mirror of
https://github.com/mirror/tinycc.git
synced 2024-12-26 03:50:07 +08:00
portability: fix void* <-> target address conversion confusion
- #define addr_t as ElfW(Addr) - replace uplong by addr_t - #define TCC_HAS_RUNTIME_PLTGOT and use it
This commit is contained in:
grischka
parent
3186455599
commit
82bcbd027f
12
libtcc.c
12
libtcc.c
@ -423,7 +423,7 @@ ST_FUNC Section *find_section(TCCState *s1, const char *name)
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/* update sym->c so that it points to an external symbol in section
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'section' with value 'value' */
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ST_FUNC void put_extern_sym2(Sym *sym, Section *section,
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uplong value, unsigned long size,
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addr_t value, unsigned long size,
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int can_add_underscore)
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{
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int sym_type, sym_bind, sh_num, info, other;
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@ -527,7 +527,7 @@ ST_FUNC void put_extern_sym2(Sym *sym, Section *section,
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}
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ST_FUNC void put_extern_sym(Sym *sym, Section *section,
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uplong value, unsigned long size)
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addr_t value, unsigned long size)
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{
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put_extern_sym2(sym, section, value, size, 1);
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}
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@ -1279,11 +1279,11 @@ LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
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LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val)
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{
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#ifdef TCC_TARGET_PE
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pe_putimport(s, 0, name, val);
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pe_putimport(s, 0, name, (uintptr_t)val);
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#else
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add_elf_sym(symtab_section, (uplong)val, 0,
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ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
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SHN_ABS, name);
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add_elf_sym(symtab_section, (uintptr_t)val, 0,
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ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
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SHN_ABS, name);
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#endif
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return 0;
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}
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115
tcc.h
115
tcc.h
@ -42,25 +42,28 @@
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#include <setjmp.h>
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#include <time.h>
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#ifdef _WIN32
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#include <windows.h>
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#include <sys/timeb.h>
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#include <io.h> /* open, close etc. */
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#include <direct.h> /* getcwd */
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#define inline __inline
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#define inp next_inp
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#ifdef LIBTCC_AS_DLL
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# define LIBTCCAPI __declspec(dllexport)
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# define PUB_FUNC LIBTCCAPI
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#endif
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#endif
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#ifndef _WIN32
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/ucontext.h>
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#include <sys/mman.h>
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#include <dlfcn.h>
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# include <unistd.h>
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# include <sys/time.h>
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# include <sys/ucontext.h>
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# include <sys/mman.h>
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# include <dlfcn.h>
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#else
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# include <windows.h>
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# include <sys/timeb.h>
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# include <io.h> /* open, close etc. */
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# include <direct.h> /* getcwd */
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# ifdef __GNUC__
