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objdump/readelf: sframe: emit marker for FREs with mangled RA

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In the textual dump of the SFrame section, when an SFrame FRE recovers a
mangled RA, use string "[s]" in the output to indicate that the return
address is a signed (mangled) one.

ChangeLog:

        * libsframe/sframe-dump.c (dump_sframe_func_with_fres): Postfix
	with "[s]" if RA is signed with authorization code.
This commit is contained in:
Indu Bhagat 2022-12-16 22:02:02 -08:00
parent 9c4b163cb5
commit 49948bce0e
1 changed files with 9 additions and 2 deletions
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11
libsframe/sframe-dump.c
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@ -116,7 +116,7 @@ dump_sframe_func_with_fres (sframe_decoder_ctx *sfd_ctx,
char temp[100];
memset (temp, 0, 100);
printf ("\n %-7s%-8s %-10s%-10s%-10s", "STARTPC", fde_type_marker, "CFA", "FP", "RA");
printf ("\n %-7s%-8s %-10s%-10s%-13s", "STARTPC", fde_type_marker, "CFA", "FP", "RA");
for (j = 0; j < num_fres; j++)
{
sframe_decoder_get_fre (sfd_ctx, funcidx, j, &fre);
@ -152,7 +152,14 @@ dump_sframe_func_with_fres (sframe_decoder_ctx *sfd_ctx,
sprintf (temp, "c%+d", ra_offset);
else
strcpy (temp, "u");
printf ("%-10s", temp);
/* Mark SFrame FRE's RA information with "[s]" if the RA is mangled
with signature bits. */
const char *ra_mangled_p_str
= ((sframe_fre_get_ra_mangled_p (sfd_ctx, &fre, &err[2]))
? "[s]" : " ");
size_t ra_mangled_p_str_size = strlen (ra_mangled_p_str);
strncat (temp, ra_mangled_p_str, ra_mangled_p_str_size);
printf ("%-13s", temp);
}
}