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Merge remote-tracking branch 'remotes/bonzini/configure' into staging

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* remotes/bonzini/configure:
  build: softmmu targets do not have a "main.o" file
  configure: Disable libtool if -fPIE does not work with it (bug #1257099)
  block: convert block drivers linked with libs to modules
  Makefile: introduce common-obj-m and block-obj-m for DSO
  Makefile: install modules with "make install"
  module: implement module loading
  rules.mak: introduce DSO rules
  darwin: do not use -mdynamic-no-pic
  block: use per-object cflags and libs
  rules.mak: allow per object cflags and libs
  rules.mak: fix $(obj) to a real relative path
  util: Split out exec_dir from os_find_datadir

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-02-24 15:37:59 +00:00
commit 6dedf0522c
21 changed files with 541 additions and 127 deletions
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23
include/qemu/module.h
View file

@ -14,11 +14,31 @@
#ifndef QEMU_MODULE_H
#define QEMU_MODULE_H
#include "qemu/osdep.h"
#define DSO_STAMP_FUN glue(qemu_stamp, CONFIG_STAMP)
#define DSO_STAMP_FUN_STR stringify(DSO_STAMP_FUN)
#ifdef BUILD_DSO
void DSO_STAMP_FUN(void);
/* This is a dummy symbol to identify a loaded DSO as a QEMU module, so we can
* distinguish "version mismatch" from "not a QEMU module", when the stamp
* check fails during module loading */
void qemu_module_dummy(void);
#define module_init(function, type) \
static void __attribute__((constructor)) do_qemu_init_ ## function(void) \
{ \
register_dso_module_init(function, type); \
}
#else
/* This should not be used directly. Use block_init etc. instead. */
#define module_init(function, type) \
static void __attribute__((constructor)) do_qemu_init_ ## function(void) { \
static void __attribute__((constructor)) do_qemu_init_ ## function(void) \
{ \
register_module_init(function, type); \
}
#endif
typedef enum {
MODULE_INIT_BLOCK,
@ -34,6 +54,7 @@ typedef enum {
#define type_init(function) module_init(function, MODULE_INIT_QOM)
void register_module_init(void (*fn)(void), module_init_type type);
void register_dso_module_init(void (*fn)(void), module_init_type type);
void module_call_init(module_init_type type);

9
include/qemu/osdep.h
View file

@ -215,6 +215,15 @@ bool fips_get_state(void);
*/
char *qemu_get_local_state_pathname(const char *relative_pathname);
/* Find program directory, and save it for later usage with
* qemu_get_exec_dir().
* Try OS specific API first, if not working, parse from argv0. */
void qemu_init_exec_dir(const char *argv0);
/* Get the saved exec dir.
* Caller needs to release the returned string by g_free() */
char *qemu_get_exec_dir(void);
/**
* qemu_getauxval:
* @type: the auxiliary vector key to lookup