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# include <stdint.h>
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# else
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typedef UINT_PTR uintptr_t;
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# endif
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# define inline __inline
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# define inp next_inp
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# ifdef LIBTCC_AS_DLL
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# define LIBTCCAPI __declspec(dllexport)
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# define PUB_FUNC LIBTCCAPI
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# endif
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#endif
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#endif /* !CONFIG_TCCBOOT */
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@ -78,6 +81,27 @@
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#endif
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#include "elf.h"
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#ifdef TCC_TARGET_X86_64
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# define ELFCLASSW ELFCLASS64
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# define ElfW(type) Elf##64##_##type
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# define ELFW(type) ELF##64##_##type
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# define ElfW_Rel ElfW(Rela)
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# define SHT_RELX SHT_RELA
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# define REL_SECTION_FMT ".rela%s"
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/* XXX: DLL with PLT would only work with x86-64 for now */
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# define TCC_OUTPUT_DLL_WITH_PLT
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#else
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# define ELFCLASSW ELFCLASS32
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# define ElfW(type) Elf##32##_##type
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# define ELFW(type) ELF##32##_##type
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# define ElfW_Rel ElfW(Rel)
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# define SHT_RELX SHT_REL
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# define REL_SECTION_FMT ".rel%s"
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#endif
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/* target address type */
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#define addr_t ElfW(Addr)
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#include "stab.h"
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#include "libtcc.h"
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@ -139,13 +163,6 @@
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# define CONFIG_TCC_BACKTRACE
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#endif
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/* target address type */
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#if defined TCC_TARGET_X86_64 && (!defined __x86_64__ || defined _WIN32)
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# define uplong unsigned long long
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#else
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# define uplong unsigned long
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#endif
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/* ------------ path configuration ------------ */
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#ifndef CONFIG_SYSROOT
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@ -327,7 +344,7 @@ typedef struct Section {
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int sh_addralign; /* elf section alignment */
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int sh_entsize; /* elf entry size */
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unsigned long sh_size; /* section size (only used during output) */
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uplong sh_addr; /* address at which the section is relocated */
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addr_t sh_addr; /* address at which the section is relocated */
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unsigned long sh_offset; /* file offset */
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int nb_hashed_syms; /* used to resize the hash table */
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struct Section *link; /* link to another section */
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@ -552,7 +569,7 @@ struct TCCState {
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int alacarte_link;
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/* address of text section */
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uplong text_addr;
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addr_t text_addr;
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int has_text_addr;
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/* symbols to call at load-time / unload-time */
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@ -644,12 +661,12 @@ struct TCCState {
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#endif
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#endif
