Match and link more of Runtime

Former-commit-id: 91943cb93e
This commit is contained in:
Phillip Stephens 2022-10-10 01:46:54 -07:00
parent a138fafdcf
commit 6f4c7cdbad
7 changed files with 194 additions and 3 deletions

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@ -843,12 +843,12 @@ LIBS = [
"objects": [
["Runtime/__mem", True],
"Runtime/__va_arg",
"Runtime/global_destructor_chain",
"Runtime/CPlusLibPPC",
["Runtime/global_destructor_chain", True],
["Runtime/CPlusLibPPC", True],
"Runtime/NMWException",
"Runtime/ptmf",
"Runtime/runtime",
"Runtime/__init_cpp_exceptions",
["Runtime/__init_cpp_exceptions", True],
"Runtime/Gecko_ExceptionPPC",
["Runtime/abort_exit", True],
"Runtime/alloc",

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@ -0,0 +1,25 @@
#include "MWCPlusLib.h"
#ifdef __cplusplus
extern "C" {
#endif
void* __copy(char* to, char* from, size_t size) {
char* p;
if (to && size) {
p = to;
do {
*p = *from;
++p;
++from;
--size;
} while (size > 0);
}
return to;
}
#ifdef __cplusplus
}
#endif

15
src/Runtime/MWCPlusLib.h Normal file
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@ -0,0 +1,15 @@
#ifndef _MWCPLUSLIB
#define _MWCPLUSLIB
#include <types.h>
#ifdef __cplusplus
extern "C" {
#endif
void* __copy(char* to, char* from, size_t size);
#ifdef __cplusplus
}
#endif
#endif // _MWCPLUSLIB

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@ -0,0 +1,50 @@
#include "NMWException.h"
#include "__ppc_eabi_linker.h"
static int fragmentID = -2;
#ifdef __cplusplus
extern "C" {
#endif
extern void __init_cpp_exceptions(void);
extern void __fini_cpp_exceptions(void);
extern void suspend(void);
#ifdef __cplusplus
}
#endif
/* clang-format off */
static asm char* GetR2() {
nofralloc;
mr r3, r2
blr
}
/* clang-format on */
extern void __init_cpp_exceptions(void) {
char* R2;
if (fragmentID == -2) {
R2 = GetR2();
/* HACK: TODO: _eti_init_info_ should be _eti_init_info, we can't use the appropriate name yet due to the
* linker not being able to generate it*/
fragmentID = __register_fragment(_eti_init_info_, R2);
}
}
extern void __fini_cpp_exceptions(void) {
if (fragmentID != -2) {
__unregister_fragment(fragmentID);
fragmentID = -2;
}
}
__declspec(section
".ctors") static void* const __init_cpp_exceptions_reference = __init_cpp_exceptions;
__declspec(section
".dtors") static void* const __destroy_global_chain_reference = __destroy_global_chain;
__declspec(section
".dtors") static void* const __fini_cpp_exceptions_reference = __fini_cpp_exceptions;

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@ -0,0 +1,74 @@
#ifndef __PPC_EABI_LINKER
#define __PPC_EABI_LINKER
__declspec(section ".init") extern char _stack_addr[];
__declspec(section ".init") extern char _stack_end[];
__declspec(section ".init") extern char _heap_addr[];
__declspec(section ".init") extern char _heap_end[];
__declspec(section ".init") extern const char _fextabindex_rom[];
__declspec(section ".init") extern char _fextabindex[];
__declspec(section ".init") extern char _eextabindex[];
__declspec(section ".init") extern char _SDA_BASE_[];
__declspec(section ".init") extern char _SDA2_BASE_[];
typedef struct __rom_copy_info {
char* rom;
char* addr;
unsigned int size;
} __rom_copy_info;
__declspec(section ".init") extern __rom_copy_info _rom_copy_info[];
typedef struct __bss_init_info {
char* addr;
unsigned int size;
} __bss_init_info;
__declspec(section ".init") extern __bss_init_info _bss_init_info[];
typedef struct __eti_init_info {
void* eti_start;
void* eti_end;
void* code_start;
unsigned long code_size;
} __eti_init_info;
/* TODO: Fix this once we can link with generated symbols */
__declspec(section ".init") extern __eti_init_info _eti_init_info_[];
__declspec(section ".init") extern const char _f_init_rom[];
__declspec(section ".init") extern char _f_init[];
__declspec(section ".init") extern char _e_init[];
__declspec(section ".init") extern const char _f_text_rom[];
__declspec(section ".init") extern char _f_text[];
__declspec(section ".init") extern char _e_text[];
__declspec(section ".init") extern const char _f_rodata_rom[];
__declspec(section ".init") extern char _f_rodata[];
__declspec(section ".init") extern char _e_rodata[];
__declspec(section ".init") extern const char _fextab_rom[];
__declspec(section ".init") extern char _fextab[];
__declspec(section ".init") extern char _eextab[];
__declspec(section ".init") extern const char _f_data_rom[];
__declspec(section ".init") extern char _f_data[];
__declspec(section ".init") extern char _e_data[];
__declspec(section ".init") extern char _f_bss[];
__declspec(section ".init") extern char _e_bss[];
__declspec(section ".init") extern const char _f_sdata_rom[];
__declspec(section ".init") extern char _f_sdata[];
__declspec(section ".init") extern char _e_sdata[];
__declspec(section ".init") extern char _f_sbss[];
__declspec(section ".init") extern char _e_sbss[];
__declspec(section ".init") extern const char _f_sdata2_rom[];
__declspec(section ".init") extern char _f_sdata2[];
__declspec(section ".init") extern char _e_sdata2[];
__declspec(section ".init") extern char _f_sbss2[];
__declspec(section ".init") extern char _e_sbss2[];
__declspec(section ".init") extern const char _f_PPC_EMB_sdata0_rom[];
__declspec(section ".init") extern char _f_PPC_EMB_sdata0[];
__declspec(section ".init") extern char _e_PPC_EMB_sdata0[];
__declspec(section ".init") extern char _f_PPC_EMB_sbss0[];
__declspec(section ".init") extern char _e_PPC_EMB_sbss0[];
#endif // __PPC_EABI_LINKER

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@ -0,0 +1,27 @@
#include "NMWException.h"
typedef void (*CompleteDestructor)(void *,int);
DestructorChain* __global_destructor_chain;
extern void* __register_global_object(void* object, void* destructor, void* regmem) {
((DestructorChain*)regmem)->next = __global_destructor_chain;
((DestructorChain*)regmem)->destructor = destructor;
((DestructorChain*)regmem)->object = object;
__global_destructor_chain = (DestructorChain*)regmem;
return object;
}
void __destroy_global_chain(void) {
DestructorChain* iter;
while ((iter=__global_destructor_chain) != 0) {
__global_destructor_chain = iter->next;
((CompleteDestructor)iter->destructor)(iter->object, -1);
}
}
__declspec(section
".dtors") static void* const __destroy_global_chain_reference = __destroy_global_chain;