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https://github.com/ValveSoftware/Proton.git
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vrclient: Generate call_flat_method() functions.
In order to remove hardcoded limit for parameter count in C API functions.
This commit is contained in:
Józef Kucia
Józef Kucia
parent
23ffdc5ec8
commit
d687b83fcb
139
vrclient_x64/flatapi.c
Normal file
139
vrclient_x64/flatapi.c
Normal file
@ -0,0 +1,139 @@
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/* This file is auto-generated, do not edit. */
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "cxx.h"
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#include "flatapi.h"
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#ifdef __i386__
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__ASM_GLOBAL_FUNC(call_flat_method,
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"popl %eax\n\t"
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"pushl %ecx\n\t"
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"pushl %eax\n\t"
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"jmp *%edx");
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#else
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// handles "this" and up to 3 parameters
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__ASM_GLOBAL_FUNC(call_flat_method,
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"jmp *%r11");
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extern void call_flat_method(void);
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__ASM_GLOBAL_FUNC(call_flat_method4,
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"subq $0x28, %rsp\n\t"
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"movq %r9, 0x20(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x28, %rsp\n\t"
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"ret");
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extern void call_flat_method4(void);
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__ASM_GLOBAL_FUNC(call_flat_method5,
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"subq $0x38, %rsp\n\t"
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"movq %r9, 0x20(%rsp)\n\t"
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"movq 0x60(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x28(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x38, %rsp\n\t"
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"ret");
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extern void call_flat_method5(void);
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__ASM_GLOBAL_FUNC(call_flat_method6,
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"subq $0x38, %rsp\n\t"
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"movq %r9, 0x20(%rsp)\n\t"
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"movq 0x60(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x28(%rsp)\n\t"
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"movq 0x68(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x30(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x38, %rsp\n\t"
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"ret");
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extern void call_flat_method6(void);
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__ASM_GLOBAL_FUNC(call_flat_method7,
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"subq $0x48, %rsp\n\t"
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"movq %r9, 0x20(%rsp)\n\t"
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"movq 0x70(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x28(%rsp)\n\t"
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"movq 0x78(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x30(%rsp)\n\t"
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"movq 0x80(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x38(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x48, %rsp\n\t"
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"ret");
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extern void call_flat_method7(void);
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__ASM_GLOBAL_FUNC(call_flat_method8,
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"subq $0x48, %rsp\n\t"
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"movq %r9, 0x20(%rsp)\n\t"
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"movq 0x70(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x28(%rsp)\n\t"
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"movq 0x78(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x30(%rsp)\n\t"
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"movq 0x80(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x38(%rsp)\n\t"
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"movq 0x88(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x40(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x48, %rsp\n\t"
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"ret");
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extern void call_flat_method8(void);
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__ASM_GLOBAL_FUNC(call_flat_method9,
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"subq $0x58, %rsp\n\t"
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"movq %r9, 0x20(%rsp)\n\t"
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"movq 0x80(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x28(%rsp)\n\t"
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"movq 0x88(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x30(%rsp)\n\t"
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"movq 0x90(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x38(%rsp)\n\t"
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"movq 0x98(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x40(%rsp)\n\t"
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"movq 0xa0(%rsp), %rax\n\t" // copy parameter
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"movq %rax, 0x48(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x58, %rsp\n\t"
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"ret");
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extern void call_flat_method9(void);
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pfn_call_flat_method get_call_flat_method_pfn( int param_count )
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{
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if (param_count <= 3) return call_flat_method;
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if (param_count == 4) return call_flat_method4;
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if (param_count == 5) return call_flat_method5;
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if (param_count == 6) return call_flat_method6;
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if (param_count == 7) return call_flat_method7;
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if (param_count == 8) return call_flat_method8;
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return call_flat_method9;
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}
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#endif
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@ -51,18 +51,7 @@ static const struct thunk thunk_template =
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typedef void (*pfn_call_flat_method)(void);
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extern void call_flat_method3(void);
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extern void call_flat_method4(void);
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extern void call_flat_method9(void);
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static inline pfn_call_flat_method get_call_flat_method_pfn( int param_count )
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{
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if (param_count <= 3)
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return call_flat_method3;
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if (param_count <= 4)
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return call_flat_method4;
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return call_flat_method9;
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}
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extern pfn_call_flat_method get_call_flat_method_pfn( int param_count );
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static inline void init_thunk( struct thunk *thunk, void *this, void *proc, int param_count )
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{
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@ -400,6 +400,8 @@ def get_iface_version(classname):
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class_versions[classname].append(ver)
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return (ver, False)
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max_c_api_param_count = 0
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def handle_class(sdkver, classnode):
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print("handle_class: " + classnode.displayname)
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children = list(classnode.get_children())
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@ -505,9 +507,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(vrclient);
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cfile.write(" TRACE(\"-> %p, vtable %p, thunks %p\\n\", r, vtable, thunks);\n")
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for i in range(len(methods)):
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param_count = methods_param_count[i]
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if param_count > 9:
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# Additional call_flat_method() variants are needed to handle more parameters.
