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authorIndu Bhagat <indu.bhagat@oracle.com>2022-12-16 22:02:02 -0800
committerIndu Bhagat <indu.bhagat@oracle.com>2022-12-16 22:02:02 -0800
commit49948bce0e9e310ea1506e84755a1cf9fdba8840 (patch)
tree633da2ce1b89d5639656649260e8b67cf111d288 /libsframe
parent9c4b163cb546f0627a4d3106d2750db37d6aed50 (diff)
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objdump/readelf: sframe: emit marker for FREs with mangled RA
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.
Diffstat (limited to 'libsframe')
-rw-r--r--libsframe/sframe-dump.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/libsframe/sframe-dump.c b/libsframe/sframe-dump.c
index 5b063c9..5f778be 100644
--- a/libsframe/sframe-dump.c
+++ b/libsframe/sframe-dump.c
@@ -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);
}
}