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#ifndef TCC_TARGET_PE
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#if defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM
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#if defined TCC_IS_NATIVE && !defined TCC_TARGET_PE \
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&& (defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM)
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/* write PLT and GOT here */
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char *runtime_plt_and_got;
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unsigned int runtime_plt_and_got_offset;
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#endif
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# define TCC_HAS_RUNTIME_PLTGOT
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#endif
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};
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@ -1007,8 +1024,8 @@ ST_FUNC void *section_ptr_add(Section *sec, unsigned long size);
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ST_FUNC void section_reserve(Section *sec, unsigned long size);
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ST_FUNC Section *find_section(TCCState *s1, const char *name);
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ST_FUNC void put_extern_sym2(Sym *sym, Section *section, uplong value, unsigned long size, int can_add_underscore);
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ST_FUNC void put_extern_sym(Sym *sym, Section *section, uplong value, unsigned long size);
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ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore);
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ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size);
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ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type);
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ST_INLN void sym_free(Sym *sym);
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@ -1187,8 +1204,8 @@ typedef struct {
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ST_FUNC Section *new_symtab(TCCState *s1, const char *symtab_name, int sh_type, int sh_flags, const char *strtab_name, const char *hash_name, int hash_sh_flags);
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ST_FUNC int put_elf_str(Section *s, const char *sym);
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ST_FUNC int put_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int shndx, const char *name);
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ST_FUNC int add_elf_sym(Section *s, uplong value, unsigned long size, int info, int other, int sh_num, const char *name);
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ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name);
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ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name);
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ST_FUNC int find_elf_sym(Section *s, const char *name);
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ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol);
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@ -1204,12 +1221,16 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s);
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ST_FUNC void tcc_add_linker_symbols(TCCState *s1);
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ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset);
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ST_FUNC int tcc_load_archive(TCCState *s1, int fd);
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ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
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ST_FUNC void tcc_add_bcheck(TCCState *s1);
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ST_FUNC void build_got_entries(TCCState *s1);
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ST_FUNC void tcc_add_runtime(TCCState *s1);
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ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err);
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#ifdef TCC_IS_NATIVE
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ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name);
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#endif
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#ifndef TCC_TARGET_PE
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ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level);
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ST_FUNC int tcc_load_ldscript(TCCState *s1);
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@ -1219,24 +1240,6 @@ ST_INLN void inp(void);
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ST_FUNC int handle_eob(void);
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#endif
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#ifdef TCC_TARGET_X86_64
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# define ELFCLASSW ELFCLASS64
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# define ElfW(type) Elf##64##_##type
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# define ELFW(type) ELF##64##_##type
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# define ElfW_Rel ElfW(Rela)
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# define SHT_RELX SHT_RELA
