diff options
Diffstat (limited to 'scripts/recordmcount.c')
| -rw-r--r-- | scripts/recordmcount.c | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index 7225107a9aaf..3e4f54799cc0 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -38,10 +38,20 @@ #define R_AARCH64_ABS64 257 #endif +#ifndef EM_LOONGARCH +#define EM_LOONGARCH 258 +#define R_LARCH_32 1 +#define R_LARCH_64 2 +#define R_LARCH_MARK_LA 20 +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 +#endif + #define R_ARM_PC24 1 #define R_ARM_THM_CALL 10 #define R_ARM_CALL 28 +#define R_AARCH64_CALL26 283 + 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 '_') */ @@ -100,6 +110,7 @@ static ssize_t uwrite(void const *const buf, size_t const count) { size_t cnt = count; off_t idx = 0; + void *p = NULL; file_updated = 1; @@ -107,7 +118,10 @@ static ssize_t uwrite(void const *const buf, size_t const count) off_t aoffset = (file_ptr + count) - file_end; if (aoffset > file_append_size) { - file_append = realloc(file_append, aoffset); + p = realloc(file_append, aoffset); + if (!p) + free(file_append); + file_append = p; file_append_size = aoffset; } if (!file_append) { @@ -434,6 +448,33 @@ static int arm_is_fake_mcount(Elf32_Rel const *rp) return 1; } +static int arm64_is_fake_mcount(Elf64_Rel const *rp) +{ + return ELF64_R_TYPE(w8(rp->r_info)) != R_AARCH64_CALL26; +} + +static int LARCH32_is_fake_mcount(Elf32_Rel const *rp) +{ + switch (ELF64_R_TYPE(w(rp->r_info))) { + case R_LARCH_MARK_LA: + case R_LARCH_SOP_PUSH_PLT_PCREL: + return 0; + } + + return 1; +} + +static int LARCH64_is_fake_mcount(Elf64_Rel const *rp) +{ + switch (ELF64_R_TYPE(w(rp->r_info))) { + case R_LARCH_MARK_LA: + case R_LARCH_SOP_PUSH_PLT_PCREL: + 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] @@ -547,9 +588,10 @@ static int do_file(char const *const fname) make_nop = make_nop_arm64; rel_type_nop = R_AARCH64_NONE; ideal_nop = ideal_nop4_arm64; + is_fake_mcount64 = arm64_is_fake_mcount; break; - case EM_IA_64: reltype = R_IA64_IMM64; break; case EM_MIPS: /* reltype: e_class */ break; + case EM_LOONGARCH: /* reltype: e_class */ break; case EM_PPC: reltype = R_PPC_ADDR32; break; case EM_PPC64: reltype = R_PPC64_ADDR64; break; case EM_S390: /* reltype: e_class */ break; @@ -581,6 +623,10 @@ static int do_file(char const *const fname) reltype = R_MIPS_32; is_fake_mcount32 = MIPS32_is_fake_mcount; } + if (w2(ehdr->e_machine) == EM_LOONGARCH) { + reltype = R_LARCH_32; + is_fake_mcount32 = LARCH32_is_fake_mcount; + } if (do32(ehdr, fname, reltype) < 0) goto out; break; @@ -602,6 +648,10 @@ static int do_file(char const *const fname) Elf64_r_info = MIPS64_r_info; is_fake_mcount64 = MIPS64_is_fake_mcount; } + if (w2(ghdr->e_machine) == EM_LOONGARCH) { + reltype = R_LARCH_64; + is_fake_mcount64 = LARCH64_is_fake_mcount; + } if (do64(ghdr, fname, reltype) < 0) goto out; break; |