/* Internal definitions for libdwfl.
- Copyright (C) 2005-2010 Red Hat, Inc.
- This file is part of Red Hat elfutils.
+ Copyright (C) 2005-2014 Red Hat, Inc.
+ This file is part of elfutils.
- Red Hat elfutils is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by the
- Free Software Foundation; version 2 of the License.
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
- Red Hat elfutils is distributed in the hope that it will be useful, but
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with Red Hat elfutils; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
-
- In addition, as a special exception, Red Hat, Inc. gives You the
- additional right to link the code of Red Hat elfutils with code licensed
- under any Open Source Initiative certified open source license
- (http://www.opensource.org/licenses/index.php) which requires the
- distribution of source code with any binary distribution and to
- distribute linked combinations of the two. Non-GPL Code permitted under
- this exception must only link to the code of Red Hat elfutils through
- those well defined interfaces identified in the file named EXCEPTION
- found in the source code files (the "Approved Interfaces"). The files
- of Non-GPL Code may instantiate templates or use macros or inline
- functions from the Approved Interfaces without causing the resulting
- work to be covered by the GNU General Public License. Only Red Hat,
- Inc. may make changes or additions to the list of Approved Interfaces.
- Red Hat's grant of this exception is conditioned upon your not adding
- any new exceptions. If you wish to add a new Approved Interface or
- exception, please contact Red Hat. You must obey the GNU General Public
- License in all respects for all of the Red Hat elfutils code and other
- code used in conjunction with Red Hat elfutils except the Non-GPL Code
- covered by this exception. If you modify this file, you may extend this
- exception to your version of the file, but you are not obligated to do
- so. If you do not wish to provide this exception without modification,
- you must delete this exception statement from your version and license
- this file solely under the GPL without exception.
-
- Red Hat elfutils is an included package of the Open Invention Network.
- An included package of the Open Invention Network is a package for which
- Open Invention Network licensees cross-license their patents. No patent
- license is granted, either expressly or impliedly, by designation as an
- included package. Should you wish to participate in the Open Invention
- Network licensing program, please visit www.openinventionnetwork.com
- <http://www.openinventionnetwork.com>. */
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
#ifndef _LIBDWFLP_H
#define _LIBDWFLP_H 1
#include <libdwfl.h>
#include <libebl.h>
#include <assert.h>
+#include <dirent.h>
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "../libdw/libdwP.h" /* We need its INTDECLs. */
+#include "../libdwelf/libdwelfP.h"
+
+typedef struct Dwfl_Process Dwfl_Process;
/* gettext helper macros. */
#define _(Str) dgettext ("elfutils", Str)
DWFL_ERROR (ALREADY_ELF, N_("ELF file opened")) \
DWFL_ERROR (BADELF, N_("not a valid ELF file")) \
DWFL_ERROR (WEIRD_TYPE, N_("cannot handle DWARF type description")) \
- DWFL_ERROR (WRONG_ID_ELF, N_("ELF file does not match build ID"))
+ DWFL_ERROR (WRONG_ID_ELF, N_("ELF file does not match build ID")) \
+ DWFL_ERROR (BAD_PRELINK, N_("corrupt .gnu.prelink_undo section data")) \
+ DWFL_ERROR (LIBEBL_BAD, N_("Internal error due to ebl")) \
+ DWFL_ERROR (CORE_MISSING, N_("Missing data in core file")) \
