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authorTimm Bäder <tbaeder@redhat.com>2020-11-23 13:27:10 +0100
committerMark Wielaard <mark@klomp.org>2020-11-25 16:36:54 +0100
commit8331eaeb4ce4707154f8d2e1743a562d0d9bd945 (patch)
tree80421a5d88e94c96055dd9835a6c94c410130fbe /libdwfl
parentb47b7aa0a731e4f50eb92adead67fd8d737d65ba (diff)
downloadelfutils-8331eaeb4ce4707154f8d2e1743a562d0d9bd945.tar.gz
segment_report_module: Unify d32/d64 loops
Just like we did before, use only one loop here and check for 32/64 bit in the loop body. This way we only have one call site for consider_dyn Signed-off-by: Timm Bäder <tbaeder@redhat.com>
Diffstat (limited to 'libdwfl')
-rw-r--r--libdwfl/ChangeLog5
-rw-r--r--libdwfl/dwfl_segment_report_module.c30
2 files changed, 21 insertions, 14 deletions
diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog
index dd0d2817..0c66bed3 100644
--- a/libdwfl/ChangeLog
+++ b/libdwfl/ChangeLog
@@ -1,5 +1,10 @@
2020-11-23 Timm Bäder <tbaeder@redhat.com>
+ * segment_report_module.c (dwfl_segment_report_module): Do one
+ loop check for d32/d64 arrays.
+
+2020-11-23 Timm Bäder <tbaeder@redhat.com>
+
* segment_report_module.c (dwfl_segment_report_module): Remove
read_phdr, do check and call memory_callback directly.
diff --git a/libdwfl/dwfl_segment_report_module.c b/libdwfl/dwfl_segment_report_module.c
index 0729a8f8..2fb62bd9 100644
--- a/libdwfl/dwfl_segment_report_module.c
+++ b/libdwfl/dwfl_segment_report_module.c
@@ -792,20 +792,22 @@ dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name,
xlateto.d_buf = dyns;
xlateto.d_size = dyn_filesz;
- if (ei_class == ELFCLASS32)
- {
- if (elf32_xlatetom (&xlateto, &xlatefrom, ei_data) != NULL)
- for (size_t i = 0; i < dyn_filesz / sizeof (Elf32_Dyn); ++i)
- if (consider_dyn (d32[i].d_tag, d32[i].d_un.d_val))
- break;
- }
- else
- {
- if (elf64_xlatetom (&xlateto, &xlatefrom, ei_data) != NULL)
- for (size_t i = 0; i < dyn_filesz / sizeof (Elf64_Dyn); ++i)
- if (consider_dyn (d64[i].d_tag, d64[i].d_un.d_val))
- break;
- }
+ bool is32 = (ei_class == ELFCLASS32);
+ if ((is32 && elf32_xlatetom (&xlateto, &xlatefrom, ei_data) != NULL)
+ || (!is32 && elf64_xlatetom (&xlateto, &xlatefrom, ei_data) != NULL))
+ {
+ size_t n = (is32
+ ? (dyn_filesz / sizeof (Elf32_Dyn))
+ : (dyn_filesz / sizeof (Elf64_Dyn)));
+ for (size_t i = 0; i < n; ++i)
+ {
+ GElf_Sxword tag = is32 ? d32[i].d_tag : d64[i].d_tag;
+ GElf_Xword val = is32 ? d32[i].d_un.d_val : d64[i].d_un.d_val;
+
+ if (consider_dyn (tag, val))
+ break;
+ }
+ }
free (dyns);
}
finish_portion (&dyn_data, &dyn_data_size);