Commit 31e31b8a authored by bellard's avatar bellard
Browse files

This commit was generated by cvs2svn to compensate for changes in r2,

which included commits to RCS files with non-trunk default branches.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3 c046a42c-6fe2-441c-8c8c-71466251a162
parent e63c3dc7
This diff is collapsed.
CFLAGS=-Wall -O2 -g
LDFLAGS=-g
DEFINES=-D_GNU_SOURCE -DGEMU -DDOSEMU #-DNO_TRACE_MSGS
OBJS= i386/fp87.o i386/interp_main.o i386/interp_modrm.o i386/interp_16_32.o \
i386/interp_32_16.o i386/interp_32_32.o i386/emu-utils.o \
i386/dis8086.o i386/emu-ldt.o
OBJS+= elfload.o main.o thunk.o syscall.o
SRCS = $(OBJS:.o=.c)
all: gemu
gemu: $(OBJS)
$(CC) -Wl,-T,i386.ld $(LDFLAGS) -o $@ $(OBJS)
depend: $(SRCS)
$(CC) -MM $(CFLAGS) $^ 1>.depend
%.o: %.c
$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
clean:
rm -f *.o *~ i386/*.o i386/*~ gemu hello test1 test2 TAGS
hello: hello.c
$(CC) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
test1: test1.c
$(CC) $(CFLAGS) -static $(LDFLAGS) -o $@ $<
test2: test2.c
$(CC) $(CFLAGS) -static $(LDFLAGS) -o $@ $<
ifneq ($(wildcard .depend),)
include .depend
endif
- swap all elf paramters
- fix printf for doubles (fp87.c bug ?)
/*
* ELF register definitions..
*/
#include <inttypes.h>
typedef uint32_t elf_greg_t;
#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_i387_struct elf_fpregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ( ((x) == EM_386) || ((x) == EM_486) )
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2LSB;
#define ELF_ARCH EM_386
/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
starts %edx contains a pointer to a function which might be
registered using `atexit'. This provides a mean for the
dynamic linker to call DT_FINI functions for shared libraries
that have been loaded before the code runs.
A value of 0 tells we have no such handler. */
#define ELF_PLAT_INIT(_r) _r->edx = 0
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
typedef uint32_t Elf32_Addr;
typedef uint16_t Elf32_Half;
typedef uint32_t Elf32_Off;
typedef int32_t Elf32_Sword;
typedef uint32_t Elf32_Word;
/* These constants are for the segment types stored in the image headers */
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
/* These constants define the different elf file types */
#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_LOPROC 5
#define ET_HIPROC 6
/* These constants define the various ELF target machines */
#define EM_NONE 0
#define EM_M32 1
#define EM_SPARC 2
#define EM_386 3
#define EM_68K 4
#define EM_88K 5
#define EM_486 6 /* Perhaps disused */
#define EM_860 7
#define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
#define EM_SPARC64 11 /* SPARC v9 (not official) 64-bit */
#define EM_PARISC 15 /* HPPA */
#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
#define EM_PPC 20 /* PowerPC */
/*
* This is an interim value that we will use until the committee comes
* up with a final number.