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# define REL_SECTION_FMT ".rela%s"
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/* XXX: DLL with PLT would only work with x86-64 for now */
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# define TCC_OUTPUT_DLL_WITH_PLT
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#else
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# define ELFCLASSW ELFCLASS32
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# define ElfW(type) Elf##32##_##type
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# define ELFW(type) ELF##32##_##type
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# define ElfW_Rel ElfW(Rel)
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# define SHT_RELX SHT_REL
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# define REL_SECTION_FMT ".rel%s"
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#endif
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/* ------------ xxx-gen.c ------------ */
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ST_FUNC void gsym_addr(int t, int a);
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@ -1319,7 +1322,7 @@ ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str);
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#ifdef TCC_TARGET_PE
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ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd);
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ST_FUNC int pe_output_file(TCCState * s1, const char *filename);
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ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value);
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ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value);
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ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2);
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/* tiny_impdef.c */
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ST_FUNC char *get_export_names(FILE *fp);
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@ -1329,6 +1332,7 @@ ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
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#endif
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/* ------------ tccrun.c ----------------- */
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#ifdef TCC_IS_NATIVE
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#ifdef CONFIG_TCC_STATIC
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#define RTLD_LAZY 0x001
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#define RTLD_NOW 0x002
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@ -1339,7 +1343,7 @@ ST_FUNC void *dlopen(const char *filename, int flag);
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ST_FUNC void dlclose(void *p);
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//ST_FUNC const char *dlerror(void);
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ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
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#elif !defined TCC_TARGET_PE || !defined _WIN32
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#elif !defined _WIN32
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ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol);
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#endif
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@ -1349,6 +1353,7 @@ ST_DATA const char **rt_bound_error_msg;
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ST_DATA void *rt_prog_main;
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PUB_FUNC void tcc_set_num_callers(int n);
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#endif
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#endif
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/********************************************************/
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/* include the target specific definitions */
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@ -933,7 +933,7 @@ ST_FUNC int tcc_load_coff(TCCState * s1, int fd)
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if (name[0] == '_' && strcmp(name, "_main") != 0)
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name++;
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tcc_add_symbol(s1, name, (void*)(uplong)csym.n_value);
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tcc_add_symbol(s1, name, (void*)(uintptr_t)csym.n_value);
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}
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// skip any aux records
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77
tccelf.c
77
tccelf.c
@ -84,7 +84,7 @@ static void rebuild_hash(Section *s, unsigned int nb_buckets)
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}
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/* return the symbol number */
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ST_FUNC int put_elf_sym(Section *s, uplong value, unsigned long size,
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ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size,
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int info, int other, int shndx, const char *name)
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{
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int name_offset, sym_index;