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sys.exit("Unhandled parameter count %s for method %s" % (param_count, methods[i]))
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global max_c_api_param_count
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max_c_api_param_count = max(param_count, max_c_api_param_count)
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cfile.write(" init_thunk(&thunks[%d], r, %s_%s, %s);\n" % (i, winclassname, methods[i], param_count))
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cfile.write(" for (i = 0; i < %d; i++)\n" % len(methods))
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cfile.write(" vtable[i] = &thunks[i];\n")
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@ -629,6 +630,80 @@ def handle_struct(sdkver, struct, which):
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generated_struct_handlers.append(handler_name)
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def generate_x64_call_flat_method(cfile, param_count):
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assert param_count >= 4
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def l(line):
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cfile.write(line + '\n')
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stack_space = 0x20 # shadow register space
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stack_space += 0x8 * (param_count - 3)
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stack_space |= 0x8
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src_offset = 0x20 + 0x8 + stack_space # shadow register space + ret
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dst_offset = 0x20
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l(r"__ASM_GLOBAL_FUNC(call_flat_method%s," % param_count)
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l(r' "subq $0x%x, %%rsp\n\t"' % stack_space);
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l(r' "movq %%r9, 0x%x(%%rsp)\n\t"' % dst_offset)
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dst_offset += 8
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for i in range(5, param_count + 1):
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l(r' "movq 0x%x(%%rsp), %%rax\n\t" // copy parameter' % src_offset)
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l(r' "movq %%rax, 0x%x(%%rsp)\n\t"' % dst_offset)
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src_offset += 8
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dst_offset += 8
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l(r' "movq %r8, %r9\n\t" // shift over arguments')
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l(r' "movq %rdx, %r8\n\t"')
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l(r' "movq %rcx, %rdx\n\t"')
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l(r' "movq %r10, %rcx\n\t" // add This pointer')
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l(r' "call *%r11\n\t"')
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l(r' "addq $0x%x, %%rsp\n\t"' % stack_space);
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l(r' "ret");')
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l(r'extern void call_flat_method%s(void);' % param_count);
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def generate_flatapi_c():
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with open("flatapi.c", "w") as f:
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f.write(r"""/* This file is auto-generated, do not edit. */
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "cxx.h"
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#include "flatapi.h"
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#ifdef __i386__
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__ASM_GLOBAL_FUNC(call_flat_method,
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"popl %eax\n\t"
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"pushl %ecx\n\t"
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"pushl %eax\n\t"
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"jmp *%edx");
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#else
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// handles "this" and up to 3 parameters
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__ASM_GLOBAL_FUNC(call_flat_method,
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"jmp *%r11");
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extern void call_flat_method(void);
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""")
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for i in range(4, max_c_api_param_count + 1):
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f.write("\n")
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generate_x64_call_flat_method(f, i)
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f.write('\npfn_call_flat_method get_call_flat_method_pfn( int param_count )\n{\n')
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f.write(' if (param_count <= 3) return call_flat_method;\n')
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for i in range(4, max_c_api_param_count):
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f.write(' if (param_count == %s) return call_flat_method%s;\n' % (i, i))
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f.write(' return call_flat_method%s;\n' % max_c_api_param_count)
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f.write('}\n')
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f.write("#endif\n")
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#clang.cindex.Config.set_library_file("/usr/lib/llvm-3.8/lib/libclang-3.8.so.1");
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@ -678,3 +753,5 @@ for sdkver in sdk_versions:
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for f in cpp_files_need_close_brace:
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m = open(f, "a")
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m.write("\n}\n")
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generate_flatapi_c()
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@ -23,7 +23,6 @@
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#include "wined3d-interop.h"
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#include "cxx.h"
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#include "flatapi.h"
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#include "cppIVRClientCore_IVRClientCore_003.h"
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@ -910,53 +909,3 @@ void destroy_compositor_data(struct compositor_data *data)
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wined3d_device->lpVtbl->wait_idle(wined3d_device);
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}
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}
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/* call_flat_method() definition */
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#ifdef __i386__
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__ASM_GLOBAL_FUNC(call_flat_method,
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"popl %eax\n\t"
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"pushl %ecx\n\t"
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"pushl %eax\n\t"
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"jmp *%edx");
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#else
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// handles "this" and up to 3 parameters
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__ASM_GLOBAL_FUNC(call_flat_method3,
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"jmp *%r11");
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__ASM_GLOBAL_FUNC(call_flat_method4,
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"subq $0x28, %rsp\n\t" // shadow register space and 1 parameter
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"movq %r9, 0x20(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x28, %rsp\n\t"
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"ret");
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// handles "this" and up to 9 parameters
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__ASM_GLOBAL_FUNC(call_flat_method9,
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"subq $0x58, %rsp\n\t" // shadow register space and 6 parameters
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"movq %r9, 0x20(%rsp)\n\t"
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"movq 0x80(%rsp), %rax\n\t" // copy parameters
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"movq %rax, 0x28(%rsp)\n\t"
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"movq 0x88(%rsp), %rax\n\t"
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"movq %rax, 0x30(%rsp)\n\t"
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"movq 0x90(%rsp), %rax\n\t"
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"movq %rax, 0x38(%rsp)\n\t"
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"movq 0x98(%rsp), %rax\n\t"
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"movq %rax, 0x40(%rsp)\n\t"
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"movq 0xa0(%rsp), %rax\n\t"
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"movq %rax, 0x48(%rsp)\n\t"
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"movq %r8, %r9\n\t" // shift over arguments
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"movq %rdx, %r8\n\t"
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"movq %rcx, %rdx\n\t"
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"movq %r10, %rcx\n\t" // add This pointer
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"call *%r11\n\t"
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"addq $0x58, %rsp\n\t"
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"ret");
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#endif
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