summaryrefslogtreecommitdiff
path: root/scripts/recordmcount.c
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/recordmcount.c')
-rw-r--r--scripts/recordmcount.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 5423a58d1b06..9972141f11aa 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -53,6 +53,10 @@
#define R_AARCH64_ABS64 257
#endif
+#define R_ARM_PC24 1
+#define R_ARM_THM_CALL 10
+#define R_ARM_CALL 28
+
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
static char gpfx; /* prefix for global symbol name (sometimes '_') */
@@ -374,6 +378,18 @@ is_mcounted_section_name(char const *const txtname)
#define RECORD_MCOUNT_64
#include "recordmcount.h"
+static int arm_is_fake_mcount(Elf32_Rel const *rp)
+{
+ switch (ELF32_R_TYPE(w(rp->r_info))) {
+ case R_ARM_THM_CALL:
+ case R_ARM_CALL:
+ case R_ARM_PC24:
+ return 0;
+ }
+
+ return 1;
+}
+
/* 64-bit EM_MIPS has weird ELF64_Rela.r_info.
* http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf
* We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40]
@@ -463,6 +479,7 @@ do_file(char const *const fname)
break;
case EM_ARM: reltype = R_ARM_ABS32;
altmcount = "__gnu_mcount_nc";
+ is_fake_mcount32 = arm_is_fake_mcount;
break;
case EM_AARCH64:
reltype = R_AARCH64_ABS64;