*/
#define EM_ALPHA 0x9026
/* This is the info that is needed to parse the dynamic section of the file */
#define DT_NULL 0
#define DT_NEEDED 1
#define DT_PLTRELSZ 2
#define DT_PLTGOT 3
#define DT_HASH 4
#define DT_STRTAB 5
#define DT_SYMTAB 6
#define DT_RELA 7
#define DT_RELASZ 8
#define DT_RELAENT 9
#define DT_STRSZ 10
#define DT_SYMENT 11
#define DT_INIT 12
#define DT_FINI 13
#define DT_SONAME 14
#define DT_RPATH 15
#define DT_SYMBOLIC 16
#define DT_REL 17
#define DT_RELSZ 18
#define DT_RELENT 19
#define DT_PLTREL 20
#define DT_DEBUG 21
#define DT_TEXTREL 22
#define DT_JMPREL 23
#define DT_LOPROC 0x70000000
#define DT_HIPROC 0x7fffffff
/* This info is needed when parsing the symbol table */
#define STB_LOCAL 0
#define STB_GLOBAL 1
#define STB_WEAK 2
#define STT_NOTYPE 0
#define STT_OBJECT 1
#define STT_FUNC 2
#define STT_SECTION 3
#define STT_FILE 4
#define ELF32_ST_BIND(x) ((x) >> 4)
#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
/* Symbolic values for the entries in the auxiliary table
put on the initial stack */
#define AT_NULL 0 /* end of vector */
#define AT_IGNORE 1 /* entry should be ignored */
#define AT_EXECFD 2 /* file descriptor of program */
#define AT_PHDR 3 /* program headers for program */
#define AT_PHENT 4 /* size of program header entry */
#define AT_PHNUM 5 /* number of program headers */
#define AT_PAGESZ 6 /* system page size */
#define AT_BASE 7 /* base address of interpreter */
#define AT_FLAGS 8 /* flags */
#define AT_ENTRY 9 /* entry point of program */
#define AT_NOTELF 10 /* program is not ELF */
#define AT_UID 11 /* real uid */
#define AT_EUID 12 /* effective uid */
#define AT_GID 13 /* real gid */
#define AT_EGID 14 /* effective gid */
typedef struct dynamic{
Elf32_Sword d_tag;
union{
Elf32_Sword d_val;
Elf32_Addr d_ptr;
} d_un;
} Elf32_Dyn;
typedef struct {
unsigned long long d_tag; /* entry tag value */
union {
unsigned long long d_val;
unsigned long long d_ptr;
} d_un;
} Elf64_Dyn;
/* The following are used with relocations */
#define ELF32_R_SYM(x) ((x) >> 8)
#define ELF32_R_TYPE(x) ((x) & 0xff)
#define R_386_NONE 0
#define R_386_32 1
#define R_386_PC32 2
#define R_386_GOT32 3
#define R_386_PLT32 4
#define R_386_COPY 5
#define R_386_GLOB_DAT 6
#define R_386_JMP_SLOT 7
#define R_386_RELATIVE 8
#define R_386_GOTOFF 9
#define R_386_GOTPC 10
#define R_386_NUM 11
typedef struct elf32_rel {
Elf32_Addr r_offset;
Elf32_Word r_info;
} Elf32_Rel;
typedef struct elf64_rel {
unsigned long long r_offset; /* Location at which to apply the action */
unsigned long long r_info; /* index and type of relocation */
} Elf64_Rel;
typedef struct elf32_rela{
Elf32_Addr r_offset;
Elf32_Word r_info;
Elf32_Sword r_addend;
} Elf32_Rela;
typedef struct elf64_rela {
unsigned long long r_offset; /* Location at which to apply the action */
unsigned long long r_info; /* index and type of relocation */
unsigned long long r_addend; /* Constant addend used to compute value */
} Elf64_Rela;
typedef struct elf32_sym{
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info;
unsigned char st_other;
Elf32_Half st_shndx;
} Elf32_Sym;
typedef struct elf64_sym {
unsigned int st_name; /* Symbol name, index in string tbl */
unsigned char st_info; /* Type and binding attributes */
unsigned char st_other; /* No defined meaning, 0 */
unsigned short st_shndx; /* Associated section index */
unsigned long long st_value; /* Value of the symbol */
unsigned long long st_size; /* Associated symbol size */
} Elf64_Sym;
#define EI_NIDENT 16
typedef struct elf32_hdr{
unsigned char e_ident[EI_NIDENT];
Elf32_Half e_type;
Elf32_Half e_machine;
Elf32_Word e_version;
Elf32_Addr e_entry; /* Entry point */
Elf32_Off e_phoff;
Elf32_Off e_shoff;
Elf32_Word e_flags;
Elf32_Half e_ehsize;
Elf32_Half e_phentsize;
Elf32_Half e_phnum;
Elf32_Half e_shentsize;
Elf32_Half e_shnum;
Elf32_Half e_shstrndx;
} Elf32_Ehdr;
typedef struct elf64_hdr {