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@ -157,7 +157,7 @@ ST_FUNC int find_elf_sym(Section *s, const char *name)
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}
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/* return elf symbol value, signal error if 'err' is nonzero */
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static void *get_elf_sym_addr(TCCState *s, const char *name, int err)
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ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err)
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{
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int sym_index;
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ElfW(Sym) *sym;
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@ -167,26 +167,28 @@ static void *get_elf_sym_addr(TCCState *s, const char *name, int err)
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if (!sym_index || sym->st_shndx == SHN_UNDEF) {
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if (err)
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tcc_error("%s not defined", name);
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return NULL;
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return 0;
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}
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return (void*)(uplong)sym->st_value;
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return sym->st_value;
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}
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#ifdef TCC_IS_NATIVE
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/* return elf symbol value */
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LIBTCCAPI void *tcc_get_symbol(TCCState *s, const char *name)
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{
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return get_elf_sym_addr(s, name, 0);
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return (void*)get_elf_sym_addr(s, name, 0);
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}
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/* return elf symbol value or error */
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ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name)
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ST_FUNC void* tcc_get_symbol_err(TCCState *s, const char *name)
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{
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return get_elf_sym_addr(s, name, 1);
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return (void*)get_elf_sym_addr(s, name, 1);
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}
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#endif
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/* add an elf symbol : check if it is already defined and patch
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it. Return symbol index. NOTE that sh_num can be SHN_UNDEF. */
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ST_FUNC int add_elf_sym(Section *s, uplong value, unsigned long size,
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ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size,
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int info, int other, int sh_num, const char *name)
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{
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ElfW(Sym) *esym;
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@ -431,12 +433,12 @@ ST_FUNC void relocate_syms(TCCState *s1, int do_resolve)
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if (sh_num == SHN_UNDEF) {
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name = strtab_section->data + sym->st_name;
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if (do_resolve) {
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#if !defined TCC_TARGET_PE || !defined _WIN32
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#if defined TCC_IS_NATIVE && !defined _WIN32
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void *addr;
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name = symtab_section->link->data + sym->st_name;
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addr = resolve_sym(s1, name);
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if (addr) {
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sym->st_value = (uplong)addr;
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sym->st_value = (addr_t)addr;
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goto found;
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}
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#endif
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@ -469,10 +471,10 @@ ST_FUNC void relocate_syms(TCCState *s1, int do_resolve)
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}
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}
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#ifndef TCC_TARGET_PE
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#ifdef TCC_HAS_RUNTIME_PLTGOT
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#ifdef TCC_TARGET_X86_64
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#define JMP_TABLE_ENTRY_SIZE 14
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static uplong add_jmp_table(TCCState *s1, uplong val)
