about summary refs log tree commit diff stats
path: root/src/wrapped32/wrappedldlinux.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/wrapped32/wrappedldlinux.c')
-rwxr-xr-xsrc/wrapped32/wrappedldlinux.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/wrapped32/wrappedldlinux.c b/src/wrapped32/wrappedldlinux.c
new file mode 100755
index 00000000..f0c8bf89
--- /dev/null
+++ b/src/wrapped32/wrappedldlinux.c
@@ -0,0 +1,58 @@
+#define _GNU_SOURCE         /* See feature_test_macros(7) */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dlfcn.h>
+
+#include "wrappedlibs.h"
+
+#include "debug.h"
+#include "wrapper32.h"
+#include "bridge.h"
+#include "librarian/library_private.h"
+#include "x64emu.h"
+#include "emu/x64emu_private.h"
+#include "elfloader.h"
+#include "box32context.h"
+
+typedef struct my32_tls_s {
+    int         i;
+    uint32_t     o;
+} my32_tls_t;
+
+EXPORT void* my32___tls_get_addr(x64emu_t* emu, void* p)
+{
+    my32_tls_t *t = (my32_tls_t*)p;
+    return GetDTatOffset(emu->context, t->i, t->o);
+}
+
+EXPORT void* my32____tls_get_addr(x64emu_t* emu)
+{
+    // the GNU version (with 3 '_') use register for the parameter!
+    my32_tls_t *t = (my32_tls_t*)from_ptrv(R_EAX);
+    return GetDTatOffset(emu->context, t->i, t->o);
+}
+
+EXPORT ptr_t my32___libc_stack_end;
+static void stSetup32(box64context_t* context)
+{
+    my32___libc_stack_end = to_ptrv(context->stack);   // is this the end, or should I add stasz?
+}
+
+// don't try to load the actual ld-linux (because name is variable), just use box64 itself, as it's linked to ld-linux
+static const char* ldlinuxName = "ld-linux.so.3";
+#define LIBNAME ldlinux
+
+// fake (ignored) _r_data structure
+EXPORT void* my32__r_debug[5];
+
+#define PRE_INIT\
+    if(1)                                                           \
+        lib->w.lib = dlopen(NULL, RTLD_LAZY | RTLD_GLOBAL);    \
+    else
+
+#define CUSTOM_INIT         \
+    stSetup32(box64);         \
+
+#include "wrappedlib_init32.h"
+