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trace: Use text_base from the trace header

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Use the information in the trace header instead of reading it from the
trace records. Add debugging to check that System.map and the trace header
agree on this value.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-01-15 14:15:55 -07:00 committed by Tom Rini
parent b15a16adf5
commit 88716b5503
1 changed files with 6 additions and 1 deletions
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7
tools/proftool.c
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@ -179,6 +179,7 @@ struct trace_call *call_list; /* list of all calls in the input trace file */
int call_count; /* number of calls */
int verbose; /* Verbosity level 0=none, 1=warn, 2=notice, 3=info, 4=debug */
ulong text_offset; /* text address of first function */
ulong text_base; /* CONFIG_TEXT_BASE from trace file */
/* debugging helpers */
static void outf(int level, const char *fmt, ...)
@ -289,7 +290,8 @@ static int read_system_map(FILE *fin)
if (func_count > 1)
func[-1].code_size = func->offset - func[-1].offset;
}
notice("%d functions found in map file\n", func_count);
notice("%d functions found in map file, start addr %lx\n", func_count,
start);
text_offset = start;
return 0;
@ -415,6 +417,7 @@ static int read_trace(FILE *fin)
break; /* EOF */
else if (err)
return 1;
text_base = hdr.text_base;
switch (hdr.type) {
case TRACE_CHUNK_FUNCS:
@ -1342,6 +1345,8 @@ static int write_flyrecord(struct twriter *tw, int *missing_countp,
tw->ptr += tputq(fout, len);
tw->ptr += tputs(fout, str);
debug("trace text base %lx, map file %lx\n", text_base, text_offset);
ret = write_pages(tw, missing_countp, skip_countp);
if (ret < 0) {
fprintf(stderr, "Cannot output pages\n");