From a502960ee1bf26c446f33c3e1539979a588dffcc Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 4 Apr 2000 12:08:40 +0000 Subject: [PATCH] * sysdeps/m68k/dl-machine.h (RTLD_START): Rewrite for new init function interface. Remove unused _dl_start_user entry point. --- sysdeps/m68k/dl-machine.h | 53 ++++++++--------------------------------------- 1 file changed, 9 insertions(+), 44 deletions(-) diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h index 7a5dd35..3ff82af 100644 --- a/sysdeps/m68k/dl-machine.h +++ b/sysdeps/m68k/dl-machine.h @@ -156,10 +156,6 @@ _start: move.l %sp, -(%sp) jbsr _dl_start addq.l #4, %sp - - .globl _dl_start_user - .type _dl_start_user,@function -_dl_start_user: | Save the user entry point address in %a4. move.l %d0, %a4 | Point %a5 at the GOT. @@ -169,7 +165,6 @@ _dl_start_user: | See if we were run as a command with the executable file | name as an extra leading argument. move.l ([_dl_skip_args@GOT.w, %a5]), %d0 - jeq 0f | Pop the original argument count move.l (%sp)+, %d1 | Subtract _dl_skip_args from it. @@ -178,51 +173,21 @@ _dl_start_user: lea (%sp, %d0*4), %sp | Push back the modified argument count. move.l %d1, -(%sp) -0: | Push the searchlist of the main object as argument in - | the _dl_init_next call below. - move.l ([_dl_main_searchlist@GOT.w, %a5]), %d2 - | First dun the pre-initializers. -0: move.l %d2, -(%sp) - | Call _dl_preinit_next to return the address of an pre-initializer - | function to run. - bsr.l _dl_preinit_next@PLTPC - add.l #4, %sp | Pop argument. - | Check for zero return, when out of pre-initializers. - tst.l %d0 - jeq 0f - | Call the shared object pre-initializer function. - move.l %d0, %a0 - jsr (%a0) - | Loop to call _dl_preinit_next for the next pre-initializer. - jra 0b -0: move.l %d2, -(%sp) - | Call _dl_init_next to return the address of an initializer - | function to run. - bsr.l _dl_init_next@PLTPC - add.l #4, %sp | Pop argument. - | Check for zero return, when out of initializers. - tst.l %d0 - jeq 1f - | Call the shared object initializer function. - | NOTE: We depend only on the registers (%d2, %a4 and %a5) - | and the return address pushed by this call; - | the initializer is called with the stack just - | as it appears on entry, and it is free to move - | the stack around, as long as it winds up jumping to - | the return address on the top of the stack. - move.l %d0, %a0 - jsr (%a0) - | Loop to call _dl_init_next for the next initializer. - jra 0b -1: | Clear the startup flag. - clr.l ([_dl_starting_up@GOT.w, %a5]) + # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) + pea 8(%sp, %d1*4) + pea 4(%sp) + move.l %d1, -(%sp) + move.l _dl_loaded@GOT.w(%a5), -(%sp) + jbsr _dl_init@PLTPC + addq.l #8, %sp + addq.l #8, %sp | Pass our finalizer function to the user in %a1. move.l _dl_fini@GOT.w(%a5), %a1 | Initialize %fp with the stack pointer. move.l %sp, %fp | Jump to the user's entry point. jmp (%a4) - .size _dl_start_user, . - _dl_start_user + .size _start, . - _start .previous"); /* Nonzero iff TYPE describes a relocation that should -- 2.7.4