diff options
Diffstat (limited to 'scripts/recordmcount.c')
-rw-r--r-- | scripts/recordmcount.c | 17 |
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; |