+ DWFL_ERROR (INVALID_REGISTER, N_("Invalid register")) \
+ DWFL_ERROR (PROCESS_MEMORY_READ, N_("Error reading process memory")) \
+ DWFL_ERROR (PROCESS_NO_ARCH, N_("Couldn't find architecture of any ELF")) \
+ DWFL_ERROR (PARSE_PROC, N_("Error parsing /proc filesystem")) \
+ DWFL_ERROR (INVALID_DWARF, N_("Invalid DWARF")) \
+ DWFL_ERROR (UNSUPPORTED_DWARF, N_("Unsupported DWARF")) \
+ DWFL_ERROR (NEXT_THREAD_FAIL, N_("Unable to find more threads")) \
+ DWFL_ERROR (ATTACH_STATE_CONFLICT, N_("Dwfl already has attached state")) \
+ DWFL_ERROR (NO_ATTACH_STATE, N_("Dwfl has no attached state")) \
+ DWFL_ERROR (NO_UNWIND, N_("Unwinding not supported for this architecture")) \
+ DWFL_ERROR (INVALID_ARGUMENT, N_("Invalid argument")) \
+ DWFL_ERROR (NO_CORE_FILE, N_("Not an ET_CORE ELF file"))
#define DWFL_ERROR(name, text) DWFL_E_##name,
typedef enum { DWFL_ERRORS DWFL_E_NUM } Dwfl_Error;
Dwfl_Module *modulelist; /* List in order used by full traversals. */
+ Dwfl_Process *process;
+ Dwfl_Error attacherr; /* Previous error attaching process. */
+
GElf_Addr offline_next_address;
GElf_Addr segment_align; /* Smallest granularity of segments. */
GElf_Off lookup_tail_vaddr;
GElf_Off lookup_tail_offset;
int lookup_tail_ndx;
+
+ char *executable_for_core; /* --executable if --core was specified. */
};
#define OFFLINE_REDZONE 0x10000
bool relocated; /* Partial relocation of all sections done. */
Elf *elf;
- GElf_Addr bias; /* Actual load address - p_vaddr. */
+
+ /* This is the lowest p_vaddr in this ELF file, aligned to p_align.
+ For a file without phdrs, this is zero. */
+ GElf_Addr vaddr;
+
+ /* This is an address chosen for synchronization between the main file
+ and the debug file. See dwfl_module_getdwarf.c for how it's chosen. */
+ GElf_Addr address_sync;
};
struct Dwfl_Module
char *name; /* Iterator name for this module. */
GElf_Addr low_addr, high_addr;
- struct dwfl_file main, debug;
+ struct dwfl_file main, debug, aux_sym;
+ GElf_Addr main_bias;
Ebl *ebl;
GElf_Half e_type; /* GElf_Ehdr.e_type cache. */
Dwfl_Error elferr; /* Previous failure to open main file. */
struct dwfl_file *symfile; /* Either main or debug. */
Elf_Data *symdata; /* Data in the ELF symbol table section. */
+ Elf_Data *aux_symdata; /* Data in the auxiliary ELF symbol table. */
size_t syments; /* sh_size / sh_entsize of that section. */
+ size_t aux_syments; /* sh_size / sh_entsize of aux_sym section. */
+ int first_global; /* Index of first global symbol of table. */
+ int aux_first_global; /* Index of first global of aux_sym table. */
Elf_Data *symstrdata; /* Data for its string table. */
+ Elf_Data *aux_symstrdata; /* Data for aux_sym string table. */
Elf_Data *symxndxdata; /* Data in the extended section index table. */
+ Elf_Data *aux_symxndxdata; /* Data in the extended auxiliary table. */
Dwarf *dw; /* libdw handle for its debugging info. */
+ Dwarf *alt; /* Dwarf used for dwarf_setalt, or NULL. */
+ int alt_fd; /* descriptor, only valid when alt != NULL. */
+ Elf *alt_elf; /* Elf for alt Dwarf. */
Dwfl_Error symerr; /* Previous failure to load symbols. */
Dwfl_Error dwerr; /* Previous failure to load DWARF. */
bool gc; /* Mark/sweep flag. */
};
+/* This holds information common for all the threads/tasks/TIDs of one process
+ for backtraces. */
+
+struct Dwfl_Process
+{
+ struct Dwfl *dwfl;
+ pid_t pid;
+ const Dwfl_Thread_Callbacks *callbacks;
+ void *callbacks_arg;
+ struct ebl *ebl;
+ bool ebl_close:1;
+};
+
+/* See its typedef in libdwfl.h. */
+
+struct Dwfl_Thread
+{
+ Dwfl_Process *process;
+ pid_t tid;
+ /* The current frame being unwound. Initially it is the bottom frame.