unsigned char e_ident[16]; /* ELF "magic number" */
short int e_type;
short unsigned int e_machine;
int e_version;
unsigned long long e_entry; /* Entry point virtual address */
unsigned long long e_phoff; /* Program header table file offset */
unsigned long long e_shoff; /* Section header table file offset */
int e_flags;
short int e_ehsize;
short int e_phentsize;
short int e_phnum;
short int e_shentsize;
short int e_shnum;
short int e_shstrndx;
} Elf64_Ehdr;
/* These constants define the permissions on sections in the program
header, p_flags. */
#define PF_R 0x4
#define PF_W 0x2
#define PF_X 0x1
typedef struct elf32_phdr{
Elf32_Word p_type;
Elf32_Off p_offset;
Elf32_Addr p_vaddr;
Elf32_Addr p_paddr;
Elf32_Word p_filesz;
Elf32_Word p_memsz;
Elf32_Word p_flags;
Elf32_Word p_align;
} Elf32_Phdr;
typedef struct elf64_phdr {
int p_type;
int p_flags;
unsigned long long p_offset; /* Segment file offset */
unsigned long long p_vaddr; /* Segment virtual address */
unsigned long long p_paddr; /* Segment physical address */
unsigned long long p_filesz; /* Segment size in file */
unsigned long long p_memsz; /* Segment size in memory */
unsigned long long p_align; /* Segment alignment, file & memory */
} Elf64_Phdr;
/* sh_type */
#define SHT_NULL 0
#define SHT_PROGBITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6
#define SHT_NOTE 7
#define SHT_NOBITS 8
#define SHT_REL 9
#define SHT_SHLIB 10
#define SHT_DYNSYM 11
#define SHT_NUM 12
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7fffffff
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xffffffff
/* sh_flags */
#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
#define SHF_MASKPROC 0xf0000000
/* special section indexes */
#define SHN_UNDEF 0
#define SHN_LORESERVE 0xff00
#define SHN_LOPROC 0xff00
#define SHN_HIPROC 0xff1f
#define SHN_ABS 0xfff1
#define SHN_COMMON 0xfff2
#define SHN_HIRESERVE 0xffff
typedef struct {
Elf32_Word sh_name;
Elf32_Word sh_type;
Elf32_Word sh_flags;
Elf32_Addr sh_addr;
Elf32_Off sh_offset;
Elf32_Word sh_size;
Elf32_Word sh_link;
Elf32_Word sh_info;
Elf32_Word sh_addralign;
Elf32_Word sh_entsize;
} Elf32_Shdr;
typedef struct elf64_shdr {
unsigned int sh_name; /* Section name, index in string tbl */
unsigned int sh_type; /* Type of section */
unsigned long long sh_flags; /* Miscellaneous section attributes */
unsigned long long sh_addr; /* Section virtual addr at execution */
unsigned long long sh_offset; /* Section file offset */
unsigned long long sh_size; /* Size of section in bytes */
unsigned int sh_link; /* Index of another section */
unsigned int sh_info; /* Additional section information */
unsigned long long sh_addralign; /* Section alignment */
unsigned long long sh_entsize; /* Entry size if section holds table */
} Elf64_Shdr;
#define EI_MAG0 0 /* e_ident[] indexes */
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define EI_CLASS 4
#define EI_DATA 5
#define EI_VERSION 6
#define EI_PAD 7
#define ELFMAG0 0x7f /* EI_MAG */
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define ELFMAG "\177ELF"
#define SELFMAG 4
#define ELFCLASSNONE 0 /* EI_CLASS */
#define ELFCLASS32 1
#define ELFCLASS64 2
#define ELFCLASSNUM 3
#define ELFDATANONE 0 /* e_ident[EI_DATA] */
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
#define EV_NONE 0 /* e_version, EI_VERSION */
#define EV_CURRENT 1
#define EV_NUM 2
/* Notes used in ET_CORE */
#define NT_PRSTATUS 1
#define NT_PRFPREG 2
#define NT_PRPSINFO 3
#define NT_TASKSTRUCT 4
/* Note header in a PT_NOTE section */
typedef struct elf32_note {
Elf32_Word n_namesz; /* Name size */
Elf32_Word n_descsz; /* Content size */
Elf32_Word n_type; /* Content type */
} Elf32_Nhdr;
/* Note header in a PT_NOTE section */
/*
* For now we use the 32 bit version of the structure until we figure
* out whether we need anything better. Note - on the Alpha, "unsigned int"
* is only 32 bits.
