aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arm/PrintAsm.ml6
-rw-r--r--checklink/Check.ml11
-rw-r--r--common/Sections.ml12
-rw-r--r--common/Sections.mli4
-rw-r--r--ia32/PrintAsm.ml58
-rw-r--r--powerpc/PrintAsm.ml19
6 files changed, 71 insertions, 39 deletions
diff --git a/arm/PrintAsm.ml b/arm/PrintAsm.ml
index 7b9e2cc8..c7157aac 100644
--- a/arm/PrintAsm.ml
+++ b/arm/PrintAsm.ml
@@ -168,8 +168,10 @@ let thumbS oc =
let name_of_section = function
| Section_text -> ".text"
- | Section_data i | Section_small_data i -> if i then ".data" else "COMM"
- | Section_const | Section_small_const -> ".section .rodata"
+ | Section_data i | Section_small_data i ->
+ if i then ".data" else "COMM"
+ | Section_const i | Section_small_const i ->
+ if i then ".section .rodata" else "COMM"
| Section_string -> ".section .rodata"
| Section_literal -> ".text"
| Section_jumptable -> ".text"
diff --git a/checklink/Check.ml b/checklink/Check.ml
index 87910863..db0159c4 100644
--- a/checklink/Check.ml
+++ b/checklink/Check.ml
@@ -69,8 +69,8 @@ let name_of_section_Linux: section_name -> string = function
| Section_text -> ".text"
| Section_data i -> if i then ".data" else "COMM"
| Section_small_data i -> if i then ".sdata" else ".sbss"
-| Section_const -> ".rodata"
-| Section_small_const -> ".sdata2"
+| Section_const i -> if i then ".rodata" else "COMM"
+| Section_small_const i -> if i then ".sdata2" else "COMM"
| Section_string -> ".rodata"
| Section_literal -> ".rodata.cst8"
| Section_jumptable -> ".text"
@@ -79,10 +79,10 @@ let name_of_section_Linux: section_name -> string = function
(** Adapted from CompCert *)
let name_of_section_Diab: section_name -> string = function
| Section_text -> ".text"
-| Section_data i -> if i then ".data" else ".bss"
+| Section_data i -> if i then ".data" else "COMM"
| Section_small_data i -> if i then ".sdata" else ".sbss"
-| Section_const -> ".text"
-| Section_small_const -> ".sdata2"
+| Section_const _ -> ".text"
+| Section_small_const _ -> ".sdata2"
| Section_string -> ".text"
| Section_literal -> ".text"
| Section_jumptable -> ".text"
@@ -91,7 +91,6 @@ let name_of_section_Diab: section_name -> string = function
(** Taken from CompCert *)
let name_of_section: section_name -> string =
begin match Configuration.system with
- | "macosx" -> fatal "Unsupported CompCert configuration: macosx"
| "linux" -> name_of_section_Linux
| "diab" -> name_of_section_Diab
| _ -> fatal "Unsupported CompCert configuration"
diff --git a/common/Sections.ml b/common/Sections.ml
index d7ae8195..c6d4c4c2 100644
--- a/common/Sections.ml
+++ b/common/Sections.ml
@@ -21,8 +21,8 @@ type section_name =
| Section_text
| Section_data of bool (* true = init data, false = uninit data *)
| Section_small_data of bool
- | Section_const
- | Section_small_const
+ | Section_const of bool
+ | Section_small_const of bool
| Section_string
| Section_literal
| Section_jumptable
@@ -68,13 +68,13 @@ let builtin_sections = [
sec_writable = true; sec_executable = false;
sec_access = Access_near};
"CONST",
- {sec_name_init = Section_const;
- sec_name_uninit = Section_const;
+ {sec_name_init = Section_const true;
+ sec_name_uninit = Section_const false;
sec_writable = false; sec_executable = false;
sec_access = Access_default};
"SCONST",
- {sec_name_init = Section_small_const;
- sec_name_uninit = Section_small_const;
+ {sec_name_init = Section_small_const true;
+ sec_name_uninit = Section_small_const false;
sec_writable = false; sec_executable = false;
sec_access = Access_near};
"STRING",
diff --git a/common/Sections.mli b/common/Sections.mli
index ff6c8c95..38b99db0 100644
--- a/common/Sections.mli
+++ b/common/Sections.mli
@@ -20,8 +20,8 @@ type section_name =
| Section_text
| Section_data of bool (* true = init data, false = uninit data *)
| Section_small_data of bool
- | Section_const
- | Section_small_const
+ | Section_const of bool
+ | Section_small_const of bool
| Section_string
| Section_literal
| Section_jumptable
diff --git a/ia32/PrintAsm.ml b/ia32/PrintAsm.ml
index 41002bac..649fd292 100644
--- a/ia32/PrintAsm.ml
+++ b/ia32/PrintAsm.ml
@@ -57,7 +57,7 @@ let preg oc = function
(* System dependend printer functions *)
-module type SYSTEM=
+module type SYSTEM =
sig
val raw_symbol: out_channel -> string -> unit
val symbol: out_channel -> P.t -> unit
@@ -69,6 +69,8 @@ module type SYSTEM=
val print_fun_info: out_channel -> P.t -> unit
val print_var_info: out_channel -> P.t -> unit
val print_epilogue: out_channel -> unit
+ val print_comm_decl: out_channel -> P.t -> Z.t -> int -> unit
+ val print_lcomm_decl: out_channel -> P.t -> Z.t -> int -> unit
end
(* Printer functions for cygwin *)
@@ -86,8 +88,10 @@ module Cygwin_System =
let name_of_section = function
| Section_text -> ".text"
