Shared Library Management Routines

The dlopen Shared Library Management Routines

struct load_module_desc { unsigned long text_base; unsigned long text_size; unsigned long data_base; unsigned long data_size; unsigned long unwind_base; unsigned long linkage_ptr; unsigned long phdr_base; unsigned long tls_size; unsigned long tls_start_addr;

}

Example

The following code sequence shows how to use dlget to retrieve information about loaded modules. The following code sequence prints the text base of all loaded modules:

void*

handle;

int

index;

struct

load_module_desc desc;

for (index = 0; ; i++) {

handle = dlget(i, &desc, sizeof(struct load_module_desc));

if (handle = NULL) { printf(“%s\n”, dlerror()); break;

}

else {

printf(“library %d text base = %lx\n”, index, desc.text_base);

}

}

The dlmodinfo Routine

Retrieves information about a loaded module (program or shared library).

Syntax

cc[flag...] file... -ldl [library]...

#include <dlfcn.h>

unsigned long dlmodinfo(unsigned long ip_value, struct load_module_desc *desc,

size_t desc_size,

void *(*read_tgt_mem)(void* buffer, unsigned long ptr,

size_t bufsiz, int ident),

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Kenwood HP 9000 manual Dlmodinfo Routine

HP 9000 specifications

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