+ Later the processed frames get freed and this pointer is updated. */
+ Dwfl_Frame *unwound;
+ void *callbacks_arg;
+};
+
+/* See its typedef in libdwfl.h. */
+struct Dwfl_Frame
+{
+ Dwfl_Thread *thread;
+ /* Previous (outer) frame. */
+ Dwfl_Frame *unwound;
+ bool signal_frame : 1;
+ bool initial_frame : 1;
+ enum
+ {
+ /* This structure is still being initialized or there was an error
+ initializing it. */
+ DWFL_FRAME_STATE_ERROR,
+ /* PC field is valid. */
+ DWFL_FRAME_STATE_PC_SET,
+ /* PC field is undefined, this means the next (inner) frame was the
+ outermost frame. */
+ DWFL_FRAME_STATE_PC_UNDEFINED
+ } pc_state;
+ /* Either initialized from appropriate REGS element or on some archs
+ initialized separately as the return address has no DWARF register. */
+ Dwarf_Addr pc;
+ /* (1 << X) bitmask where 0 <= X < ebl_frame_nregs. */
+ uint64_t regs_set[3];
+ /* REGS array size is ebl_frame_nregs.
+ REGS_SET tells which of the REGS are valid. */
+ Dwarf_Addr regs[];
+};
+
+/* Fetch value from Dwfl_Frame->regs indexed by DWARF REGNO.
+ No error code is set if the function returns FALSE. */
+bool __libdwfl_frame_reg_get (Dwfl_Frame *state, unsigned regno,
+ Dwarf_Addr *val)
+ internal_function;
+
+/* Store value to Dwfl_Frame->regs indexed by DWARF REGNO.
+ No error code is set if the function returns FALSE. */
+bool __libdwfl_frame_reg_set (Dwfl_Frame *state, unsigned regno,
+ Dwarf_Addr val)
+ internal_function;
/* Information cached about each CU in Dwfl_Module.dw. */
struct dwfl_cu
}
#define dwfl_linecu dwfl_linecu_inline
+static inline GElf_Addr
+dwfl_adjusted_address (Dwfl_Module *mod, GElf_Addr addr)
+{
+ return addr + mod->main_bias;
+}
+
+static inline GElf_Addr
+dwfl_deadjust_address (Dwfl_Module *mod, GElf_Addr addr)
+{
+ return addr - mod->main_bias;
+}
+
+static inline Dwarf_Addr
+dwfl_adjusted_dwarf_addr (Dwfl_Module *mod, Dwarf_Addr addr)
+{
+ return dwfl_adjusted_address (mod, (addr
+ - mod->debug.address_sync
+ + mod->main.address_sync));
+}
+
+static inline Dwarf_Addr
+dwfl_deadjust_dwarf_addr (Dwfl_Module *mod, Dwarf_Addr addr)
+{
+ return (dwfl_deadjust_address (mod, addr)
+ - mod->main.address_sync
+ + mod->debug.address_sync);
+}
+
+static inline Dwarf_Addr
+dwfl_adjusted_aux_sym_addr (Dwfl_Module *mod, Dwarf_Addr addr)
+{
+ return dwfl_adjusted_address (mod, (addr
+ - mod->aux_sym.address_sync
+ + mod->main.address_sync));
+}
+
+static inline Dwarf_Addr
+dwfl_deadjust_aux_sym_addr (Dwfl_Module *mod, Dwarf_Addr addr)
+{
+ return (dwfl_deadjust_address (mod, addr)
+ - mod->main.address_sync
+ + mod->aux_sym.address_sync);
+}
+
+static inline GElf_Addr
+dwfl_adjusted_st_value (Dwfl_Module *mod, Elf *symelf, GElf_Addr addr)
+{
+ if (symelf == mod->main.elf)
+ return dwfl_adjusted_address (mod, addr);
+ if (symelf == mod->debug.elf)
+ return dwfl_adjusted_dwarf_addr (mod, addr);
+ return dwfl_adjusted_aux_sym_addr (mod, addr);
+}
+
+static inline GElf_Addr
+dwfl_deadjust_st_value (Dwfl_Module *mod, Elf *symelf, GElf_Addr addr)
+{
+ if (symelf == mod->main.elf)
+ return dwfl_deadjust_address (mod, addr);
+ if (symelf == mod->debug.elf)
+ return dwfl_deadjust_dwarf_addr (mod, addr);
+ return dwfl_deadjust_aux_sym_addr (mod, addr);
+}
+
/* This describes a contiguous address range that lies in a single CU.