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static addr_t add_jmp_table(TCCState *s1, addr_t val)
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{
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char *p = s1->runtime_plt_and_got + s1->runtime_plt_and_got_offset;
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s1->runtime_plt_and_got_offset += JMP_TABLE_ENTRY_SIZE;
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@ -480,30 +482,30 @@ static uplong add_jmp_table(TCCState *s1, uplong val)
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p[0] = 0xff;
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p[1] = 0x25;
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*(int *)(p + 2) = 0;
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*(uplong *)(p + 6) = val;
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return (uplong)p;
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*(addr_t *)(p + 6) = val;
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return (addr_t)p;
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}
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static uplong add_got_table(TCCState *s1, uplong val)
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static addr_t add_got_table(TCCState *s1, addr_t val)
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{
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uplong *p = (uplong *)(s1->runtime_plt_and_got + s1->runtime_plt_and_got_offset);
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s1->runtime_plt_and_got_offset += sizeof(uplong);
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addr_t *p = (addr_t *)(s1->runtime_plt_and_got + s1->runtime_plt_and_got_offset);
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s1->runtime_plt_and_got_offset += sizeof(addr_t);
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*p = val;
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return (uplong)p;
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return (addr_t)p;
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}
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#elif defined TCC_TARGET_ARM
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#define JMP_TABLE_ENTRY_SIZE 8
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static uplong add_jmp_table(TCCState *s1, int val)
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static addr_t add_jmp_table(TCCState *s1, int val)
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{
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uint32_t *p = (uint32_t *)(s1->runtime_plt_and_got + s1->runtime_plt_and_got_offset);
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s1->runtime_plt_and_got_offset += JMP_TABLE_ENTRY_SIZE;
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/* ldr pc, [pc, #-4] */
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p[0] = 0xE51FF004;
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p[1] = val;
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return (uplong)p;
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return (addr_t)p;
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}
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#endif
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#endif
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#endif /* def TCC_HAS_RUNTIME_PLTGOT */
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/* relocate a given section (CPU dependent) */
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ST_FUNC void relocate_section(TCCState *s1, Section *s)
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@ -513,7 +515,7 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
|
||||
ElfW(Sym) *sym;
|
||||
int type, sym_index;
|
||||
unsigned char *ptr;
|
||||
uplong val, addr;
|
||||
addr_t val, addr;
|
||||
#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
|
||||
int esym_index;
|
||||
#endif
|
||||
@ -612,13 +614,14 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
|
||||
is_call = (type == R_ARM_CALL);
|
||||
x += val - addr;
|
||||
h = x & 2;
|
||||
#ifndef TCC_TARGET_PE
|
||||
if ((x & 3) || x >= 0x2000000 || x < -0x2000000)
|
||||
if (!(x & 3) || !blx_avail || !is_call)
|
||||
if (s1->output_type == TCC_OUTPUT_MEMORY) {
|
||||
#ifdef TCC_HAS_RUNTIME_PLTGOT
|
||||
if (s1->output_type == TCC_OUTPUT_MEMORY) {
|
||||
if ((x & 3) || x >= 0x2000000 || x < -0x2000000)
|
||||
if (!(x & 3) || !blx_avail || !is_call) {
|
||||
x += add_jmp_table(s1, val) - val; /* add veneer */
|
||||
is_thumb = 0; /* Veneer uses ARM instructions */
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if ((x & 3) || x >= 0x2000000 || x < -0x2000000)
|
||||
if (!(x & 3) || !blx_avail || !is_call)
|
||||
@ -770,8 +773,8 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
|
||||
*(int*)ptr ^= 0xE12FFF10 ^ 0xE1A0F000; /* BX Rm -> MOV PC, Rm */
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr,"FIXME: handle reloc type %x at %x [%.8x] to %x\n",
|
||||
type, (unsigned)addr, (unsigned)(uplong)ptr, (unsigned)val);
|
||||
fprintf(stderr,"FIXME: handle reloc type %x at %x [%p] to %x\n",
|
||||
type, (unsigned)addr, ptr, (unsigned)val);
|
||||
break;
|
||||
#elif defined(TCC_TARGET_C67)
|
||||
case R_C60_32:
|
||||
@ -796,8 +799,8 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
|
||||
case R_C60HI16:
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr,"FIXME: handle reloc type %x at %x [%.8x] to %x\n",
|
||||