*/
typedef struct elf64_note {
unsigned int n_namesz; /* Name size */
unsigned int n_descsz; /* Content size */
unsigned int n_type; /* Content type */
} Elf64_Nhdr;
#define ELF_START_MMAP 0x80000000
#if ELF_CLASS == ELFCLASS32
extern Elf32_Dyn _DYNAMIC [];
#define elfhdr elf32_hdr
#define elf_phdr elf32_phdr
#define elf_note elf32_note
#else
extern Elf64_Dyn _DYNAMIC [];
#define elfhdr elf64_hdr
#define elf_phdr elf64_phdr
#define elf_note elf64_note
#endif
/* ld script to make i386 Linux kernel
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
*/
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = 0x60000000 + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.rel.text :
{ *(.rel.text) *(.rel.gnu.linkonce.t*) }
.rela.text :
{ *(.rela.text) *(.rela.gnu.linkonce.t*) }
.rel.data :
{ *(.rel.data) *(.rel.gnu.linkonce.d*) }
.rela.data :
{ *(.rela.data) *(.rela.gnu.linkonce.d*) }
.rel.rodata :
{ *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
.rela.rodata :
{ *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) } =0x47ff041f
.text :
{
*(.text)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
} =0x47ff041f
_etext = .;
PROVIDE (etext = .);
.fini : { *(.fini) } =0x47ff041f
.rodata : { *(.rodata) *(.gnu.linkonce.r*) }
.rodata1 : { *(.rodata1) }
.reginfo : { *(.reginfo) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
. = ALIGN(0x100000) + (. & (0x100000 - 1));
.data :
{
*(.data)
*(.gnu.linkonce.d*)
CONSTRUCTORS
}
.data1 : { *(.data1) }
.ctors :
{
*(.ctors)
}
.dtors :
{
*(.dtors)
}
.plt : { *(.plt) }
.got : { *(.got.plt) *(.got) }
.dynamic : { *(.dynamic) }
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata : { *(.sdata) }
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
.sbss : { *(.sbss) *(.scommon) }
.bss :
{
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/* These must appear regardless of . */
}
This diff is collapsed.
/* emulated ioctl list */
IOCTL(TCGETS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_termios)))
IOCTL(TCGETS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios)))
IOCTL(TCSETSF, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios)))
IOCTL(TCSETSW, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios)))
IOCTL(TIOCGWINSZ, IOC_R, MK_PTR(MK_STRUCT(STRUCT_winsize)))
IOCTL(TIOCSWINSZ, IOC_W, MK_PTR(MK_STRUCT(STRUCT_winsize)))
IOCTL(FIONREAD, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TCGETA, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TCSETA, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TCSETAW, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TCSETAF, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TCSBRK, 0, TYPE_INT)
IOCTL(TCSBRKP, 0, TYPE_INT)
IOCTL(TCXONC, 0, TYPE_INT)
IOCTL(TCFLSH, 0, TYPE_INT)
IOCTL(TIOCEXCL, 0, TYPE_NULL)
IOCTL(TIOCNXCL, 0, TYPE_NULL)
IOCTL(TIOCSCTTY, 0, TYPE_INT)
IOCTL(TIOCGPGRP, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCSPGRP, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCOUTQ, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCSTI, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCMGET, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCMBIS, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCMBIC, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCMSET, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCGSOFTCAR, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCSSOFTCAR, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCLINUX, IOC_R | IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCCONS, 0, TYPE_NULL)
IOCTL(TIOCGSERIAL, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCSSERIAL, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCPKT, IOC_W, MK_PTR(TYPE_INT))
IOCTL(FIONBIO, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCNOTTY, 0, TYPE_NULL)
IOCTL(TIOCGETD, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCSETD, IOC_W, MK_PTR(TYPE_INT))
IOCTL(FIOCLEX, 0, TYPE_NULL)
IOCTL(FIONCLEX, 0, TYPE_NULL)
IOCTL(FIOASYNC, IOC_W, MK_PTR(TYPE_INT))
IOCTL(TIOCGLCKTRMIOS, IOC_R, MK_PTR(MK_STRUCT(STRUCT_termios)))
IOCTL(TIOCSLCKTRMIOS, IOC_W, MK_PTR(MK_STRUCT(STRUCT_termios)))
IOCTL(TIOCSERCONFIG, 0, TYPE_NULL)
IOCTL(TIOCSERGETLSR, IOC_R, MK_PTR(TYPE_INT))
IOCTL(TIOCSERGETMULTI, IOC_R, MK_PTR(MK_STRUCT(STRUCT_serial_multiport_struct)))
IOCTL(TIOCSERSETMULTI, IOC_W, MK_PTR(MK_STRUCT(STRUCT_serial_multiport_struct)))
IOCTL(TIOCMIWAIT, 0,