We condense runs of Dwarf_Arange entries for the same CU into this. */
struct dwfl_arange
};
+/* Structure used for keeping track of ptrace attaching a thread.
+ Shared by linux-pid-attach and linux-proc-maps. If it has been setup
+ then get the instance through __libdwfl_get_pid_arg. */
+struct __libdwfl_pid_arg
+{
+ DIR *dir;
+ /* It is 0 if not used. */
+ pid_t tid_attached;
+ /* Valid only if TID_ATTACHED is not zero. */
+ bool tid_was_stopped;
+ /* True if threads are ptrace stopped by caller. */
+ bool assume_ptrace_stopped;
+};
+
+/* If DWfl is not NULL and a Dwfl_Process has been setup that has
+ Dwfl_Thread_Callbacks set to pid_thread_callbacks, then return the
+ callbacks_arg, which will be a struct __libdwfl_pid_arg. Otherwise
+ returns NULL. */
+extern struct __libdwfl_pid_arg *__libdwfl_get_pid_arg (Dwfl *dwfl)
+ internal_function;
+
+/* Makes sure the given tid is attached. On success returns true and
+ sets tid_was_stopped. */
+extern bool __libdwfl_ptrace_attach (pid_t tid, bool *tid_was_stoppedp)
+ internal_function;
+
+/* Detaches a tid that was attached through
+ __libdwfl_ptrace_attach. Must be given the tid_was_stopped as set
+ by __libdwfl_ptrace_attach. */
+extern void __libdwfl_ptrace_detach (pid_t tid, bool tid_was_stopped)
+ internal_function;
+
+
+/* Internal wrapper for old dwfl_module_getsym and new dwfl_module_getsym_info.
+ adjust_st_value set to true returns adjusted SYM st_value, set to false
+ it will not adjust SYM at all, but does match against resolved *ADDR. */
+extern const char *__libdwfl_getsym (Dwfl_Module *mod, int ndx, GElf_Sym *sym,
+ GElf_Addr *addr, GElf_Word *shndxp,
+ Elf **elfp, Dwarf_Addr *biasp,
+ bool *resolved, bool adjust_st_value)
+ internal_function;
+
+/* Internal wrapper for old dwfl_module_addrsym and new dwfl_module_addrinfo.
+ adjust_st_value set to true returns adjusted SYM st_value, set to false
+ it will not adjust SYM at all, but does match against resolved values. */
+extern const char *__libdwfl_addrsym (Dwfl_Module *mod, GElf_Addr addr,
+ GElf_Off *off, GElf_Sym *sym,
+ GElf_Word *shndxp, Elf **elfp,
+ Dwarf_Addr *bias,
+ bool adjust_st_value) internal_function;
extern void __libdwfl_module_free (Dwfl_Module *mod) internal_function;
extern Dwfl_Error __libdwfl_relocate (Dwfl_Module *mod, Elf *file, bool debug)
internal_function;
+/* Find the section index in mod->main.elf that contains the given
+ *ADDR. Adjusts *ADDR to be section relative on success, returns
+ SHN_UNDEF on failure. */
+extern size_t __libdwfl_find_section_ndx (Dwfl_Module *mod, Dwarf_Addr *addr)
+ internal_function;
+
/* Process (simple) relocations in arbitrary section TSCN of an ET_REL file.
