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authorAndreas Jaeger <aj@suse.de>2000-03-31 12:35:44 +0000
committerAndreas Jaeger <aj@suse.de>2000-03-31 12:35:44 +0000
commitad08a5b62b63158a7e0291e59583a6955ba60264 (patch)
treebf912778adfbd81872ab0455bbad5a530c201c73 /sysdeps/mips
parent36d043300fc231d0df26142efc707e208a52de76 (diff)
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Update.
* sysdeps/mips/dl-machine.h (RTLD_START): Rewritten to match new init function interface. * sysdeps/mips/mips64/dl-machine.h (RTLD_START): Likewise. 2000-03-31 Andreas Jaeger <aj@suse.de>
Diffstat (limited to 'sysdeps/mips')
-rw-r--r--sysdeps/mips/dl-machine.h53
-rw-r--r--sysdeps/mips/mips64/dl-machine.h46
2 files changed, 39 insertions, 60 deletions
diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h
index 188e9ae..ce5f0f9 100644
--- a/sysdeps/mips/dl-machine.h
+++ b/sysdeps/mips/dl-machine.h
@@ -342,8 +342,10 @@ _dl_start_user:\n\
.cpload $25\n\
.set reorder\n\
move $16, $28\n\
- # Save the user entry point address in saved register.\n\
+ # Save the user entry point address in a saved register.\n\
move $17, $2\n\
+ # Store the highest stack address\n\
+ sw $29, __libc_stack_end\n\
# See if we were run as a command with the executable file\n\
# name as an extra leading argument.\n\
lw $2, _dl_skip_args\n\
@@ -353,48 +355,19 @@ _dl_start_user:\n\
# Subtract _dl_skip_args from it.\n\
subu $4, $2\n\
# Adjust the stack pointer to skip _dl_skip_args words.\n\
- sll $2,2\n\
+ sll $2, 2\n\
addu $29, $2\n\
# Save back the modified argument count.\n\
sw $4, 0($29)\n\
-1: subu $29, 16\n\
-2: # Push the searchlist of the main object as argument in\n\
- # the _dl_preinit_next and _dl_init_next calls below.\n\
- lw $4, _dl_main_searchlist\n\
- # First run the pre-initializers.\n\
- # Call _dl_preinit_next to return the address of an initializer\n\
- # function to run.\n\
- jal _dl_preinit_next
- move $28, $16\n\
- # Check for zero return, when out of initializers.\n\
- beq $2, $0, 4f\n\
- # Call the pre-initializer.\n\
- move $25, $2\n\
- jalr $25\n\
- move $28, $16\n
- # Loop to call _dl_preinit_next for the next initializer.\n\
- b 2b\n
-4: lw $4, _dl_main_searchlist\n\
- # Call _dl_init_next to return the address of an initializer\n\
- # function to run.\n\
- jal _dl_init_next\n\
- move $28, $16\n\
- # Check for zero return, when out of initializers.\n\
- beq $2, $0, 2f\n\
- # Call the shared object initializer function.\n\
- move $25, $2\n\
- # XXX This looks broken ###.\n\
- lw $4, 0($29)\n\
- lw $5, 4($29)\n\
- lw $6, 8($29)\n\
- lw $7, 12($29)\n\
- jalr $25\n\
- move $28, $16\n\
- # Loop to call _dl_init_next for the next initializer.\n\
- b 4b\n\
-2: addiu $29, 16\n\
- # Clear the startup flag. Assumes 32 bit ints.\n\
- sw $0, _dl_starting_up\n\
+1: # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
+ lw $4, _dl_loaded\n\
+ lw $5, 0($29)\n\
+ la $6, 4($29)\n\
+ la $7, 8($29)\n\
+ subu $29, 16\n\
+ # Call the function to run the initializers.\n\
+ jal _dl_init
+ addiu $29, 16\n\
# Pass our finalizer function to the user in ra.\n\
la $31, _dl_fini\n\
# Jump to the user entry point.\n\
diff --git a/sysdeps/mips/mips64/dl-machine.h b/sysdeps/mips/mips64/dl-machine.h
index 01f9a95..c2f2f6e 100644
--- a/sysdeps/mips/mips64/dl-machine.h
+++ b/sysdeps/mips/mips64/dl-machine.h
@@ -445,8 +445,10 @@ _RTLD_PROLOGUE (ENTRY_POINT)\
# doesn't say nothing about this, I emulate this here.\n\
dla $4, _DYNAMIC\n\
sd $4, -0x7ff0($28)\n\
+ dsubu $29, 16\n\
move $4, $29\n\
jal _dl_start\n\
+ daddiu $29, 16\n\
# Get the value of label '_dl_start_user' in t9 ($25).\n\
dla $25, _dl_start_user\n\
_dl_start_user:\n\
@@ -456,6 +458,8 @@ _dl_start_user:\n\
move $16, $28\n\
# Save the user entry point address in saved register.\n\
move $17, $2\n\
+ # Store the highest stack address\n\
+ sd $29, __libc_stack_end\n\
# See if we were run as a command with the executable file\n\
# name as an extra leading argument.\n\
ld $2, _dl_skip_args\n\
@@ -469,27 +473,29 @@ _dl_start_user:\n\
daddu $29, $2\n\
# Save back the modified argument count.\n\
sd $4, 0($29)\n\
- # Get _dl_default_scope[2] as argument in _dl_init_next call below.\n\
-1: dla $2, _dl_default_scope\n\
- ld $4, 2*8($2)\n\
- # Call _dl_init_next to return the address of an initializer\n\
- # function to run.\n\
- jal _dl_init_next\n\
- move $28, $16\n\
- # Check for zero return, when out of initializers.\n\
- beq $2, $0, 2f\n\
- # Call the shared object initializer function.\n\
- move $25, $2\n\
- ld $4, 0($29)\n\
- ld $5, 1*8($29)\n\
- ld $6, 2*8($29)\n\
- ld $7, 3*8($29)\n\
- jalr $25\n\
- move $28, $16\n\
- # Loop to call _dl_init_next for the next initializer.\n\
- b 1b\n\
+1: # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
+ ld $4, _dl_loaded\n\
+ ld $5, 0($29)\n\
+ dla $6, 4($29)\n\
+ dla $7, 8($29)\n\
+ dsubu $29, 16\n\
+ # Call the function to run the initializers.\n\
+ jal _dl_init
+ daddiu $29, 16\n\
+ # Pass our finalizer function to the user in ra.\n\
+ dla $31, _dl_fini\n\
+ # Jump to the user entry point.\n\
+1: # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
+ lw $4, _dl_loaded\n\
+ lw $5, 0($29)\n\
+ la $6, 4($29)\n\
+ la $7, 8($29)\n\
+ subu $29, 16\n\
+ # Call the function to run the initializers.\n\
+ jal _dl_init
+ addiu $29, 16\n\
# Pass our finalizer function to the user in ra.\n\
-2: dla $31, _dl_fini\n\
+ dla $31, _dl_fini\n\
# Jump to the user entry point.\n\
move $25, $17\n\
ld $4, 0($29)\n\