Jacek Caban : winegcc: Add support for -Wl,--entry argument.
Alexandre Julliard
julliard at winehq.org
Thu Jan 23 15:48:50 CST 2020
Module: wine
Branch: master
Commit: 618ac5f32a8c05beec5a499b49741f4b3cebd9ef
URL: https://source.winehq.org/git/wine.git/?a=commit;h=618ac5f32a8c05beec5a499b49741f4b3cebd9ef
Author: Jacek Caban <jacek at codeweavers.com>
Date: Tue Jan 21 19:52:05 2020 +0100
winegcc: Add support for -Wl,--entry argument.
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
tools/winegcc/winegcc.c | 45 +++++++++++++++++++++++++++++----------------
1 file changed, 29 insertions(+), 16 deletions(-)
diff --git a/tools/winegcc/winegcc.c b/tools/winegcc/winegcc.c
index 7f32a38788..7320216a24 100644
--- a/tools/winegcc/winegcc.c
+++ b/tools/winegcc/winegcc.c
@@ -219,6 +219,7 @@ struct options
const char* isysroot;
const char* lib_suffix;
const char* subsystem;
+ const char* entry_point;
const char* prelink;
strarray* prefix;
strarray* lib_dirs;
@@ -439,16 +440,7 @@ static strarray *get_link_args( struct options *opts, const char *output_name )
if (opts->unicode_app) strarray_add( flags, "-municode" );
if (opts->nodefaultlibs || use_wine_crt) strarray_add( flags, "-nodefaultlibs" );
if (opts->nostartfiles || use_wine_crt) strarray_add( flags, "-nostartfiles" );
-
- if (opts->subsystem)
- {
- strarray_add( flags, strmake("-Wl,--subsystem,%s", opts->subsystem ));
- if (!strcmp( opts->subsystem, "native" ))
- {
- const char *entry = opts->target_cpu == CPU_x86 ? "_DriverEntry at 8" : "DriverEntry";
- strarray_add( flags, strmake( "-Wl,--entry,%s", entry ));
- }
- }
+ if (opts->subsystem) strarray_add( flags, strmake("-Wl,--subsystem,%s", opts->subsystem ));
strarray_add( flags, "-Wl,--nxcompat" );
@@ -957,7 +949,7 @@ static void build(struct options* opts)
const char *spec_o_name, *libgcc = NULL;
const char *output_name, *spec_file, *lang;
int generate_app_loader = 1;
- const char* crt_lib = NULL;
+ const char *crt_lib = NULL, *entry_point = NULL;
int fake_module = 0;
int is_pe = (opts->target_platform == PLATFORM_WINDOWS || opts->target_platform == PLATFORM_CYGWIN);
unsigned int j;
@@ -1098,6 +1090,19 @@ static void build(struct options* opts)
}
if (!opts->nostdlib && !is_pe) add_library(opts, lib_dirs, files, "wine");
+ /* set default entry point, if needed */
+ if (!opts->entry_point)
+ {
+ if (is_pe)
+ {
+ if (opts->subsystem && !strcmp( opts->subsystem, "native" ))
+ entry_point = opts->target_cpu == CPU_x86 ? "_DriverEntry at 8" : "DriverEntry";
+ }
+ else if (!opts->shared && opts->unicode_app)
+ entry_point = "__wine_spec_exe_wentry";
+ }
+ else entry_point = opts->entry_point;
+
/* run winebuild to generate the .spec.o file */
spec_args = get_winebuild_args( opts );
strarray_add( spec_args, strmake( "--cc-cmd=%s", build_tool_name( opts, "gcc", CC )));
@@ -1133,14 +1138,15 @@ static void build(struct options* opts)
strarray_add(spec_args, output_name);
strarray_add(spec_args, "--subsystem");
strarray_add(spec_args, opts->gui_app ? "windows" : "console");
- if (opts->unicode_app)
- {
- strarray_add(spec_args, "--entry");
- strarray_add(spec_args, "__wine_spec_exe_wentry");
- }
if (opts->large_address_aware) strarray_add( spec_args, "--large-address-aware" );
}
+ if (entry_point)
+ {
+ strarray_add(spec_args, "--entry");
+ strarray_add(spec_args, entry_point);
+ }
+
if (opts->subsystem)
{
strarray_add(spec_args, "--subsystem");
@@ -1196,6 +1202,8 @@ static void build(struct options* opts)
for ( j = 0; j < lib_dirs->size; j++ )
strarray_add(link_args, strmake("-L%s", lib_dirs->base[j]));
+ if (is_pe && entry_point) strarray_add(link_args, strmake("-Wl,--entry,%s", entry_point));
+
strarray_add(link_args, spec_o_name);
if (is_pe)
@@ -1677,6 +1685,11 @@ int main(int argc, char **argv)
opts.subsystem = strdup( Wl->base[++j] );
continue;
}
+ if (!strcmp(Wl->base[j], "--entry") && j < Wl->size - 1)
+ {
+ opts.entry_point = strdup( Wl->base[++j] );
+ continue;
+ }
if (!strcmp(Wl->base[j], "-delayload") && j < Wl->size - 1)
{
strarray_add( opts.delayimports, Wl->base[++j] );
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