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2000-03-31 Andreas Jaeger <aj@suse.de>
* sysdeps/mips/dl-machine.h (RTLD_START): Rewritten to match new
init function interface.
* sysdeps/mips/mips64/dl-machine.h (RTLD_START): Likewise.
This commit is contained in:
Andreas Jaeger
parent
b1212cdb2f
commit
3a344e73cc
@ -342,8 +342,10 @@ _dl_start_user:\n\
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.cpload $25\n\
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.set reorder\n\
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move $16, $28\n\
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# Save the user entry point address in saved register.\n\
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# Save the user entry point address in a saved register.\n\
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move $17, $2\n\
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# Store the highest stack address\n\
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sw $29, __libc_stack_end\n\
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# See if we were run as a command with the executable file\n\
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# name as an extra leading argument.\n\
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lw $2, _dl_skip_args\n\
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@ -353,48 +355,19 @@ _dl_start_user:\n\
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# Subtract _dl_skip_args from it.\n\
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subu $4, $2\n\
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# Adjust the stack pointer to skip _dl_skip_args words.\n\
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sll $2,2\n\
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sll $2, 2\n\
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addu $29, $2\n\
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# Save back the modified argument count.\n\
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sw $4, 0($29)\n\
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1: subu $29, 16\n\
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2: # Push the searchlist of the main object as argument in\n\
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# the _dl_preinit_next and _dl_init_next calls below.\n\
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lw $4, _dl_main_searchlist\n\
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# First run the pre-initializers.\n\
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# Call _dl_preinit_next to return the address of an initializer\n\
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# function to run.\n\
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jal _dl_preinit_next
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move $28, $16\n\
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# Check for zero return, when out of initializers.\n\
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beq $2, $0, 4f\n\
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# Call the pre-initializer.\n\
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move $25, $2\n\
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jalr $25\n\
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move $28, $16\n
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# Loop to call _dl_preinit_next for the next initializer.\n\
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b 2b\n
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4: lw $4, _dl_main_searchlist\n\
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# Call _dl_init_next to return the address of an initializer\n\
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# function to run.\n\
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jal _dl_init_next\n\
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move $28, $16\n\
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# Check for zero return, when out of initializers.\n\
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beq $2, $0, 2f\n\
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# Call the shared object initializer function.\n\
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move $25, $2\n\
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# XXX This looks broken ###.\n\
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lw $4, 0($29)\n\
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lw $5, 4($29)\n\
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lw $6, 8($29)\n\
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lw $7, 12($29)\n\
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jalr $25\n\
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move $28, $16\n\
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# Loop to call _dl_init_next for the next initializer.\n\
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b 4b\n\
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2: addiu $29, 16\n\
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# Clear the startup flag. Assumes 32 bit ints.\n\
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sw $0, _dl_starting_up\n\
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1: # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
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lw $4, _dl_loaded\n\
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lw $5, 0($29)\n\
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la $6, 4($29)\n\
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la $7, 8($29)\n\
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subu $29, 16\n\
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# Call the function to run the initializers.\n\
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jal _dl_init
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addiu $29, 16\n\
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# Pass our finalizer function to the user in ra.\n\
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la $31, _dl_fini\n\
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# Jump to the user entry point.\n\
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@ -445,8 +445,10 @@ _RTLD_PROLOGUE (ENTRY_POINT)\
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# doesn't say nothing about this, I emulate this here.\n\
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dla $4, _DYNAMIC\n\
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sd $4, -0x7ff0($28)\n\
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dsubu $29, 16\n\
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move $4, $29\n\
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jal _dl_start\n\
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daddiu $29, 16\n\
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# Get the value of label '_dl_start_user' in t9 ($25).\n\
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dla $25, _dl_start_user\n\
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_dl_start_user:\n\
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@ -456,6 +458,8 @@ _dl_start_user:\n\
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move $16, $28\n\
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# Save the user entry point address in saved register.\n\
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move $17, $2\n\
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# Store the highest stack address\n\
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sd $29, __libc_stack_end\n\
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# See if we were run as a command with the executable file\n\
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# name as an extra leading argument.\n\
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ld $2, _dl_skip_args\n\
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@ -469,27 +473,29 @@ _dl_start_user:\n\
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daddu $29, $2\n\
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# Save back the modified argument count.\n\
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sd $4, 0($29)\n\
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# Get _dl_default_scope[2] as argument in _dl_init_next call below.\n\
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1: dla $2, _dl_default_scope\n\
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ld $4, 2*8($2)\n\
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# Call _dl_init_next to return the address of an initializer\n\
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# function to run.\n\
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jal _dl_init_next\n\
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move $28, $16\n\
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# Check for zero return, when out of initializers.\n\
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beq $2, $0, 2f\n\
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# Call the shared object initializer function.\n\
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move $25, $2\n\
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ld $4, 0($29)\n\
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ld $5, 1*8($29)\n\
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ld $6, 2*8($29)\n\
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ld $7, 3*8($29)\n\
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jalr $25\n\
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move $28, $16\n\
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# Loop to call _dl_init_next for the next initializer.\n\
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b 1b\n\
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1: # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
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ld $4, _dl_loaded\n\
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ld $5, 0($29)\n\
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dla $6, 4($29)\n\
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dla $7, 8($29)\n\
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dsubu $29, 16\n\
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# Call the function to run the initializers.\n\
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jal _dl_init
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daddiu $29, 16\n\
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# Pass our finalizer function to the user in ra.\n\
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2: dla $31, _dl_fini\n\
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dla $31, _dl_fini\n\
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# Jump to the user entry point.\n\
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1: # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
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lw $4, _dl_loaded\n\
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lw $5, 0($29)\n\
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la $6, 4($29)\n\
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la $7, 8($29)\n\
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subu $29, 16\n\
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# Call the function to run the initializers.\n\
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jal _dl_init
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addiu $29, 16\n\
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# Pass our finalizer function to the user in ra.\n\
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dla $31, _dl_fini\n\
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# Jump to the user entry point.\n\
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move $25, $17\n\
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ld $4, 0($29)\n\
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