diff options
author | Eric Andersen <andersen@codepoet.org> | 2002-03-19 17:05:51 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2002-03-19 17:05:51 +0000 |
commit | f9e3d5ffc0472279dde8589fa52e2dfb7e78de03 (patch) | |
tree | ab4461070a9a1d24118e5a50acdae324f59d968d /ldso/ldso/mips/dl-sysdep.h | |
parent | 4198d8264c6d571e31cd414ce27b477d41646800 (diff) |
Initial mips ldso porting effort from Steven J. Hill. Not yet
complete, but off to a fine start.
Diffstat (limited to 'ldso/ldso/mips/dl-sysdep.h')
-rw-r--r-- | ldso/ldso/mips/dl-sysdep.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/ldso/ldso/mips/dl-sysdep.h b/ldso/ldso/mips/dl-sysdep.h new file mode 100644 index 000000000..24cbc3d04 --- /dev/null +++ b/ldso/ldso/mips/dl-sysdep.h @@ -0,0 +1,63 @@ +/* + * Various assmbly language/system dependent hacks that are required + * so that we can minimize the amount of platform specific code. + */ + +/* + * Define this if the system uses RELOCA. + */ +#undef ELF_USES_RELOCA + +/* + * Get a pointer to the argv array. On many platforms this can be just + * the address if the first argument, on other platforms we need to + * do something a little more subtle here. + */ +#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long*) ARGS) + +/* + * Initialization sequence for a GOT. + */ +#define INIT_GOT(GOT_BASE,MODULE) \ +{ \ + GOT_BASE[0] = (unsigned long) _dl_linux_resolve; \ + GOT_BASE[1] = (unsigned long) MODULE; \ +} + +/* + * Here is a macro to perform a relocation. This is only used when + * bootstrapping the dynamic loader. RELP is the relocation that we + * are performing, REL is the pointer to the address we are relocating. + * SYMBOL is the symbol involved in the relocation, and LOAD is the + * load address. + * + * !!!NOTE!!! + * + * For MIPS, we don't have any DT_JMPREL or DT_PLTRELSZ dynamic + * entries, so this macro function is empty. The code contained + * in elfinterp.c does the real relocation work. + */ +#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD) + + +/* + * Transfer control to the user's application, once the dynamic loader + * is done. This routine has to exit the current function, then + * call the _dl_elf_main function. + */ + +#define START() return (void) _dl_elf_main; + + + +/* Here we define the magic numbers that this dynamic loader should accept */ + +#define MAGIC1 EM_MIPS +#define MAGIC2 EM_MIPS_RS3_LE +/* Used for error messages */ +#define ELF_TARGET "MIPS" + +struct elf_resolve; +unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); + +#define do_rem(result, n, base) result = (n % base) |