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bFLT loader (for uClinux binaries).

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1951 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-06-11 13:32:59 +00:00
parent ac62f715c6
commit e5fe0c5230
8 changed files with 1147 additions and 272 deletions
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41
linux-user/qemu.h
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@ -18,6 +18,7 @@
struct image_info {
unsigned long start_code;
unsigned long end_code;
unsigned long start_data;
unsigned long end_data;
unsigned long start_brk;
unsigned long brk;
@ -25,10 +26,6 @@ struct image_info {
unsigned long mmap;
unsigned long rss;
unsigned long start_stack;
unsigned long arg_start;
unsigned long arg_end;
unsigned long env_start;
unsigned long env_end;
unsigned long entry;
int personality;
};
@ -82,9 +79,43 @@ typedef struct TaskState {
extern TaskState *first_task_state;
extern const char *qemu_uname_release;
int elf_exec(const char * filename, char ** argv, char ** envp,
/* ??? See if we can avoid exposing so much of the loader internals. */
/*
* MAX_ARG_PAGES defines the number of pages allocated for arguments
* and envelope for the new program. 32 should suffice, this gives
* a maximum env+arg of 128kB w/4KB pages!
*/
#define MAX_ARG_PAGES 32
/*
* This structure is used to hold the arguments that are
* used when loading binaries.
*/
struct linux_binprm {
char buf[128];
void *page[MAX_ARG_PAGES];
unsigned long p;
int fd;
int e_uid, e_gid;
int argc, envc;
char **argv;
char **envp;
char * filename; /* Name of binary */
};
void do_init_thread(struct target_pt_regs *regs, struct image_info *infop);
target_ulong loader_build_argptr(int envc, int argc, target_ulong sp,
target_ulong stringp, int push_ptr);
int loader_exec(const char * filename, char ** argv, char ** envp,
struct target_pt_regs * regs, struct image_info *infop);
int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
struct image_info * info);
int load_flt_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
struct image_info * info);
void memcpy_to_target(target_ulong dest, const void *src,
unsigned long len);
void target_set_brk(target_ulong new_brk);
long do_brk(target_ulong new_brk);
void syscall_init(void);