RELOCSCN is SHT_REL or SHT_RELA and TSCN is its sh_info target section. */
extern Dwfl_Error __libdwfl_relocate_section (Dwfl_Module *mod, Elf *relocated,
GElf_Addr *value)
internal_function;
-
/* Ensure that MOD->ebl is set up. */
extern Dwfl_Error __libdwfl_module_getebl (Dwfl_Module *mod) internal_function;
extern Dwfl_Error __libdwfl_cu_getsrclines (struct dwfl_cu *cu)
internal_function;
+/* Look in ELF for an NT_GNU_BUILD_ID note. Store it to BUILD_ID_BITS,
+ its vaddr in ELF to BUILD_ID_VADDR (it is unrelocated, even if MOD is not
+ NULL) and store length to BUILD_ID_LEN. Returns -1 for errors, 1 if it was
+ stored and 0 if no note is found. MOD may be NULL, MOD must be non-NULL
+ only if ELF is ET_REL. */
+extern int __libdwfl_find_elf_build_id (Dwfl_Module *mod, Elf *elf,
+ const void **build_id_bits,
+ GElf_Addr *build_id_elfaddr,
+ int *build_id_len)
+ internal_function;
+
/* Look in ELF for an NT_GNU_BUILD_ID note. If SET is true, store it
in MOD and return its length. If SET is false, instead compare it
to that stored in MOD and return 2 if they match, 1 if they do not.
internal_function;
/* Open a main or debuginfo file by its build ID, returns the fd. */
+extern int __libdwfl_open_mod_by_build_id (Dwfl_Module *mod, bool debug,
+ char **file_name) internal_function;
+
+/* Same, but takes an explicit build_id, can also be used for alt debug. */
extern int __libdwfl_open_by_build_id (Dwfl_Module *mod, bool debug,
- char **file_name) internal_function;
+ char **file_name, const size_t id_len,
+ const uint8_t *id) internal_function;
extern uint32_t __libdwfl_crc32 (uint32_t crc, unsigned char *buf, size_t len)
attribute_hidden;
extern int __libdwfl_crc32_file (int fd, uint32_t *resp) attribute_hidden;
+/* Given ELF and some parameters return TRUE if the *P return value parameters
+ have been successfully filled in. Any of the *P parameters can be NULL. */
+extern bool __libdwfl_elf_address_range (Elf *elf, GElf_Addr base,
+ bool add_p_vaddr, bool sanity,
+ GElf_Addr *vaddrp,
+ GElf_Addr *address_syncp,
+ GElf_Addr *startp, GElf_Addr *endp,
+ GElf_Addr *biasp, GElf_Half *e_typep)
+ internal_function;
+
/* Meat of dwfl_report_elf, given elf_begin just called.
Consumes ELF on success, not on failure. */
extern Dwfl_Module *__libdwfl_report_elf (Dwfl *dwfl, const char *name,
const char *file_name, int fd,
- Elf *elf, GElf_Addr base, bool sanity)
+ Elf *elf, GElf_Addr base,
+ bool add_p_vaddr, bool sanity)
internal_function;
/* Meat of dwfl_report_offline. */
const char *))
internal_function;
+/* Free PROCESS. Unlink and free also any structures it references. */
+extern void __libdwfl_process_free (Dwfl_Process *process)
+ internal_function;
+
+/* Update STATE->unwound for the unwound frame.
+ On error STATE->unwound == NULL
+ or STATE->unwound->pc_state == DWFL_FRAME_STATE_ERROR;
+ in such case dwfl_errno () is set.
+ If STATE->unwound->pc_state == DWFL_FRAME_STATE_PC_UNDEFINED
+ then STATE was the last valid frame. */
+extern void __libdwfl_frame_unwind (Dwfl_Frame *state)
+ internal_function;
+
+/* Align segment START downwards or END upwards addresses according to DWFL. */
+extern GElf_Addr __libdwfl_segment_start (Dwfl *dwfl, GElf_Addr start)
+ internal_function;
+extern GElf_Addr __libdwfl_segment_end (Dwfl *dwfl, GElf_Addr end)
+ internal_function;
+
/* Decompression wrappers: decompress whole file into memory. */
extern Dwfl_Error __libdw_gunzip (int fd, off64_t start_offset,
void *mapped, size_t mapped_size,
bool close_on_fail, bool archive_ok)
internal_function;
+/* Fetch PT_DYNAMIC P_VADDR from ELF and store it to *VADDRP. Return success.