type, (unsigned)addr, (unsigned)(uplong)ptr, (unsigned)val);
|
||||
fprintf(stderr,"FIXME: handle reloc type %x at %x [%p] to %x\n",
|
||||
type, (unsigned)addr, ptr, (unsigned)val);
|
||||
break;
|
||||
#elif defined(TCC_TARGET_X86_64)
|
||||
case R_X86_64_64:
|
||||
@ -837,7 +840,7 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
|
||||
long long diff;
|
||||
diff = (long long)val - addr;
|
||||
if (diff <= -2147483647 || diff > 2147483647) {
|
||||
#ifndef TCC_TARGET_PE
|
||||
#ifdef TCC_HAS_RUNTIME_PLTGOT
|
||||
/* XXX: naive support for over 32bit jump */
|
||||
if (s1->output_type == TCC_OUTPUT_MEMORY) {
|
||||
val = (add_jmp_table(s1, val - rel->r_addend) +
|
||||
@ -858,7 +861,7 @@ ST_FUNC void relocate_section(TCCState *s1, Section *s)
|
||||
*(int *)ptr = val - rel->r_addend;
|
||||
break;
|
||||
case R_X86_64_GOTPCREL:
|
||||
#ifndef TCC_TARGET_PE
|
||||
#ifdef TCC_HAS_RUNTIME_PLTGOT
|
||||
if (s1->output_type == TCC_OUTPUT_MEMORY) {
|
||||
val = add_got_table(s1, val - rel->r_addend) + rel->r_addend;
|
||||
*(int *)ptr += val - addr;
|
||||
@ -1275,7 +1278,7 @@ ST_FUNC Section *new_symtab(TCCState *s1,
|
||||
}
|
||||
|
||||
/* put dynamic tag */
|
||||
static void put_dt(Section *dynamic, int dt, uplong val)
|
||||
static void put_dt(Section *dynamic, int dt, addr_t val)
|
||||
{
|
||||
ElfW(Dyn) *dyn;
|
||||
dyn = section_ptr_add(dynamic, sizeof(ElfW(Dyn)));
|
||||
@ -1545,7 +1548,7 @@ static int elf_output_file(TCCState *s1, const char *filename)
|
||||
int *section_order;
|
||||
int shnum, i, phnum, file_offset, offset, size, j, sh_order_index, k;
|
||||
long long tmp;
|
||||
uplong addr;
|
||||
addr_t addr;
|
||||
Section *strsec, *s;
|
||||
ElfW(Shdr) shdr, *sh;
|
||||
ElfW(Phdr) *phdr, *ph;
|
||||
@ -1553,9 +1556,9 @@ static int elf_output_file(TCCState *s1, const char *filename)
|
||||
unsigned long saved_dynamic_data_offset;
|
||||
ElfW(Sym) *sym;
|
||||
int type, file_type;
|
||||
uplong rel_addr, rel_size;
|
||||
addr_t rel_addr, rel_size;
|
||||
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
|
||||
uplong bss_addr, bss_size;
|
||||
addr_t bss_addr, bss_size;
|
||||
#endif
|
||||
|
||||
file_type = s1->output_type;
|
||||
@ -2191,7 +2194,7 @@ static int elf_output_file(TCCState *s1, const char *filename)
|
||||
|
||||
/* get entry point address */
|
||||
if (file_type == TCC_OUTPUT_EXE)
|
||||
ehdr.e_entry = (uplong)tcc_get_symbol_err(s1, "_start");
|
||||
ehdr.e_entry = get_elf_sym_addr(s1, "_start", 1);
|
||||
else
|
||||
ehdr.e_entry = text_section->sh_addr; /* XXX: is it correct ? */
|
||||
}
|
||||
|
||||
14
tccpe.c
14
tccpe.c
@ -1,4 +1,4 @@
|
||||
/*
|
||||
/*
|
||||
* TCCPE.C - PE file output for the Tiny C Compiler
|
||||
*
|
||||
* Copyright (c) 2005-2007 grischka
|
||||
@ -1480,11 +1480,11 @@ ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2)
|
||||
return v2;
|
||||
}
|
||||
|
||||
ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, const void *value)
|
||||
ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value)
|
||||
{
|
||||
return add_elf_sym(
|
||||
s1->dynsymtab_section,
|
||||
(uplong)value,
|
||||
value,
|
||||
dllindex, /* st_size */
|
||||
ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE),
|
||||
0,
|
||||
@ -1613,7 +1613,7 @@ static int pe_load_def(TCCState *s1, FILE *fp)
|
||||
++state;
|
||||
|
||||
default:
|
||||
pe_putimport(s1, dllindex, p, NULL);
|
||||
pe_putimport(s1, dllindex, p, 0);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
@ -1635,7 +1635,7 @@ static int pe_load_dll(TCCState *s1, const char *dllname, FILE *fp)
|
||||
return -1;
|
||||
index = add_dllref(s1, dllname);
|
||||
for (q = p; *q; q += 1 + strlen(q))
|
||||
pe_putimport(s1, index, q, NULL);
|
||||
pe_putimport(s1, index, q, 0);
|
||||
tcc_free(p);
|
||||
return 0;
|
||||
}
|
||||
@ -1729,7 +1729,7 @@ ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack)
|
||||
static void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe)
|
||||
{
|
||||
const char *start_symbol;
|
||||
unsigned long addr = 0;
|
||||
ADDR3264 addr = 0;
|
||||
int pe_type = 0;
|
||||
|
||||
if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16")))
|
||||
@ -1781,7 +1781,7 @@ static void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe)
|
||||
pe_type = PE_RUN;
|
||||
|
||||
if (start_symbol) {
|
||||
addr = (uplong)tcc_get_symbol_err(s1, start_symbol);
|
||||
addr = get_elf_sym_addr(s1, start_symbol, 1);
|
||||
if (PE_RUN == pe_type && addr)
|
||||
/* for -run GUI's, put '_runwinmain' instead of 'main' */
|
||||
add_elf_sym(symtab_section,
|
||||
|
||||
46
tccrun.c
46
tccrun.c
@ -35,7 +35,7 @@ ST_DATA void *rt_prog_main;
|
||||
|
||||
static void set_pages_executable(void *ptr, unsigned long length);
|
||||
static void set_exception_handler(void);
|
||||
static int rt_get_caller_pc(uplong *paddr, ucontext_t *uc, int level);
|
||||
static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level);
|
||||
static void rt_error(ucontext_t *uc, const char *fmt, ...);
|
||||
static int tcc_relocate_ex(TCCState *s1, void *ptr);
|
||||
|
||||
@ -127,7 +127,7 @@ static int tcc_relocate_ex(TCCState *s1, void *ptr)
|
||||
{
|
||||
Section *s;
|
||||
unsigned long offset, length;
|
||||
uplong mem;
|
||||
addr_t mem;
|
||||
int i;
|
||||
|
||||
if (0 == s1->runtime_added) {
|
||||
@ -145,7 +145,7 @@ static int tcc_relocate_ex(TCCState *s1, void *ptr)
|
||||
return -1;
|
||||
}
|
||||
|
||||
