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readelf: add Go Build ID ELF note support

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Reviewed by:	markj
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D33379
This commit is contained in:
Ed Maste 2021-12-10 15:11:45 -05:00
parent edadbb4606
commit ca457394fc
1 changed files with 23 additions and 1 deletions
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24
contrib/elftoolchain/readelf/readelf.c
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@ -373,8 +373,9 @@ static const char *note_type(const char *note_name, unsigned int et,
unsigned int nt);
static const char *note_type_freebsd(unsigned int nt);
static const char *note_type_freebsd_core(unsigned int nt);
static const char *note_type_linux_core(unsigned int nt);
static const char *note_type_go(unsigned int nt);
static const char *note_type_gnu(unsigned int nt);
static const char *note_type_linux_core(unsigned int nt);
static const char *note_type_netbsd(unsigned int nt);
static const char *note_type_openbsd(unsigned int nt);
static const char *note_type_unknown(unsigned int nt);
@ -1151,6 +1152,8 @@ note_type(const char *name, unsigned int et, unsigned int nt)
return note_type_freebsd(nt);
else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
return note_type_gnu(nt);
else if (strcmp(name, "Go") == 0 && et != ET_CORE)
return note_type_go(nt);
else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
return note_type_netbsd(nt);
else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
@ -1243,6 +1246,15 @@ note_type_gnu(unsigned int nt)
}
}
static const char *
note_type_go(unsigned int nt)
{
switch (nt) {
case 4: return "elfGoBuildIDTag";
default: return (note_type_unknown(nt));
}
}
static const char *
note_type_netbsd(unsigned int nt)
{
@ -3814,6 +3826,16 @@ dump_notes_data(struct readelf *re, const char *name, uint32_t type,
dump_flags(note_feature_ctl_flags, ubuf[0]);
return;
}
} else if (strcmp(name, "Go") == 0) {
if (type == 4) {
printf(" Build ID: ");
for (i = 0; i < sz; i++) {
printf(isprint(buf[i]) ? "%c" : "<%02x>",
buf[i]);
}
printf("\n");
return;
}
} else if (strcmp(name, "GNU") == 0) {
switch (type) {
case NT_GNU_PROPERTY_TYPE_0: