build-sys: move coredump logic into subdir of its own

1 files changed, 0 insertions, 200 deletions

diff --git a/src/journal/stacktrace.c b/src/journal/stacktrace.c
deleted file mode 100644
index 68806992fc..0000000000
--- a/src/journal/stacktrace.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2014 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <dwarf.h>
-#include <elfutils/libdwfl.h>
-
-#include "alloc-util.h"
-#include "fd-util.h"
-#include "formats-util.h"
-#include "macro.h"
-#include "stacktrace.h"
-#include "string-util.h"
-#include "util.h"
-
-#define FRAMES_MAX 64
-#define THREADS_MAX 64
-
-struct stack_context {
-        FILE *f;
-        Dwfl *dwfl;
-        Elf *elf;
-        unsigned n_thread;
-        unsigned n_frame;
-};
-
-static int frame_callback(Dwfl_Frame *frame, void *userdata) {
-        struct stack_context *c = userdata;
-        Dwarf_Addr pc, pc_adjusted, bias = 0;
-        _cleanup_free_ Dwarf_Die *scopes = NULL;
-        const char *fname = NULL, *symbol = NULL;
-        Dwfl_Module *module;
-        bool is_activation;
-
-        assert(frame);
-        assert(c);
-
-        if (c->n_frame >= FRAMES_MAX)
-                return DWARF_CB_ABORT;
-
-        if (!dwfl_frame_pc(frame, &pc, &is_activation))
-                return DWARF_CB_ABORT;
-
-        pc_adjusted = pc - (is_activation ? 0 : 1);
-
-        module = dwfl_addrmodule(c->dwfl, pc_adjusted);
-        if (module) {
-                Dwarf_Die *s, *cudie;
-                int n;
-
-                cudie = dwfl_module_addrdie(module, pc_adjusted, &bias);
-                if (cudie) {
-                        n = dwarf_getscopes(cudie, pc_adjusted - bias, &scopes);
-                        for (s = scopes; s < scopes + n; s++) {
-                                if (IN_SET(dwarf_tag(s), DW_TAG_subprogram, DW_TAG_inlined_subroutine, DW_TAG_entry_point)) {
-                                        Dwarf_Attribute *a, space;
-
-                                        a = dwarf_attr_integrate(s, DW_AT_MIPS_linkage_name, &space);
-                                        if (!a)
-                                                a = dwarf_attr_integrate(s, DW_AT_linkage_name, &space);
-                                        if (a)
-                                                symbol = dwarf_formstring(a);
-                                        if (!symbol)
-                                                symbol = dwarf_diename(s);
-
-                                        if (symbol)
-                                                break;
-                                }
-                        }
-                }
-
-                if (!symbol)
-                        symbol = dwfl_module_addrname(module, pc_adjusted);
-
-                fname = dwfl_module_info(module, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
-        }
-
-        fprintf(c->f, "#%-2u 0x%016" PRIx64 " %s (%s)\n", c->n_frame, (uint64_t) pc, strna(symbol), strna(fname));
-        c->n_frame ++;
-
-        return DWARF_CB_OK;
-}
-
-static int thread_callback(Dwfl_Thread *thread, void *userdata) {
-        struct stack_context *c = userdata;
-        pid_t tid;
-
-        assert(thread);
-        assert(c);
-
-        if (c->n_thread >= THREADS_MAX)
-                return DWARF_CB_ABORT;
-
-        if (c->n_thread != 0)
-                fputc('\n', c->f);
-
-        c->n_frame = 0;
-
-        tid = dwfl_thread_tid(thread);
-        fprintf(c->f, "Stack trace of thread " PID_FMT ":\n", tid);
-
-        if (dwfl_thread_getframes(thread, frame_callback, c) < 0)
-                return DWARF_CB_ABORT;
-
-        c->n_thread ++;
-
-        return DWARF_CB_OK;
-}
-
-int coredump_make_stack_trace(int fd, const char *executable, char **ret) {
-
-        static const Dwfl_Callbacks callbacks = {
-                .find_elf = dwfl_build_id_find_elf,
-                .find_debuginfo = dwfl_standard_find_debuginfo,
-        };
-
-        struct stack_context c = {};
-        char *buf = NULL;
-        size_t sz = 0;
-        int r;
-
-        assert(fd >= 0);
-        assert(ret);
-
-        if (lseek(fd, 0, SEEK_SET) == (off_t) -1)
-                return -errno;
-
-        c.f = open_memstream(&buf, &sz);
-        if (!c.f)
-                return -ENOMEM;
-
-        elf_version(EV_CURRENT);
-
-        c.elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
-        if (!c.elf) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        c.dwfl = dwfl_begin(&callbacks);
-        if (!c.dwfl) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        if (dwfl_core_file_report(c.dwfl, c.elf, executable) < 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        if (dwfl_report_end(c.dwfl, NULL, NULL) != 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        if (dwfl_core_file_attach(c.dwfl, c.elf) < 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        if (dwfl_getthreads(c.dwfl, thread_callback, &c) < 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        c.f = safe_fclose(c.f);
-
-        *ret = buf;
-        buf = NULL;
-
-        r = 0;
-
-finish:
-        if (c.dwfl)
-                dwfl_end(c.dwfl);
-
-        if (c.elf)
-                elf_end(c.elf);
-
-        safe_fclose(c.f);
-
-        free(buf);
-
-        return r;
-}