Shared Library Management Routines

 

The dlopen Shared Library Management Routines

 

 

int ident_parm,

 

 

uint64_t load_map_parm);

 

Parameters

 

 

 

 

Parameter

 

 

Description

 

 

 

ip_value

 

An address. The instruction pointer value of the requested library.

 

 

 

desc

 

A buffer of memory allocated by the user program. The dynamic

 

 

loader fills this in with module information.

 

 

 

desc_size

 

Size in bytes of the desc buffer.

 

 

 

read_tgm_mem

 

A pointer to a function used by dlmodinfo to retrieve needed

 

 

information.

 

 

If the value is NULL, the dynamic loader uses its own internal data

 

 

structures to find the correct load module and ignore the

 

 

ident_parm and load_map_parm parameters.

 

 

 

 

 

 

buffer

A buffer supplied by dlmodinfo to read into.

 

 

 

 

 

 

ptr

The virtual memory address to read from.

 

 

 

 

 

 

bufsiz

Tthe size of buffer in bytes.

 

 

 

 

 

 

ident

The value of the ident_parm parameter to dlmodinfo.

 

 

 

 

ident_parm

 

Only used to pass the fourth parameter to read_tgt_mem.

 

 

 

load_map_parm

 

Only used when calling through read_tgt_mem. Contains the

 

 

starting address of the load map.

 

 

 

 

 

Return Values

 

If successful, dlmodinfo returns a handle for the shared library as

 

defined by the return value from dlopen(). NULL is returned

 

otherwise. The return values are type-converted to unsigned long

 

Description

 

dlmodinfo is one of a family of routines that give the user direct access

 

to the dynamic linking facilities. The dlmodinfo routine retrieves

 

information about a load module from a given address value. dlmodinfo

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Kenwood HP 9000 manual Defined by the return value from dlopen. Null is returned, 250

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