offset = 0, mem = (uplong)ptr;
|
||||
offset = 0, mem = (addr_t)ptr;
|
||||
for(i = 1; i < s1->nb_sections; i++) {
|
||||
s = s1->sections[i];
|
||||
if (0 == (s->sh_flags & SHF_ALLOC))
|
||||
@ -161,7 +161,7 @@ static int tcc_relocate_ex(TCCState *s1, void *ptr)
|
||||
if (s1->nb_errors)
|
||||
return -1;
|
||||
|
||||
#if (defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM) && !defined TCC_TARGET_PE
|
||||
#ifdef TCC_HAS_RUNTIME_PLTGOT
|
||||
s1->runtime_plt_and_got_offset = 0;
|
||||
s1->runtime_plt_and_got = (char *)(mem + offset);
|
||||
/* double the size of the buffer for got and plt entries
|
||||
@ -185,7 +185,7 @@ static int tcc_relocate_ex(TCCState *s1, void *ptr)
|
||||
continue;
|
||||
length = s->data_offset;
|
||||
// printf("%-12s %08x %04x\n", s->name, s->sh_addr, length);
|
||||
ptr = (void*)(uplong)s->sh_addr;
|
||||
ptr = (void*)s->sh_addr;
|
||||
if (NULL == s->data || s->sh_type == SHT_NOBITS)
|
||||
memset(ptr, 0, length);
|
||||
else
|
||||
@ -195,7 +195,7 @@ static int tcc_relocate_ex(TCCState *s1, void *ptr)
|
||||
set_pages_executable(ptr, length);
|
||||
}
|
||||
|
||||
#if (defined TCC_TARGET_X86_64 || defined TCC_TARGET_ARM) && !defined TCC_TARGET_PE
|
||||
#ifdef TCC_HAS_RUNTIME_PLTGOT
|
||||
set_pages_executable(s1->runtime_plt_and_got,
|
||||
s1->runtime_plt_and_got_offset);
|
||||
#endif
|
||||
@ -215,17 +215,15 @@ static void set_pages_executable(void *ptr, unsigned long length)
|
||||
unsigned long old_protect;
|
||||
VirtualProtect(ptr, length, PAGE_EXECUTE_READWRITE, &old_protect);
|
||||
#else
|
||||
unsigned long start, end;
|
||||
start = (uplong)ptr & ~(PAGESIZE - 1);
|
||||
end = (uplong)ptr + length;
|
||||
addr_t start, end;
|
||||
start = (addr_t)ptr & ~(PAGESIZE - 1);
|
||||
end = (addr_t)ptr + length;
|
||||
end = (end + PAGESIZE - 1) & ~(PAGESIZE - 1);
|
||||
mprotect((void *)start, end - start, PROT_READ | PROT_WRITE | PROT_EXEC);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* ------------------------------------------------------------- */
|
||||
#endif /* TCC_IS_NATIVE */
|
||||
|
||||
#ifdef CONFIG_TCC_BACKTRACE
|
||||
|
||||
PUB_FUNC void tcc_set_num_callers(int n)
|
||||
@ -235,10 +233,10 @@ PUB_FUNC void tcc_set_num_callers(int n)
|
||||
|
||||
/* print the position in the source file of PC value 'pc' by reading
|
||||
the stabs debug information */
|
||||
static uplong rt_printline(uplong wanted_pc, const char *msg)
|
||||
static addr_t rt_printline(addr_t wanted_pc, const char *msg)
|
||||
{
|
||||
char func_name[128], last_func_name[128];
|
||||
uplong func_addr, last_pc, pc;
|
||||
addr_t func_addr, last_pc, pc;
|
||||
const char *incl_files[INCLUDE_STACK_SIZE];
|
||||
int incl_index, len, last_line_num, i;
|
||||
const char *str, *p;
|
||||
@ -257,7 +255,7 @@ static uplong rt_printline(uplong wanted_pc, const char *msg)
|
||||
func_addr = 0;
|
||||
incl_index = 0;
|
||||
last_func_name[0] = '\0';
|
||||
last_pc = (uplong)-1;
|
||||
last_pc = (addr_t)-1;
|
||||
last_line_num = 1;
|
||||
|
||||
if (!stab_sym)
|
||||
@ -380,7 +378,7 @@ no_stabs:
|
||||
static void rt_error(ucontext_t *uc, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
uplong pc;
|
||||
addr_t pc;
|
||||
int i;
|
||||
|
||||
fprintf(stderr, "Runtime error: ");
|
||||
@ -393,7 +391,7 @@ static void rt_error(ucontext_t *uc, const char *fmt, ...)
|
||||
if (rt_get_caller_pc(&pc, uc, i) < 0)
|
||||
break;
|
||||
pc = rt_printline(pc, i ? "by" : "at");
|
||||
if (pc == (uplong)rt_prog_main && pc)
|
||||
if (pc == (addr_t)rt_prog_main && pc)
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -464,7 +462,7 @@ static void set_exception_handler(void)
|
||||
#endif
|
||||
|
||||
/* return the PC at frame level 'level'. Return non zero if not found */
|
||||
static int rt_get_caller_pc(unsigned long *paddr, ucontext_t *uc, int level)
|
||||
static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level)
|
||||
{
|
||||
unsigned long fp;
|
||||
int i;
|
||||
@ -634,17 +632,17 @@ static void set_exception_handler(void)
|
||||
static void win64_add_function_table(TCCState *s1)
|
||||
{
|
||||
RtlAddFunctionTable(
|
||||
(RUNTIME_FUNCTION*)(uplong)s1->uw_pdata->sh_addr,
|
||||
(RUNTIME_FUNCTION*)s1->uw_pdata->sh_addr,
|
||||
s1->uw_pdata->data_offset / sizeof (RUNTIME_FUNCTION),
|
||||
(uplong)text_section->sh_addr
|
||||
text_section->sh_addr
|
||||
);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* return the PC at frame level 'level'. Return non zero if not found */
|
||||
static int rt_get_caller_pc(uplong *paddr, CONTEXT *uc, int level)
|
||||
static int rt_get_caller_pc(addr_t *paddr, CONTEXT *uc, int level)
|
||||
{
|
||||
uplong fp, pc;
|
||||
addr_t fp, pc;
|
||||
int i;
|
||||
#ifdef _WIN64
|
||||
pc = uc->Rip;
|
||||
@ -658,9 +656,9 @@ static int rt_get_caller_pc(uplong *paddr, CONTEXT *uc, int level)
|
||||
/* XXX: check address validity with program info */
|
||||
if (fp <= 0x1000 || fp >= 0xc0000000)
|
||||
return -1;
|
||||
fp = ((uplong*)fp)[0];
|
||||
fp = ((addr_t*)fp)[0];
|
||||
}
|
||||
pc = ((uplong*)fp)[1];
|
||||
pc = ((addr_t*)fp)[1];
|
||||
}
|
||||
*paddr = pc;
|
||||
return 0;
|
||||
@ -730,5 +728,5 @@ ST_FUNC void *resolve_sym(TCCState *s1, const char *sym)
|
||||
}
|
||||
|
||||
#endif /* CONFIG_TCC_STATIC */
|
||||
|
||||
#endif /* TCC_IS_NATIVE */
|
||||
/* ------------------------------------------------------------- */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user