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e695879142
These warnings are all off by default, but if they do fire you get spurious ERRORs when running make check-libctf. libctf/ChangeLog 2021-09-27 Nick Alcock <nick.alcock@oracle.com> * testsuite/libctf-lookup/enum-symbol.c: Remove unused label. * testsuite/libctf-lookup/conflicting-type-syms.c: Remove unused variables. * testsuite/libctf-regression/pptrtab.c: Likewise. * testsuite/libctf-regression/type-add-unnamed-struct.c: Likewise. * testsuite/libctf-writable/pptrtab.c: Likewise. * testsuite/libctf-writable/reserialize-strtab-corruption.c: Likewise. * testsuite/libctf-regression/nonstatic-var-section-ld-r.c: Fix format string. * testsuite/libctf-regression/nonstatic-var-section-ld.c: Likewise. * testsuite/libctf-regression/nonstatic-var-section-ld.lk: Adjust. * testsuite/libctf-writable/symtypetab-nonlinker-writeout.c: Fix initializer.
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
#include <ctf-api.h>
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#include <stdio.h>
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#include <stdlib.h>
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int
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main (int argc, char *argv[])
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{
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ctf_dict_t *pfp;
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ctf_dict_t *cfp;
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ctf_id_t base, base2, ptr, type, last_type;
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ctf_encoding_t encoding = { CTF_INT_SIGNED, 0, sizeof (int) };
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ctf_encoding_t encoding2 = { CTF_INT_SIGNED, 0, sizeof (long) };
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char *type_name;
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int err;
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if ((pfp = ctf_create (&err)) == NULL)
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goto create_err;
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if ((cfp = ctf_create (&err)) == NULL)
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goto create_err;
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if (ctf_import (cfp, pfp) < 0)
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goto create_child;
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/* First, try an int in the parent with a pointer in the child. Also make
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another pair of types we will chain to later: these end up before the
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pptrtab lazy-update watermark. */
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if ((base = ctf_add_integer (pfp, CTF_ADD_ROOT, "int", &encoding)) == CTF_ERR)
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goto create_parent;
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if ((base2 = ctf_add_integer (pfp, CTF_ADD_ROOT, "long int", &encoding2)) == CTF_ERR)
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goto create_parent;
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if ((ptr = ctf_add_pointer (cfp, CTF_ADD_ROOT, base)) == CTF_ERR)
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goto create_child;
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if ((type = ctf_lookup_by_name (cfp, "int *") ) == CTF_ERR)
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goto err;
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type_name = ctf_type_aname (cfp, type);
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printf ("First lookup: %s in the child points to a type of kind %i\n",
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type_name, ctf_type_kind (cfp, ctf_type_reference (cfp, type)));
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free (type_name);
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if (ctf_type_reference (cfp, type) != base)
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printf ("First lookup ref diff: %lx versus %lx\n", base,
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ctf_type_reference (cfp, type));
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last_type = type;
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/* Add another pointer to the same type in the parent and try a lookup. */
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if ((ptr = ctf_add_pointer (pfp, CTF_ADD_ROOT, base2)) == CTF_ERR)
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goto create_parent;
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if ((type = ctf_lookup_by_name (cfp, "long int *") ) == CTF_ERR)
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goto err;
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type_name = ctf_type_aname (cfp, type);
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printf ("Second lookup: %s in the child points to a type of kind %i\n",
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type_name, ctf_type_kind (cfp, ctf_type_reference (cfp, type)));
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free (type_name);
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if (ctf_type_reference (cfp, type) != base2)
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printf ("Second lookup ref diff: %lx versus %lx\n", base2,
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ctf_type_reference (cfp, type));
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if (last_type == type)
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printf ("Second lookup should not return the same type as the first: %lx\n", type);
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last_type = type;
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/* Add another pointer to the same type in the child and try a lookup. */
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if ((ptr = ctf_add_pointer (cfp, CTF_ADD_ROOT, base2)) == CTF_ERR)
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goto create_child;
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if ((type = ctf_lookup_by_name (cfp, "long int *") ) == CTF_ERR)
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goto err;
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type_name = ctf_type_aname (cfp, type);
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printf ("Third lookup: %s in the child points to a type of kind %i\n",
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type_name, ctf_type_kind (cfp, ctf_type_reference (cfp, type)));
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free (type_name);
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if (ctf_type_reference (cfp, type) != base2)
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printf ("Third lookup ref diff: %lx versus %lx\n", base2,
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ctf_type_reference (cfp, type));
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if (last_type == type)
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printf ("Third lookup should not return the same type as the second: %lx\n", type);
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ctf_file_close (cfp);
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ctf_file_close (pfp);
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return 0;
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create_err:
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fprintf (stderr, "Creation failed: %s\n", ctf_errmsg (err));
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return 1;
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create_parent:
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fprintf (stderr, "Cannot create type: %s\n", ctf_errmsg (ctf_errno (pfp)));
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return 1;
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create_child:
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fprintf (stderr, "Cannot create type: %s\n", ctf_errmsg (ctf_errno (cfp)));
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return 1;
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err:
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fprintf (stderr, "Lookup failed: %s\n", ctf_errmsg (ctf_errno (cfp)));
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return 1;
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}
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