @@ x86_order_regs_for_local_alloc () while (pos < FIRST_PSEUDO_REGISTER) reg_alloc_order [pos++] = 0; } + +void +x86_output_mi_thunk (file, delta, function) + FILE *file; + int delta; + tree function; +{ + tree parm; + rtx xops[3]; + + if (ix86_regparm > 0) + parm = TYPE_ARG_TYPES (TREE_TYPE (function)); + else + parm = NULL_TREE; + for (; parm; parm = TREE_CHAIN (parm)) + if (TREE_VALUE (parm) == void_type_node) + break; + + xops[0] = GEN_INT (delta); + if (TARGET_64BIT) + { + int n = aggregate_value_p (TREE_TYPE (TREE_TYPE (function))) != 0; + xops[1] = gen_rtx_REG (DImode, x86_64_int_parameter_registers[n]); + output_asm_insn ("add{q} {%0, %1|%1, %0}", xops); + if (flag_pic) + { + fprintf (file, "\tjmp *"); + assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0)); + fprintf (file, "@GOTPCREL(%%rip)\n"); + } + else + { + fprintf (file, "\tjmp "); + assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0)); + fprintf (file, "\n"); + } + } + else + { + if (parm) + xops[1] = gen_rtx_REG (SImode, 0); + else if (aggregate_value_p (TREE_TYPE (TREE_TYPE (function)))) + xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 8)); + else + xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 4)); + output_asm_insn ("add{l} {%0, %1|%1, %0}", xops); + + if (flag_pic) + { + xops[0] = pic_offset_table_rtx; + xops[1] = gen_label_rtx (); + xops[2] = gen_rtx_SYMBOL_REF (Pmode, "_GLOBAL_OFFSET_TABLE_"); + + if (ix86_regparm > 2) + abort (); + output_asm_insn ("push{l}\t%0", xops); + output_asm_insn ("call\t%P1", xops); + ASM_OUTPUT_INTERNAL_LABEL (file, "L", CODE_LABEL_NUMBER (xops[1])); + output_asm_insn ("pop{l}\t%0", xops); + output_asm_insn + ("add{l}\t{%2+[.-%P1], %0|%0, OFFSET FLAT: %2+[.-%P1]}", xops); + xops[0] = gen_rtx_MEM (SImode, XEXP (DECL_RTL (function), 0)); + output_asm_insn + ("mov{l}\t{%0@GOT(%%ebx), %%ecx|%%ecx, %0@GOT[%%ebx]}", xops); + asm_fprintf (file, "\tpop{l\t%%ebx|\t%%ebx}\n"); + asm_fprintf (file, "\tjmp\t{*%%ecx|%%ecx}\n"); + } + else + { + fprintf (file, "\tjmp "); + assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0)); + fprintf (file, "\n"); + } + } +} diff --git a/gcc/config/i386/unix.h b/gcc/config/i386/unix.h index 15a07018cf3..f7e38b48e9a 100644 --- a/gcc/config/i386/unix.h +++ b/gcc/config/i386/unix.h @@ -79,57 +79,5 @@ Boston, MA 02111-1307, USA. */ /* Output code to add DELTA to the first argument, and then jump to FUNCTION. Used for C++ multiple inheritance. */ -#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ -do { \ - tree parm; \ - rtx xops[3]; \ - \ - if (ix86_regparm > 0) \ - parm = TYPE_ARG_TYPES (TREE_TYPE (function)); \ - else \ - parm = NULL_TREE; \ - for (; parm; parm = TREE_CHAIN (parm)) \ - if (TREE_VALUE (parm) == void_type_node) \ - break; \ - \ - xops[0] = GEN_INT (DELTA); \ - if (parm) \ - xops[1] = gen_rtx_REG (SImode, 0); \ - else if (aggregate_value_p (TREE_TYPE (TREE_TYPE (FUNCTION)))) \ - xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 8)); \ - else \ - xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 4)); \ - output_asm_insn ("add{l} {%0, %1|%1, %0}", xops); \ - \ - if (flag_pic && !TARGET_64BIT) \ - { \ - xops[0] = pic_offset_table_rtx; \ - xops[1] = gen_label_rtx (); \ - xops[2] = gen_rtx_SYMBOL_REF (Pmode, "_GLOBAL_OFFSET_TABLE_"); \ - \ - if (ix86_regparm > 2) \ - abort (); \ - output_asm_insn ("push{l}\t%0", xops); \ - output_asm_insn ("call\t%P1", xops); \ - ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", CODE_LABEL_NUMBER (xops[1])); \ - output_asm_insn ("pop{l}\t%0", xops); \ - output_asm_insn ("add{l}\t{%2+[.-%P1], %0|%0, OFFSET FLAT: %2+[.-%P1]}", xops); \ - xops[0] = gen_rtx_MEM (SImode, XEXP (DECL_RTL (FUNCTION), 0)); \ - output_asm_insn ("mov{l}\t{%0@GOT(%%ebx), %%ecx|%%ecx, %0@GOT[%%ebx]}",\ - xops); \ - asm_fprintf (FILE, "\tpop{l\t%%ebx|\t%%ebx}\n"); \ - asm_fprintf (FILE, "\tjmp\t{*%%ecx|%%ecx}\n"); \ - } \ - else if (flag_pic && TARGET_64BIT) \ - { \ - fprintf (FILE, "\tjmp *"); \ - assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ - fprintf (FILE, "@GOTPCREL(%%rip)\n"); \ - } \ - else \ - { \ - fprintf (FILE, "\tjmp "); \ - assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ - fprintf (FILE, "\n"); \ - } \ -} while (0) +#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ + x86_output_mi_thunk (FILE, DELTA, FUNCTION); |