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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2018-07-18 06:58:39 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2018-07-18 06:58:39 +0000 |
| commit | 0559979c6428e3b0dd5f181634a3c6775b3babd6 (patch) | |
| tree | d107e6e1628b1c3efcebdb08c7ade3f7219f77e6 /gcc | |
| parent | 97f132350479327123dc157b66c8a2a2fddeacfd (diff) | |
| download | gcc-0559979c6428e3b0dd5f181634a3c6775b3babd6.zip gcc-0559979c6428e3b0dd5f181634a3c6775b3babd6.tar.gz gcc-0559979c6428e3b0dd5f181634a3c6775b3babd6.tar.bz2 | |
S/390: Add CFI for mcount call sequences
2018-07-18 Ilya Leoshkevich <iii@linux.ibm.com>
* config/s390/s390.c (s390_function_profiler): Generate CFI.
From-SVN: r262850
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 19 |
2 files changed, 22 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0249082..9ed75cd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2018-07-18 Ilya Leoshkevich <iii@linux.ibm.com> + + * config/s390/s390.c (s390_function_profiler): Generate CFI. + 2018-07-17 Jeff Law <law@redhat.com> * config/arm/arm.c (get_label_padding): Update for recent diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 60afe41..a579e9d 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -13154,7 +13154,7 @@ output_asm_nops (const char *user, int hw) void s390_function_profiler (FILE *file, int labelno) { - rtx op[7]; + rtx op[8]; char label[128]; ASM_GENERATE_INTERNAL_LABEL (label, "LP", labelno); @@ -13164,6 +13164,7 @@ s390_function_profiler (FILE *file, int labelno) op[0] = gen_rtx_REG (Pmode, RETURN_REGNUM); op[1] = gen_rtx_REG (Pmode, STACK_POINTER_REGNUM); op[1] = gen_rtx_MEM (Pmode, plus_constant (Pmode, op[1], UNITS_PER_LONG)); + op[7] = GEN_INT (UNITS_PER_LONG); op[2] = gen_rtx_REG (Pmode, 1); op[3] = gen_rtx_SYMBOL_REF (Pmode, label); @@ -13197,9 +13198,13 @@ s390_function_profiler (FILE *file, int labelno) else { output_asm_insn ("stg\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_rel_offset\t%0,%7", op); output_asm_insn ("larl\t%2,%3", op); output_asm_insn ("brasl\t%0,%4", op); output_asm_insn ("lg\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_restore\t%0", op); } } else if (TARGET_CPU_ZARCH) @@ -13210,9 +13215,13 @@ s390_function_profiler (FILE *file, int labelno) else { output_asm_insn ("st\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_rel_offset\t%0,%7", op); output_asm_insn ("larl\t%2,%3", op); output_asm_insn ("brasl\t%0,%4", op); output_asm_insn ("l\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_restore\t%0", op); } } else if (!flag_pic) @@ -13226,6 +13235,8 @@ s390_function_profiler (FILE *file, int labelno) else { output_asm_insn ("st\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_rel_offset\t%0,%7", op); output_asm_insn ("bras\t%2,%l6", op); output_asm_insn (".long\t%4", op); output_asm_insn (".long\t%3", op); @@ -13235,6 +13246,8 @@ s390_function_profiler (FILE *file, int labelno) output_asm_insn ("l\t%2,4(%2)", op); output_asm_insn ("basr\t%0,%0", op); output_asm_insn ("l\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_restore\t%0", op); } } else @@ -13249,6 +13262,8 @@ s390_function_profiler (FILE *file, int labelno) else { output_asm_insn ("st\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_rel_offset\t%0,%7", op); output_asm_insn ("bras\t%2,%l6", op); targetm.asm_out.internal_label (file, "L", CODE_LABEL_NUMBER (op[5])); @@ -13261,6 +13276,8 @@ s390_function_profiler (FILE *file, int labelno) output_asm_insn ("a\t%2,4(%2)", op); output_asm_insn ("basr\t%0,%0", op); output_asm_insn ("l\t%0,%1", op); + if (flag_dwarf2_cfi_asm) + output_asm_insn (".cfi_restore\t%0", op); } } |