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Diffstat (limited to 'libctf/ctf-create.c')
-rw-r--r--libctf/ctf-create.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/libctf/ctf-create.c b/libctf/ctf-create.c
index 5409ca4..227f62d 100644
--- a/libctf/ctf-create.c
+++ b/libctf/ctf-create.c
@@ -23,6 +23,10 @@
#include <string.h>
#include <zlib.h>
+#ifndef roundup
+#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+#endif
+
/* To create an empty CTF container, we just declare a zeroed header and call
ctf_bufopen() on it. If ctf_bufopen succeeds, we mark the new container r/w
and initialize the dynamic members. We set dtvstrlen to 1 to reserve the
@@ -67,12 +71,9 @@ ctf_create (int *errp)
}
cts.cts_name = _CTF_SECTION;
- cts.cts_type = SHT_PROGBITS;
- cts.cts_flags = 0;
cts.cts_data = &hdr;
cts.cts_size = sizeof (hdr);
cts.cts_entsize = 1;
- cts.cts_offset = 0;
if ((fp = ctf_bufopen (&cts, NULL, NULL, errp)) == NULL)
goto err_dtbyname;
@@ -812,7 +813,7 @@ ctf_add_reftype (ctf_file_t *fp, uint32_t flag, ctf_id_t ref, uint32_t kind)
ctf_id_t type;
ctf_file_t *tmp = fp;
- if (ref == CTF_ERR || ref < 0 || ref > CTF_MAX_TYPE)
+ if (ref == CTF_ERR || ref > CTF_MAX_TYPE)
return (ctf_set_errno (fp, EINVAL));
if (ctf_lookup_by_id (&tmp, ref) == NULL)
@@ -843,7 +844,7 @@ ctf_add_slice (ctf_file_t *fp, uint32_t flag, ctf_id_t ref,
if ((ep->cte_bits > 255) || (ep->cte_offset > 255))
return (ctf_set_errno (fp, ECTF_SLICEOVERFLOW));
- if (ref == CTF_ERR || ref < 0 || ref > CTF_MAX_TYPE)
+ if (ref == CTF_ERR || ref > CTF_MAX_TYPE)
return (ctf_set_errno (fp, EINVAL));
if ((tp = ctf_lookup_by_id (&tmp, ref)) == NULL)
@@ -1175,7 +1176,7 @@ ctf_add_typedef (ctf_file_t *fp, uint32_t flag, const char *name,
ctf_id_t type;
ctf_file_t *tmp = fp;
- if (ref == CTF_ERR || ref < 0 || ref > CTF_MAX_TYPE)
+ if (ref == CTF_ERR || ref > CTF_MAX_TYPE)
return (ctf_set_errno (fp, EINVAL));
if (ctf_lookup_by_id (&tmp, ref) == NULL)
@@ -1304,9 +1305,9 @@ ctf_add_member_offset (ctf_file_t *fp, ctf_id_t souid, const char *name,
}
}
- if ((msize = ctf_type_size (fp, type)) == CTF_ERR ||
- (malign = ctf_type_align (fp, type)) == CTF_ERR)
- return CTF_ERR; /* errno is set for us. */
+ if ((msize = ctf_type_size (fp, type)) < 0 ||
+ (malign = ctf_type_align (fp, type)) < 0)
+ return -1; /* errno is set for us. */
if ((dmd = ctf_alloc (sizeof (ctf_dmdef_t))) == NULL)
return (ctf_set_errno (fp, EAGAIN));
@@ -1334,9 +1335,9 @@ ctf_add_member_offset (ctf_file_t *fp, ctf_id_t souid, const char *name,
ctf_encoding_t linfo;
ssize_t lsize;
- if (ctf_type_encoding (fp, ltype, &linfo) != CTF_ERR)
+ if (ctf_type_encoding (fp, ltype, &linfo) == 0)
off += linfo.cte_bits;
- else if ((lsize = ctf_type_size (fp, ltype)) != CTF_ERR)
+ else if ((lsize = ctf_type_size (fp, ltype)) > 0)
off += lsize * NBBY;
/* Round up the offset of the end of the last member to
@@ -1359,7 +1360,7 @@ ctf_add_member_offset (ctf_file_t *fp, ctf_id_t souid, const char *name,
dmd->dmd_offset = bit_offset;
ssize = ctf_get_ctt_size (fp, &dtd->dtd_data, NULL, NULL);
- ssize = MAX (ssize, (bit_offset / NBBY) + msize);
+ ssize = MAX (ssize, ((signed) bit_offset / NBBY) + msize);
}
}
else
@@ -1369,7 +1370,7 @@ ctf_add_member_offset (ctf_file_t *fp, ctf_id_t souid, const char *name,
ssize = MAX (ssize, msize);
}
- if (ssize > CTF_MAX_SIZE)
+ if ((size_t) ssize > CTF_MAX_SIZE)
{
dtd->dtd_data.ctt_size = CTF_LSIZE_SENT;