- | Section_data _ | Section_small_data _ -> ".data"
- | Section_const | Section_small_const -> ".section .rdata,\"dr\""
+ | Section_data i | Section_small_data i ->
+ if i then ".data" else "COMM"
+ | Section_const i | Section_small_const i ->
+ if i then ".section .rdata,\"dr\"" else "COMM"
| Section_string -> ".section .rdata,\"dr\""
| Section_literal -> ".section .rdata,\"dr\""
| Section_jumptable -> ".text"
@@ -108,6 +112,14 @@ module Cygwin_System =
let print_var_info _ _ = ()
let print_epilogue _ = ()
+
+ let print_comm_decl oc name sz al =
+ fprintf oc " .comm %a, %s, %d\n" symbol name (Z.to_string sz) al
+
+ let print_lcomm_decl oc name sz al =
+ fprintf oc " .local %a\n" symbol name;
+ print_comm_decl oc name sz al
+
end:SYSTEM)
(* Printer functions for ELF *)
@@ -125,8 +137,10 @@ module ELF_System =
let name_of_section = function
| Section_text -> ".text"
- | Section_data i | Section_small_data i -> if i then ".data" else "COMM"
- | Section_const | Section_small_const -> ".section .rodata"
+ | Section_data i | Section_small_data i ->
+ if i then ".data" else "COMM"
+ | Section_const i | Section_small_const i ->
+ if i then ".section .rodata" else "COMM"
| Section_string -> ".section .rodata"
| Section_literal -> ".section .rodata.cst8,\"aM\",@progbits,8"
| Section_jumptable -> ".text"
@@ -151,6 +165,14 @@ module ELF_System =
fprintf oc " .size %a, . - %a\n" symbol name symbol name
let print_epilogue _ = ()
+
+ let print_comm_decl oc name sz al =
+ fprintf oc " .comm %a, %s, %d\n" symbol name (Z.to_string sz) al
+
+ let print_lcomm_decl oc name sz al =
+ fprintf oc " .local %a\n" symbol name;
+ print_comm_decl oc name sz al
+
end:SYSTEM)
(* Printer functions for MacOS *)
@@ -168,8 +190,10 @@ module MacOS_System =
let name_of_section = function
| Section_text -> ".text"
- | Section_data _ | Section_small_data _ -> ".data"
- | Section_const | Section_small_const -> ".const"
+ | Section_data i | Section_small_data i ->
+ if i then ".data" else "COMM"
+ | Section_const i | Section_small_const i ->
+ if i then ".const" else "COMM"
| Section_string -> ".const"
| Section_literal -> ".literal8"
| Section_jumptable -> ".const"
@@ -209,6 +233,14 @@ module MacOS_System =
!indirect_symbols;
indirect_symbols := StringSet.empty
+ let print_comm_decl oc name sz al =
+ fprintf oc " .comm %a, %s, %d\n"
+ symbol name (Z.to_string sz) (log2 al)
+
+ let print_lcomm_decl oc name sz al =
+ fprintf oc " .lcomm %a, %s, %d\n"
+ symbol name (Z.to_string sz) (log2 al)
+
end:SYSTEM)
@@ -996,12 +1028,9 @@ let print_var oc name v =
end else begin
let sz =
match v.gvar_init with [Init_space sz] -> sz | _ -> assert false in
- if C2C.atom_is_static name then
- fprintf oc " .local %a\n" symbol name;
- fprintf oc " .comm %a, %s, %d\n"
- symbol name
- (Z.to_string sz)
- align
+ if C2C.atom_is_static name
+ then Target.print_lcomm_decl oc name sz align
+ else Target.print_comm_decl oc name sz align
end
let print_globdef oc (name, gdef) =
@@ -1032,7 +1061,8 @@ let print_program oc p =
Hashtbl.clear Printer.filename_num;
List.iter (Printer.print_globdef oc) p.prog_defs;
if !Printer.need_masks then begin
- Printer.section oc Section_const; (* not Section_literal because not 8-bytes *)
+ Printer.section oc (Section_const true);
+ (* not Section_literal because not 8-bytes *)
Target.print_align oc 16;
fprintf oc "%a: .quad 0x8000000000000000, 0\n"
Target.raw_symbol "__negd_mask";
diff --git a/powerpc/PrintAsm.ml b/powerpc/PrintAsm.ml
index 587dfccf..760ed275 100644
--- a/powerpc/PrintAsm.ml
+++ b/powerpc/PrintAsm.ml
@@ -105,13 +105,14 @@ module Linux_System =
let name_of_section = function
| Section_text -> ".text"
- | Section_data i -> if i then ".data" else "COMM"
+ | Section_data i ->
+ if i then ".data" else "COMM"
| Section_small_data i ->
- if i
- then ".section .sdata,\"aw\",@progbits"
- else ".section .sbss,\"aw\",@progbits"
- | Section_const -> ".rodata"
- | Section_small_const -> ".section .sdata2,\"a\",@progbits"
+ if i then ".section .sdata,\"aw\",@progbits" else "COMM"
+ | Section_const i ->
+ if i then ".rodata" else "COMM"
+ | Section_small_const i ->
+ if i then ".section .sdata2,\"a\",@progbits" else "COMM"
| Section_string -> ".rodata"
| Section_literal -> ".section .rodata.cst8,\"aM\",@progbits,8"
| Section_jumptable -> ".text"
@@ -197,10 +198,10 @@ module Diab_System =
let name_of_section = function
| Section_text -> ".text"
- | Section_data i -> if i then ".data" else ".bss"
+ | Section_data i -> if i then ".data" else "COMM"
| Section_small_data i -> if i then ".sdata" else ".sbss"
- | Section_const -> ".text"
- | Section_small_const -> ".sdata2"
+ | Section_const _ -> ".text"
+ | Section_small_const _ -> ".sdata2"
| Section_string -> ".text"
| Section_literal -> ".text"
| Section_jumptable -> ".text"