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https://github.com/tobast/libunwind-eh_elf.git
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Create setup_fde, and put all the one-time parts of fde processing there.
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parent
50a457abb0
commit
7a962b951b
1 changed files with 21 additions and 16 deletions
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@ -502,23 +502,33 @@ put_unwind_info (struct dwarf_cursor *c, unw_proc_info_t *pi)
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}
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static inline int
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parse_fde (struct dwarf_cursor *c, unw_word_t ip, dwarf_state_record_t *sr)
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setup_fde (struct dwarf_cursor *c, dwarf_state_record_t *sr)
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{
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struct dwarf_cie_info *dci;
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unw_word_t addr;
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int ret;
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int i, ret;
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dci = c->pi.unwind_info;
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assert (c->pi_valid);
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memset (sr, 0, sizeof (*sr));
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for (i = 0; i < DWARF_NUM_PRESERVED_REGS + 2; ++i)
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set_reg (sr, i, DWARF_WHERE_SAME, 0);
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struct dwarf_cie_info *dci = c->pi.unwind_info;
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c->ret_addr_column = dci->ret_addr_column;
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addr = dci->cie_instr_start;
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unw_word_t addr = dci->cie_instr_start;
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if ((ret = run_cfi_program (c, sr, ~(unw_word_t) 0, &addr,
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dci->cie_instr_end, dci)) < 0)
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return ret;
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memcpy (&sr->rs_initial, &sr->rs_current, sizeof (sr->rs_initial));
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return 0;
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}
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addr = dci->fde_instr_start;
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static inline int
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parse_fde (struct dwarf_cursor *c, unw_word_t ip, dwarf_state_record_t *sr)
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{
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int ret;
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struct dwarf_cie_info *dci = c->pi.unwind_info;
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unw_word_t addr = dci->fde_instr_start;
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if ((ret = run_cfi_program (c, sr, ip, &addr, dci->fde_instr_end, dci)) < 0)
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return ret;
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@ -701,18 +711,13 @@ static int
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create_state_record_for (struct dwarf_cursor *c, dwarf_state_record_t *sr,
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unw_word_t ip)
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{
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int i, ret;
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assert (c->pi_valid);
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memset (sr, 0, sizeof (*sr));
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for (i = 0; i < DWARF_NUM_PRESERVED_REGS + 2; ++i)
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set_reg (sr, i, DWARF_WHERE_SAME, 0);
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int ret;
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switch (c->pi.format)
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{
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case UNW_INFO_FORMAT_TABLE:
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case UNW_INFO_FORMAT_REMOTE_TABLE:
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if ((ret = setup_fde(c, sr)) < 0)
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return ret;
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ret = parse_fde (c, ip, sr);
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break;
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