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(parse_cie): Clarify the comment about the default FDE-encoding a bit.

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(Logical change 1.253)
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homeip.net!davidm 2004-08-20 11:23:15 +00:00
parent 18acb92530
commit 9ac7a860d1
1 changed files with 5 additions and 3 deletions
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8
src/dwarf/Gfde.c
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@ -47,9 +47,11 @@ parse_cie (unw_addr_space_t as, unw_accessors_t *a, unw_word_t *addr,
# define STR2(x) #x # define STR2(x) #x
# define STR(x) STR2(x) # define STR(x) STR2(x)
/* Pick appropriate default for FDE-encoding. DWARF spec says it /* Pick appropriate default for FDE-encoding. DWARF spec says
has to be the size of the addressing unit of the architecture, start-IP (initial_location) and the code-size (address_range) are
unless specfied otherwise in the augmentation string. */ "address-unit sized constants". The `R' augmentation can be used
to override this, but by default, we pick an address-sized unit
for fde_encoding. */
switch (sizeof (unw_word_t)) switch (sizeof (unw_word_t))
{ {
case 4: fde_encoding = DW_EH_PE_udata4; break; case 4: fde_encoding = DW_EH_PE_udata4; break;