aboutsummaryrefslogtreecommitdiffstats
path: root/common
diff options
context:
space:
mode:
authorCyril SIX <cyril.six@kalray.eu>2020-04-01 11:41:16 +0200
committerCyril SIX <cyril.six@kalray.eu>2020-04-01 11:41:16 +0200
commitf54e11c4f80cfa1b05a5c407adb1df86d1470cf7 (patch)
treea50c7734ec877e8ee0ac24e81356d6b8ea5b09a8 /common
parent7ad6991534ba4ab10fe29d5456393f45cb4e5605 (diff)
parent76a4ff8f5b37429a614a2a97f628d9d862c93f46 (diff)
downloadcompcert-kvx-f54e11c4f80cfa1b05a5c407adb1df86d1470cf7.tar.gz
compcert-kvx-f54e11c4f80cfa1b05a5c407adb1df86d1470cf7.zip
Merge remote-tracking branch 'origin/master' into attempt-fix-mppa-work
Diffstat (limited to 'common')
-rw-r--r--common/Sections.ml29
-rw-r--r--common/Sections.mli4
2 files changed, 23 insertions, 10 deletions
diff --git a/common/Sections.ml b/common/Sections.ml
index 30be9e69..839128a5 100644
--- a/common/Sections.ml
+++ b/common/Sections.ml
@@ -160,9 +160,22 @@ let gcc_section name readonly exec =
sec_writable = not readonly; sec_executable = exec;
sec_access = Access_default }
+(* Check and extract whether a section was given as attribute *)
+
+let get_attr_section loc attr =
+ match Cutil.find_custom_attributes ["section"; "__section__"] attr with
+ | [] -> None
+ | [[C.AString name]] -> Some name
+ | [[_]] ->
+ Diagnostics.error loc "'section' attribute requires a string";
+ None
+ | _ ->
+ Diagnostics.error loc "ambiguous 'section' attribute";
+ None
+
(* Determine section for a variable definition *)
-let for_variable env id ty init =
+let for_variable env loc id ty init =
let attr = Cutil.attributes_of_type env ty in
let readonly = List.mem C.AConst attr && not(List.mem C.AVolatile attr) in
let si =
@@ -170,11 +183,11 @@ let for_variable env id ty init =
(* 1- Section explicitly associated with #use_section *)
Hashtbl.find use_section_table id
with Not_found ->
- match Cutil.find_custom_attributes ["section"; "__section__"] attr with
- | [[C.AString name]] ->
+ match get_attr_section loc attr with
+ | Some name ->
(* 2- Section given as an attribute, gcc-style *)
gcc_section name readonly false
- | _ ->
+ | None ->
(* 3- Default section appropriate for size and const-ness *)
let size =
match Cutil.sizeof env ty with Some sz -> sz | None -> max_int in
@@ -190,17 +203,17 @@ let for_variable env id ty init =
(* Determine sections for a function definition *)
-let for_function env id attr =
+let for_function env loc id attr =
let si_code =
try
(* 1- Section explicitly associated with #use_section *)
Hashtbl.find use_section_table id
with Not_found ->
- match Cutil.find_custom_attributes ["section"; "__section__"] attr with
- | [[C.AString name]] ->
+ match get_attr_section loc attr with
+ | Some name ->
(* 2- Section given as an attribute, gcc-style *)
gcc_section name true true
- | _ ->
+ | None ->
(* 3- Default section *)
try
Hashtbl.find current_section_table "CODE"
diff --git a/common/Sections.mli b/common/Sections.mli
index bc97814d..d9fd9239 100644
--- a/common/Sections.mli
+++ b/common/Sections.mli
@@ -46,7 +46,7 @@ val define_section:
-> ?writable:bool -> ?executable:bool -> ?access:access_mode -> unit -> unit
val use_section_for: AST.ident -> string -> bool
-val for_variable: Env.t -> AST.ident -> C.typ -> bool ->
+val for_variable: Env.t -> C.location -> AST.ident -> C.typ -> bool ->
section_name * access_mode
-val for_function: Env.t -> AST.ident -> C.attributes -> section_name list
+val for_function: Env.t -> C.location -> AST.ident -> C.attributes -> section_name list
val for_stringlit: unit -> section_name