+ *VADDRP is not modified if the function fails. */
+extern bool __libdwfl_dynamic_vaddr_get (Elf *elf, GElf_Addr *vaddrp)
+ internal_function;
+
/* These are working nicely for --core, but are not ready to be
exported interfaces quite yet. */
GElf_Off whole, GElf_Off contiguous,
void *arg, Elf **elfp);
+/* One shared library (or executable) info from DT_DEBUG link map. */
+struct r_debug_info_module
+{
+ struct r_debug_info_module *next;
+ /* FD is -1 iff ELF is NULL. */
+ int fd;
+ Elf *elf;
+ GElf_Addr l_ld;
+ /* START and END are both zero if not valid. */
+ GElf_Addr start, end;
+ bool disk_file_has_build_id;
+ char name[0];
+};
+
+/* Information gathered from DT_DEBUG by dwfl_link_map_report hinted to
+ dwfl_segment_report_module. */
+struct r_debug_info
+{
+ struct r_debug_info_module *module;
+};
+
/* ...
*/
extern int dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name,
Dwfl_Memory_Callback *memory_callback,
void *memory_callback_arg,
Dwfl_Module_Callback *read_eagerly,
- void *read_eagerly_arg);
+ void *read_eagerly_arg,
+ const struct r_debug_info *r_debug_info);
/* Report a module for entry in the dynamic linker's struct link_map list.
For each link_map entry, if an existing module resides at its address,
only find where to begin if the correct executable file was
previously reported and preloaded as with dwfl_report_elf.
+ Fill in R_DEBUG_INFO if it is not NULL. It should be cleared by the
+ caller, this function does not touch fields it does not need to modify.
+ If R_DEBUG_INFO is not NULL then no modules get added to DWFL, caller
+ has to add them from filled in R_DEBUG_INFO.
+
Returns the number of modules found, or -1 for errors. */
extern int dwfl_link_map_report (Dwfl *dwfl, const void *auxv, size_t auxv_size,
Dwfl_Memory_Callback *memory_callback,
- void *memory_callback_arg);
+ void *memory_callback_arg,
+ struct r_debug_info *r_debug_info);
/* Avoid PLT entries. */
INTDECL (dwfl_addrsegment)
INTDECL (dwfl_addrdwarf)
INTDECL (dwfl_addrdie)
+INTDECL (dwfl_core_file_attach)
INTDECL (dwfl_core_file_report)
INTDECL (dwfl_getmodules)
INTDECL (dwfl_module_addrdie)
INTDECL (dwfl_module_address_section)
+INTDECL (dwfl_module_addrinfo)
INTDECL (dwfl_module_addrsym)
INTDECL (dwfl_module_build_id)
INTDECL (dwfl_module_getdwarf)
INTDECL (dwfl_module_getelf)
INTDECL (dwfl_module_getsym)
+INTDECL (dwfl_module_getsym_info)
INTDECL (dwfl_module_getsymtab)
+INTDECL (dwfl_module_getsymtab_first_global)
INTDECL (dwfl_module_getsrc)
INTDECL (dwfl_module_report_build_id)
INTDECL (dwfl_report_elf)
INTDECL (dwfl_link_map_report)
INTDECL (dwfl_linux_kernel_find_elf)
INTDECL (dwfl_linux_kernel_module_section_address)
+INTDECL (dwfl_linux_proc_attach)
INTDECL (dwfl_linux_proc_report)
INTDECL (dwfl_linux_proc_maps_report)
INTDECL (dwfl_linux_proc_find_elf)
INTDECL (dwfl_module_relocate_address)
INTDECL (dwfl_module_dwarf_cfi)
INTDECL (dwfl_module_eh_cfi)
+INTDECL (dwfl_attach_state)
+INTDECL (dwfl_pid)
+INTDECL (dwfl_thread_dwfl)
+INTDECL (dwfl_thread_tid)
+INTDECL (dwfl_frame_thread)
+INTDECL (dwfl_thread_state_registers)
+INTDECL (dwfl_thread_state_register_pc)
+INTDECL (dwfl_getthread_frames)
+INTDECL (dwfl_getthreads)
+INTDECL (dwfl_thread_getframes)
+INTDECL (dwfl_frame_pc)
/* Leading arguments standard to callbacks passed a Dwfl_Module. */
#define MODCB_ARGS(mod) (mod), &(mod)->userdata, (mod)->name, (mod)->low_addr
projects / platform / upstream / elfutils.git / blobdiff