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Add a function to list symbols in a file and their values at the

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same time rather than having to list the symbols and then go back
and look each one up by name.
This commit is contained in:
jb 2007-11-18 00:23:31 +00:00
parent 804a2cd238
commit 9bd9c03e92
3 changed files with 29 additions and 0 deletions
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10
sys/kern/kern_linker.c
View File

@ -690,6 +690,16 @@ linker_file_lookup_set(linker_file_t file, const char *name,
return (error);
}
/*
* List all functions in a file.
*/
int
linker_file_function_listall(linker_file_t lf,
int (*callback_func)(linker_file_t, linker_symval_t *, void *), void *arg)
{
return (LINKER_EACH_FUNCTION_NAMEVAL(lf, callback_func, arg));
}
caddr_t
linker_file_lookup_symbol(linker_file_t file, const char *name, int deps)
{

11
sys/kern/linker_if.m
View File

@ -63,6 +63,17 @@ METHOD int each_function_name {
void* opaque;
};
#
# Call the callback with each specified function and it's value
# defined in the file.
# Stop and return the error if the callback returns an error.
#
METHOD int each_function_nameval {
linker_file_t file;
linker_function_nameval_callback_t callback;
void* opaque;
};
#
# Search for a linker set in a file. Return a pointer to the first
# entry (which is itself a pointer), and the number of entries.

8
sys/sys/linker.h
View File

@ -59,6 +59,8 @@ typedef struct linker_symval {
size_t size;
} linker_symval_t;
typedef int (*linker_function_nameval_callback_t)(linker_file_t, linker_symval_t *, void *);
struct common_symbol {
STAILQ_ENTRY(common_symbol) link;
char* name;
@ -153,6 +155,12 @@ caddr_t linker_file_lookup_symbol(linker_file_t _file, const char* _name,
int linker_file_lookup_set(linker_file_t _file, const char *_name,
void *_start, void *_stop, int *_count);
/*
* List all functions in a file.
*/
int linker_file_function_listall(linker_file_t, int (*)(linker_file_t,
linker_symval_t *, void *), void *);
/*
* Functions soley for use by the linker class handlers.
*/