dtd->dtd_data.ctt_lsizehi = CTF_SIZE_TO_LSIZE_HI (ssize);
@@ -1401,7 +1402,7 @@ ctf_add_member_encoded (ctf_file_t *fp, ctf_id_t souid, const char *name,
return (ctf_set_errno (fp, ECTF_NOTINTFP));
if ((type = ctf_add_slice (fp, CTF_ADD_NONROOT, otype, &encoding)) == CTF_ERR)
- return CTF_ERR; /* errno is set for us. */
+ return -1; /* errno is set for us. */
return ctf_add_member_offset (fp, souid, name, type, bit_offset);
}
@@ -1426,7 +1427,7 @@ ctf_add_variable (ctf_file_t *fp, const char *name, ctf_id_t ref)
return (ctf_set_errno (fp, ECTF_DUPLICATE));
if (ctf_lookup_by_id (&tmp, ref) == NULL)
- return CTF_ERR; /* errno is set for us. */
+ return -1; /* errno is set for us. */
if ((dvd = ctf_alloc (sizeof (ctf_dvdef_t))) == NULL)
return (ctf_set_errno (fp, EAGAIN));
@@ -1452,7 +1453,7 @@ enumcmp (const char *name, int value, void *arg)
ctf_bundle_t *ctb = arg;
int bvalue;
- if (ctf_enum_value (ctb->ctb_file, ctb->ctb_type, name, &bvalue) == CTF_ERR)
+ if (ctf_enum_value (ctb->ctb_file, ctb->ctb_type, name, &bvalue) < 0)
{
ctf_dprintf ("Conflict due to member %s iteration error.\n", name);
return 1;
@@ -1472,7 +1473,7 @@ enumadd (const char *name, int value, void *arg)
ctf_bundle_t *ctb = arg;
return (ctf_add_enumerator (ctb->ctb_file, ctb->ctb_type,
- name, value) == CTF_ERR);
+ name, value) < 0);
}
static int
@@ -1482,7 +1483,7 @@ membcmp (const char *name, ctf_id_t type _libctf_unused_, unsigned long offset,
ctf_bundle_t *ctb = arg;
ctf_membinfo_t ctm;
- if (ctf_member_info (ctb->ctb_file, ctb->ctb_type, name, &ctm) == CTF_ERR)
+ if (ctf_member_info (ctb->ctb_file, ctb->ctb_type, name, &ctm) < 0)
{
ctf_dprintf ("Conflict due to member %s iteration error.\n", name);
return 1;
@@ -1550,7 +1551,6 @@ ctf_add_type (ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
ctf_dtdef_t *dtd;
ctf_funcinfo_t ctc;
- ssize_t size;
ctf_hash_t *hp;
@@ -1756,7 +1756,7 @@ ctf_add_type (ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
break;
case CTF_K_ARRAY:
- if (ctf_array_info (src_fp, src_type, &src_ar) == CTF_ERR)
+ if (ctf_array_info (src_fp, src_type, &src_ar) != 0)
return (ctf_set_errno (dst_fp, ctf_errno (src_fp)));
src_ar.ctr_contents =
@@ -1803,6 +1803,8 @@ ctf_add_type (ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
{
ctf_dmdef_t *dmd;
int errs = 0;
+ size_t size;
+ ssize_t ssize;
/* Technically to match a struct or union we need to check both
ways (src members vs. dst, dst members vs. src) but we make
@@ -1818,7 +1820,7 @@ ctf_add_type (ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
ctf_type_size (dst_fp, dst_type))
{
ctf_dprintf ("Conflict for type %s against ID %lx: "
- "union size differs, old %li, new %li\n",
+ "union size differs, old %zi, new %zi\n",
name, dst_type, ctf_type_size (src_fp, src_type),
ctf_type_size (dst_fp, dst_type));
return (ctf_set_errno (dst_fp, ECTF_CONFLICT));
@@ -1848,7 +1850,11 @@ ctf_add_type (ctf_file_t *dst_fp, ctf_file_t *src_fp, ctf_id_t src_type)
if (ctf_member_iter (src_fp, src_type, membadd, &dst) != 0)
errs++; /* Increment errs and fail at bottom of case. */
- if ((size = ctf_type_size (src_fp, src_type)) > CTF_MAX_SIZE)
+ if ((ssize = ctf_type_size (src_fp, src_type)) < 0)
+ return CTF_ERR; /* errno is set for us. */
+
+ size = (size_t) ssize;
+ if (size > CTF_MAX_SIZE)
{
dtd->dtd_data.ctt_size = CTF_LSIZE_SENT;
dtd->dtd_data.ctt_lsizehi = CTF_SIZE_TO_LSIZE_HI (size);
generated by cgit v1.1 at 2024-08-08 19:20:41 +0000