diff options
| author | Matthias Braun <matze@braunis.de> | 2017-02-13 06:49:45 +0100 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2017-02-13 09:02:11 +0100 |
| commit | 44d7c29b3012cd5d8db0a82c446fcaff5949f7b3 (patch) | |
| tree | a01aede1bea51bc7040a435807b0dbd267066602 | |
| parent | 6930152cfc5d15b7841efd5491336ade22976686 (diff) | |
Ignore fastcall/stdcall on non-win32 32bit targets
This is only a valid calling convention on win32 32bit targets, on other
targets the linker cannot even deal with the name mangling containing
'@' characters.
| -rw-r--r-- | src/ast/attribute.c | 15 | ||||
| -rw-r--r-- | src/ast/dialect.h | 3 | ||||
| -rw-r--r-- | src/driver/target.c | 1 |
3 files changed, 16 insertions, 3 deletions
diff --git a/src/ast/attribute.c b/src/ast/attribute.c index 58f29ac..7709f5d 100644 --- a/src/ast/attribute.c +++ b/src/ast/attribute.c @@ -11,6 +11,7 @@ #include "ast_t.h" #include "attribute_t.h" #include "constfold.h" +#include "dialect.h" #include "driver/diagnostic.h" #include "driver/warning.h" #include "entity_t.h" @@ -464,11 +465,21 @@ type_t *handle_type_attributes(const attribute_t *attributes, type_t *type) break; case ATTRIBUTE_MS_STDCALL: case ATTRIBUTE_GNU_STDCALL: - type = change_calling_convention(type, CC_STDCALL); + if (dialect.support_fastcall_stdcall) { + type = change_calling_convention(type, CC_STDCALL); + } else { + warningf(WARN_OTHER, &attribute->pos, + "Ignoring attribute 'stdcall' for this target"); + } break; case ATTRIBUTE_MS_FASTCALL: case ATTRIBUTE_GNU_FASTCALL: - type = change_calling_convention(type, CC_FASTCALL); + if (dialect.support_fastcall_stdcall) { + type = change_calling_convention(type, CC_FASTCALL); + } else { + warningf(WARN_OTHER, &attribute->pos, + "Ignoring attribute 'fastcall' for this target"); + } break; case ATTRIBUTE_MS_THISCALL: type = change_calling_convention(type, CC_THISCALL); diff --git a/src/ast/dialect.h b/src/ast/dialect.h index 123fcaa..612a2b0 100644 --- a/src/ast/dialect.h +++ b/src/ast/dialect.h @@ -38,7 +38,8 @@ typedef struct c_dialect_t { bool ms : 1; bool long_double_x87_80bit_float : 1; /** enable hack to add call to __main into the main function (mingw) */ - bool enable_main_collect2_hack : 1; + bool enable_main_collect2_hack : 1; + bool support_fastcall_stdcall : 1; unsigned char long_double_size; unsigned char long_long_and_double_struct_align; unsigned char long_long_size; diff --git a/src/driver/target.c b/src/driver/target.c index e943f1c..d1c47b1 100644 --- a/src/driver/target.c +++ b/src/driver/target.c @@ -364,6 +364,7 @@ bsd: target.user_label_prefix = "_"; dialect.pointer_sized_int = ATOMIC_TYPE_INT; dialect.pointer_sized_uint = ATOMIC_TYPE_UINT; + dialect.support_fastcall_stdcall = true; } } else if (strstart(os, "midipix")) { driver_default_exe_output = "a.out"; |