diff options
Diffstat (limited to 'x86')
| -rw-r--r-- | x86/Asmexpand.ml | 2 | ||||
| -rw-r--r-- | x86/SelectOp.vp | 4 | ||||
| -rw-r--r-- | x86/TargetPrinter.ml | 77 |
3 files changed, 74 insertions, 9 deletions
diff --git a/x86/Asmexpand.ml b/x86/Asmexpand.ml index b8353046..ad667e3d 100644 --- a/x86/Asmexpand.ml +++ b/x86/Asmexpand.ml @@ -552,7 +552,7 @@ let expand_instruction instr = expand_builtin_memcpy (Z.to_int sz) (Z.to_int al) args | EF_annot_val(kind,txt, targ) -> expand_annot_val kind txt targ args res - | EF_annot _ | EF_debug _ | EF_inline_asm _ -> + | EF_annot _ | EF_debug _ | EF_inline_asm _ | EF_profiling _ -> emit instr | _ -> assert false diff --git a/x86/SelectOp.vp b/x86/SelectOp.vp index a23c37d5..2a09207b 100644 --- a/x86/SelectOp.vp +++ b/x86/SelectOp.vp @@ -503,7 +503,7 @@ Definition intuoffloat (e: expr) := if Archi.splitlong then Elet e (Elet (Eop (Ofloatconst (Float.of_intu Float.ox8000_0000)) Enil) - (Econdition (CEcond (Ccompf Clt) (Eletvar 1 ::: Eletvar 0 ::: Enil)) + (Econdition (CEcond (Ccompf Clt) None (Eletvar 1 ::: Eletvar 0 ::: Enil)) (intoffloat (Eletvar 1)) (addimm Float.ox8000_0000 (intoffloat (subf (Eletvar 1) (Eletvar 0))))))%nat else @@ -516,7 +516,7 @@ Nondetfunction floatofintu (e: expr) := if Archi.splitlong then let f := Eop (Ofloatconst (Float.of_intu Float.ox8000_0000)) Enil in Elet e - (Econdition (CEcond (Ccompuimm Clt Float.ox8000_0000) (Eletvar O ::: Enil)) + (Econdition (CEcond (Ccompuimm Clt Float.ox8000_0000) None (Eletvar O ::: Enil)) (floatofint (Eletvar O)) (addf (floatofint (addimm (Int.neg Float.ox8000_0000) (Eletvar O))) f)) else diff --git a/x86/TargetPrinter.ml b/x86/TargetPrinter.ml index 6159437e..38eff731 100644 --- a/x86/TargetPrinter.ml +++ b/x86/TargetPrinter.ml @@ -133,7 +133,9 @@ module ELF_System : SYSTEM = let name_of_section = function | Section_text -> ".text" - | Section_data i | Section_small_data i -> + | Section_data(i, true) -> + failwith "_Thread_local unsupported on this platform" + | Section_data(i, false) | Section_small_data i -> if i then ".data" else common_section () | Section_const i | Section_small_const i -> if i || (not !Clflags.option_fcommon) then ".section .rodata" else "COMM" @@ -165,7 +167,44 @@ module ELF_System : SYSTEM = let print_var_info = elf_print_var_info - let print_epilogue _ = () + let print_atexit oc to_be_called = + if Archi.ptr64 + then + begin + fprintf oc " leaq %s(%%rip), %%rdi\n" to_be_called; + fprintf oc " jmp atexit\n" + end + else + begin + fprintf oc " pushl $%s\n" to_be_called; + fprintf oc " call atexit\n"; + fprintf oc " addl $4, %%esp\n"; + fprintf oc " ret\n" + end + + let x86_profiling_stub oc nr_items + profiling_id_table_name + profiling_counter_table_name = + if Archi.ptr64 + then + begin + fprintf oc " leaq %s(%%rip), %%rdx\n" profiling_counter_table_name; + fprintf oc " leaq %s(%%rip), %%rsi\n" profiling_id_table_name; + fprintf oc " movl $%d, %%edi\n" nr_items; + fprintf oc " jmp %s\n" profiling_write_table_helper + end + else + begin + fprintf oc " pushl $%s\n" profiling_counter_table_name; + fprintf oc " pushl $%s\n" profiling_id_table_name; + fprintf oc " pushl $%d\n" nr_items; + fprintf oc " call %s\n" profiling_write_table_helper ; + fprintf oc " addl $12, %%esp\n"; + fprintf oc " ret\n" + end;; + + let print_epilogue oc = + print_profiling_epilogue elf_text_print_fun_info (Init_atexit print_atexit) x86_profiling_stub oc;; let print_comm_decl oc name sz al = fprintf oc " .comm %a, %s, %d\n" symbol name (Z.to_string sz) al @@ -191,7 +230,9 @@ module MacOS_System : SYSTEM = let name_of_section = function | Section_text -> ".text" - | Section_data i | Section_small_data i -> + | Section_data(i, true) -> + failwith "_Thread_local unsupported on this platform" + | Section_data(i, false) | Section_small_data i -> if i || (not !Clflags.option_fcommon) then ".data" else "COMM" | Section_const i | Section_small_const i -> if i || (not !Clflags.option_fcommon) then ".const" else "COMM" @@ -268,7 +309,9 @@ module Cygwin_System : SYSTEM = let name_of_section = function | Section_text -> ".text" - | Section_data i | Section_small_data i -> + | Section_data(i, true) -> + failwith "_Thread_local unsupported on this platform" + | Section_data(i, false) | Section_small_data i -> if i then ".data" else common_section () | Section_const i | Section_small_const i -> if i || (not !Clflags.option_fcommon) then ".section .rdata,\"dr\"" else "COMM" @@ -395,8 +438,28 @@ module Target(System: SYSTEM):TARGET = fprintf oc "%a(%%rip)" label lbl end - - + let print_profiling_logger oc id kind = + assert (kind >= 0); + assert (kind <= 1); + let ofs = profiling_offset id kind in + if Archi.ptr64 + then + begin + fprintf oc "%s profiling %a %d: atomic increment\n" comment + Profilingaux.pp_id id kind; + fprintf oc " lock addq $1, %s+%d(%%rip)\n" + profiling_counter_table_name ofs + end + else + begin + fprintf oc "%s begin profiling %a %d: increment\n" comment + Profilingaux.pp_id id kind; + fprintf oc " addl $1, %s+%d\n" profiling_counter_table_name ofs; + fprintf oc " adcl $1, %s+%d\n" profiling_counter_table_name (ofs+4); + fprintf oc "%s end profiling %a %d: increment\n" comment + Profilingaux.pp_id id kind; + end + (* Printing of instructions *) (* Reminder on X86 assembly syntaxes: @@ -834,6 +897,8 @@ module Target(System: SYSTEM):TARGET = fprintf oc "%s begin inline assembly\n\t" comment; print_inline_asm preg_asm oc (camlstring_of_coqstring txt) sg args res; fprintf oc "%s end inline assembly\n" comment + | EF_profiling(id, coq_kind) -> + print_profiling_logger oc id (Z.to_int coq_kind) | _ -> assert false end |